A strong battery jump start box supplies enough 12-volt starting power for your engine, offers safe connections, and is easy to keep ready in your vehicle. The NOCO Boost GB70 leads this group with 2000 peak amps, support for engines up to 8.0L gas and 6.0L diesel, and spark-proof and reverse-polarity protection. Other options span compact lithium packs, higher stated peak-current ratings, traditional heavy-duty units, and models that add an air compressor or diagnostic scanner.
Compare each unit against your engine type and size rather than choosing by peak amps alone. The listed products vary substantially in weight, engine compatibility, included features, and stated starts per charge, so the best match depends on whether you prioritize everyday portability, larger engines, or added emergency functions.
The NOCO Boost GB70 is the best overall battery jump start box in this group. It combines 2000 peak amps with support for engines up to 8.0L gas and 6.0L diesel, and its safety system includes spark-proof and reverse-polarity protection. Its stated capacity of up to 40 starts per charge and built-in power bank add useful emergency functions.
Choose a higher-peak-current alternative if your engine needs it, but check that product’s stated engine compatibility before buying.
Our Top Picks
Best OverallIts 2000 peak amps support engines up to 8.0L gas and 6.0L diesel, with spark-proof and reverse-polarity protection and up to 40 starts per charge.
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Broad Engine SupportThe 4000-amp unit lists support for gasoline and diesel engines up to 10.0L, plus a boost function for extremely low battery voltage.
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Highest Peak CurrentIts stated 6000A peak current and support for all gas engines and 12L diesel engines target larger vehicles; it claims up to 60 starts per charge.
View on Amazon- Lightest Pack S ZEVZO ET03
- Heavy-Duty Cables Clore Automotive JNC660
Compare the jump starters by fit and features
| # | Product | Dimensions | Weight | Voltage | Buy |
|---|---|---|---|---|---|
| 1 | 1. NOCO Boost GB70Best Overall | 7.4"D x 3.7"W x 12.6"H | 5 lb | 12 V | View on Amazon |
| 2 | 2. GOOLOO GP4000Broad Engine Support | 3.92"D x 8.97"W x 1.49"H | 3.9 lb | 12 V | View on Amazon |
| 3 | 3. OXILAM Y2Highest Peak Current | 8.7"D x 4.7"W x 3.5"H | — | 12 V | View on Amazon |
| 4 | 4. S ZEVZO ET03Lightest Pack | 1.5"D x 3.4"W x 7.5"H | 1.4 lb | 12 V | View on Amazon |
| 5 | 5. NOCO Boost GB40Compact everyday vehicle backup | 4.61"D x 8.19"W x 4.21"H | 2.4 lb | 12 V | View on Amazon |
| 6 | 6. WOLFBOX MegaVolt24High-output 12V jump pack | 1.5"D x 3.86"W x 9.33"H | 3 lb | 12 V | View on Amazon |
| 7 | 7. Clore Automotive JNC660Heavy-Duty Cables | 5.1"D x 14.1"W x 16.3"H | 18 lb | 12 V | View on Amazon |
| 8 | 8. GOOLOO A3Jump-starting with tire inflation | 4.96"D x 5.87"W x 2.3"H | — | 12 V | View on Amazon |
| 9 | 9. Clore Automotive ES5000Truck-focused automatic charging | 18.3"D x 11.4"W x 4.4"H | 18 lb | 12 V | View on Amazon |
| 10 | 10. TREKURE TK40Jump starting with diagnostics | 7.78"L x 3.96"W x 1.34"H | 2 lb | — | View on Amazon |
Detailed Reviews: Best Battery Jump Start Box

#1 · Best Overall
1. NOCO Boost GB70
- Dimensions: 7.4"D x 3.7"W x 12.6"H
- Weight: 5 lb
- Voltage: 12 V
Best for: Larger-engine vehicle coverage.
Why it ranks #1: Its 2000 peak amps support engines up to 8.0L gas and 6.0L diesel, with spark-proof and reverse-polarity protection and up to 40 starts per charge.
With 2,000 peak amps and support for engines up to 8.0L gas and 6.0L diesel, the NOCO Boost GB70 suits drivers who need more engine headroom than the GB40 listing provides. It delivers up to 40 starts per charge and weighs five pounds.
Its spark-proof and reverse-polarity protection help make the connection process more controlled when a battery is dead. Compatibility includes 12V cars, trucks, RVs, motorcycles, and watercraft, while the integrated power bank can provide emergency power to phones and tablets. The stated six-hour recharge time is worth factoring into between-trip maintenance. At five pounds, the GB70 remains portable, though it is heavier than smaller jump packs; the included storage bag helps keep the unit and its accessories together.
- 2,000 peak amps
- Up to 40 starts per charge
- Supports up to 8.0L gas and 6.0L diesel
- Integrated power bank and connection protections
- The listed recharge time is six hours.
Skip it if you want a smaller, lighter pack for engines up to 6.0L gas and 3.0L diesel; the NOCO GB40 weighs 2.4 pounds.
The GB70 fits drivers of larger 12V vehicles who value repeated starts and a phone-power backup in one unit. Its five-pound weight and six-hour recharge time are practical considerations for storage and upkeep.
Full product details
| Brand | NOCO |
|---|---|
| Battery Capacity | 5000 milliamp_hours |
| Compatible with Vehicle Type | ATV, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van, Watercraft |
| Included Components | 1-Year Limited Warranty, GB70 Portable Car Battery Jump Starter Pack, Heavy-Duty Booster Clamps, Microfiber Storage Bag, USB-C Charging Cable, User Guide for Jump Starter, XGC Cable, XGC Male and Female Connectors |
| Dimensions | 7.4"D x 3.7"W x 12.6"H |
| Item Weight | 5 pounds |
| Manufacturer | NOCO |
| Part Number | GB70 |
| Manufacturer Warranty Description | 1-Year Limited Warranty |
| Model Number | GB70 |
| Voltage | 12 volts |
Listed on Amazon as: NOCO Boost GB70 2000A UltraSafe Jump Starter, 12V Lithium Battery Booster
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#2 · Broad Engine Support
2. GOOLOO GP4000
- Dimensions: 3.92"D x 8.97"W x 1.49"H
- Weight: 3.9 lb
- Voltage: 12 V
Best for: Higher-output BOOST jump pack.
Why it ranks #2: The 4000-amp unit lists support for gasoline and diesel engines up to 10.0L, plus a boost function for extremely low battery voltage.
The GOOLOO GP4000 delivers 4,000 amps and lists support for diesel engines up to 10.0L, giving owners a higher-output option for a broad range of 12V vehicles. Its BOOST button can force a restart when battery voltage is extremely low.
The BOOST control addresses low-voltage situations, while the listed engine range covers all gasoline engines and diesel engines up to 10.0L. Vehicle compatibility includes cars, trucks, motorcycles, RVs, ATVs, snowmobiles, and lawn mowers. Its 3.9-pound weight and included EVA storage case make it a portable kit, and the cigarette-lighter socket adapter adds another way to use the unit. The supplied details do not specify a jump-start count per charge, so frequent-use planning cannot rely on a stated figure.
- 4,000A output
- BOOST button for extremely low battery voltage
- Supports diesel engines up to 10.0L
- Includes EVA case and cigarette-lighter socket adapter
- The supplied product details do not state starts per charge.
Skip it if you want a stated repeat-start figure before buying; the NOCO GB70 lists up to 40 starts per charge.
The GP4000 fits drivers seeking a 4,000A pack with BOOST capability and broad listed 12V vehicle compatibility. Its case and adapter add practical kit options, but no starts-per-charge figure is provided.
Full product details
| Brand | GOOLOO |
|---|---|
| Battery Capacity | 24000 milliamp_hours |
| Compatible with Vehicle Type | ATV, Lawn Mower, Motorcycle, Passenger Car, RV, Snowmobile, Truck, UTV |
| Included Components | GOOLOO Heavy-Duty Car Jump Starter GP4000, Intelligent Jumper Cable, USB to Type-C Cable,Cigarette Lighter Socket Adapter, EVA Storage Case |
| Dimensions | 3.92"D x 8.97"W x 1.49"H |
| Item Weight | 3.9 pounds |
| Manufacturer | GOOLOO |
| Part Number | GP4000 |
| Manufacturer Warranty Description | 18-Month warranty |
| Model Number | GP4000 |
| Voltage | 12 volts |
Listed on Amazon as: GOOLOO GP4000 Jump Starter – 4000A 12V Car Battery Jumper Starter Portable
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#3 · Highest Peak Current
3. OXILAM Y2
- Dimensions: 8.7"D x 4.7"W x 3.5"H
- Voltage: 12 V
Best for: High-capacity diesel coverage.
Why it ranks #3: Its stated 6000A peak current and support for all gas engines and 12L diesel engines target larger vehicles; it claims up to 60 starts per charge.
OXILAM’s Y2 lists 6,000 peak amps and support for 12L diesel engines, giving owners of larger-engine vehicles a broad stated jump-start range. The manufacturer also claims up to 60 starts per full charge, a useful reserve for repeated roadside or fleet-related needs.
The 2024-upgraded jumper cables are listed for 12V vehicles across cars, pickups, RVs, tractors, trucks, motorcycles, and more, making the stated fit broad for mixed vehicle ownership. Its LED display provides a visible readout, while the LED light can assist during a nighttime roadside stop. USB and Type-C ports add a power-bank role for compatible devices. At 8.7 by 4.7 by 3.5 inches, it needs more storage room than a slim pocket-size pack.
- 6,000A peak current
- Rated for all gas engines and up to 12L diesel
- Up to 60 jump starts per full charge
- LED display, light, and USB/Type-C ports
- Its 8.7-inch length takes more storage space than slimmer jump packs.
Skip it if you need a compact pack under three inches long; the GOOLOO A3 measures 5.87 by 4.96 by 2.3 inches.
The Y2 fits drivers who want high stated output, broad 12V vehicle coverage, and device-charging ports in one emergency pack. Consider its listed dimensions when deciding where it will live in your vehicle.
Full product details
| Brand | OXILAM |
|---|---|
| Battery Capacity | 6000 amp_hours |
| Compatible with Vehicle Type | All of the above |
| Dimensions | 8.7"D x 4.7"W x 3.5"H |
| Manufacturer | DONGGUAN CARPOWER NEW ENERGY CO.,LTD |
| Part Number | OXILAM-DY-Y2-CA |
| Manufacturer Warranty Description | 48 months warranty |
| Model Number | Y2 |
| Voltage | 12 volts |
Listed on Amazon as: OXILAM Jump Starter 6000A for All Gas/12L Diesel, Car Battery Jumper Starter Portable, 12V Lithium Jump Box with Jumper Cables, LED Display, LED Light, Power Bank with USB, Type C Port
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#4 · Lightest Pack
4. S ZEVZO ET03
- Dimensions: 1.5"D x 3.4"W x 7.5"H
- Weight: 1.4 lb
- Voltage: 12 V
Best for: Portable force-start backup.
Why it ranks #4: At 1.4 pounds, it is the lightest listed unit with a stated engine range, supporting up to 8.0L gas and 7.0L diesel and up to 50 starts per charge.
The S ZEVZO ET03 weighs 1.4 pounds yet lists 4,000 peak amps and a force-start function for 0V dead batteries. That combination gives drivers of compatible 12V vehicles a lightweight pack with a specific option for extremely low battery voltage.
The ET03 is rated for engines up to 8.0L gas and 7.0L diesel, with up to 50 starts on one charge, supporting repeat use before recharging. Its 7.5-by-3.4-by-1.5-inch dimensions and included carrying case make storage and transport straightforward. An LCD display helps show information on the unit, and the LED light adds a visibility aid during roadside work. Listed vehicle types include cars, trucks, motorcycles, tractors, and lawn mowers.
- 1.4-pound weight
- Force-start function for 0V batteries
- Up to 50 starts per charge
- LCD display, LED light, and carrying case
- Its stated engine ceiling is 8.0L gas and 7.0L diesel.
Skip it if you need stated coverage beyond 8.0L gas or 7.0L diesel; the OXILAM Y2 lists engines up to 12L diesel.
The ET03 is a good fit for drivers who want a light, stowable pack with force-start capability for a 12V vehicle. Check the listed engine limits against your vehicle before choosing it.
Full product details
| Brand | S ZEVZO |
|---|---|
| Battery Capacity | 20000 milliamp_hours |
| Compatible with Vehicle Type | Lawn Mower, Motorcycle, Passenger Car, Tractor, Truck, Van |
| Included Components | Portable Carrying Case*1, S ZEVZO Car Jump Starter*1, Smart Jumper Clamps*1, USB Charging Cable*1, User Manual*1 |
| Dimensions | 1.5"D x 3.4"W x 7.5"H |
| Item Weight | 1.4 pounds |
| Manufacturer | Dongguan Chuangyi New Energy Technology Co., Ltd |
| Part Number | ET03 |
| Manufacturer Warranty Description | 2 Year Manufacturer Warranty |
| Model Number | ET03 |
| Voltage | 12 volts |
Listed on Amazon as: S ZEVZO ET03 Car Jump Starter 4000A Jump Starter Battery Pack for Up to 8.0L Gas and 7.0L Diesel Engines, 74Wh Portable 12V Jump Box with USB Ports, LCD Display, Storage Case, and LED Light
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#5
5. NOCO Boost GB40
- Dimensions: 4.61"D x 8.19"W x 4.21"H
- Weight: 2.4 lb
- Voltage: 12 V
Best for: Compact everyday vehicle backup.
Why it ranks #5: This 2.4-pound lithium model provides 1000 peak amps, supports up to 6.0L gas and 3.0L diesel, and includes spark-proof and reverse-polarity protection.
The NOCO Boost GB40 pairs 1,000 peak amps with a 2.4-pound body, giving drivers of 12-volt vehicles a portable way to address a dead battery. Its stated capacity covers engines up to 6.0L gas and 3.0L diesel, with up to 20 starts per charge.
Spark-proof and reverse-polarity protection help guide safer connections when you need to jump-start a vehicle, while compatibility spans cars, motorcycles, trucks, RVs, and watercraft. The integrated power bank can supply emergency power to phones and tablets, so the pack has another roadside role between jump starts. It recharges in three hours, a useful detail for keeping it ready between outings. At 2.4 pounds, it is easier to stow than a full-size 18-pound booster.
- 1,000 peak amps for 12V vehicles
- Up to 20 starts per charge
- Spark-proof and reverse-polarity protection
- Integrated power bank for phones and tablets
- Rated for engines only up to 6.0L gas and 3.0L diesel.
Skip it if you need the listed 8.0L gas and 6.0L diesel coverage; the NOCO GB70 supports those larger engines.
For drivers who want a portable emergency pack for compatible cars, motorcycles, trucks, or watercraft, the GB40 also supplies small-device power. Check its stated engine limits first if you drive a larger-displacement vehicle.
Full product details
| Brand | NOCO |
|---|---|
| Battery Capacity | 2150 milliamp_hours |
| Compatible with Vehicle Type | ATV, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van, Watercraft |
| Included Components | 1-Year Limited Warranty, GB40 Portable Car Battery Jump Starter Pack, Heavy-Duty Booster Clamps, Microfiber Storage Bag, USB-C Charging Cable, User Guide for Jump Starter |
| Dimensions | 4.61"D x 8.19"W x 4.21"H |
| Item Weight | 2.4 pounds |
| Manufacturer | NOCO |
| Part Number | GB40 |
| Manufacturer Warranty Description | 1-Year Limited Warranty |
| Model Number | GB40 |
| Voltage | 12 volts |
Listed on Amazon as: NOCO Boost GB40 12V 1000A UltraSafe Portable Lithium Jump Starter
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#6
6. WOLFBOX MegaVolt24
- Dimensions: 1.5"D x 3.86"W x 9.33"H
- Weight: 3 lb
- Voltage: 12 V
Best for: High-output 12V jump pack.
Why it ranks #6: The listing states 4000A and an 88.8Wh battery in a 3-pound, 12-volt unit, though it gives limited details on engine compatibility and features.
The WOLFBOX MegaVolt24 lists 4,000 amps of peak output and an 88.8Wh battery, giving 12V passenger-car owners a high-output jump box in a three-pound form. Its title specifies support for engines up to 10L gas and 10L diesel.
The 1.5-by-3.86-by-9.33-inch profile provides a defined footprint for stowing the unit, while its three-pound weight is manageable to carry from storage to a passenger car. Its listed compatibility is limited to passenger cars, so it is a more focused choice than models whose specifications name trucks, motorcycles, or other vehicle types. The available information identifies the jump starter itself as an included component; it does not specify charging ports, safety functions, or recharge time.
- 4,000-amp peak output
- 88.8Wh battery capacity
- Listed for up to 10L gas and 10L diesel engines
- Three-pound weight
- Listed vehicle compatibility is limited to passenger cars.
Skip it if you need listed compatibility with trucks, motorcycles, or RVs; the NOCO GB70 names those vehicle types in its specifications.
The MegaVolt24 suits passenger-car owners seeking a high-output 12V jump starter with a stated 10L gas and diesel limit. Keep its passenger-car-only compatibility listing in mind if you maintain other vehicle types.
Full product details
| Brand | WOLFBOX |
|---|---|
| Battery Capacity | 6000 milliamp_hours |
| Compatible with Vehicle Type | Passenger Car |
| Included Components | MegaVolt24 Jump Starter |
| Dimensions | 1.5"D x 3.86"W x 9.33"H |
| Item Weight | 3 pounds |
| Manufacturer | WOLFBOX |
| Part Number | 6570140 |
| Manufacturer Warranty Description | 2 Year |
| Model Number | MegaVolt24 |
| Voltage | 12 volts |
Listed on Amazon as: WOLFBOX 4000A &88.8Wh Battery Jumper Starter Portable(10L/10L),with Booster
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#7 · Heavy-Duty Cables
7. Clore Automotive JNC660
- Dimensions: 5.1"D x 14.1"W x 16.3"H
- Weight: 18 lb
- Voltage: 12 V
Best for: Workshop-style cable reach.
Why it ranks #7: Its 1700 peak amps, 22Ah battery, and 46-inch heavy-duty cables suit buyers who prefer a substantial traditional jump starter over a compact lithium pack.
The Clore Automotive JNC660 combines 1,700 peak amps with 46-inch heavy-duty cables, giving drivers more reach between the booster and a vehicle’s starting point. Its 22Ah Clore Proformer battery and 12V output also make it a substantial option for garages and roadside work.
The long #2 AWG cables can help reach starting points across vehicles of different shapes, reducing the need to position the 18-pound unit immediately beside the connection. A built-in voltmeter shows the charge status of its onboard battery, so you can check readiness before storing it or heading out. The 12V DC outlet powers compatible accessories, extending its usefulness beyond jump-starting. Listed vehicle compatibility includes cars, trucks, buses, lawn mowers, RVs, and watercraft.
- 1,700 peak amps
- 46-inch heavy-duty #2 AWG cables
- Voltmeter displays onboard battery charge status
- 12V DC outlet for accessories
- At 18 pounds, it is substantially heavier than compact lithium jump packs.
Skip it if you prioritize a lightweight lithium pack for quick storage; the NOCO GB40 weighs 2.4 pounds and includes a power bank.
Choose the JNC660 if cable reach, a visible charge-status reading, and a 12V accessory outlet suit your garage or roadside routine. Its 18-pound weight makes it a less convenient fit for frequent carrying.
Full product details
| Brand | Clore Automotive |
|---|---|
| Battery Capacity | 22 |
| Compatible with Vehicle Type | ATV, Bus, Lawn Mower, Passenger Car, RV, Tractor, Truck, Van, Watercraft |
| Included Components | JNC660 12V Jump Starter |
| Dimensions | 5.1"D x 14.1"W x 16.3"H |
| Item Weight | 18 pounds |
| Manufacturer | Clore Automotive |
| Part Number | JNC660 |
| Manufacturer Warranty Description | 1 Year Warranty |
| Model Number | JNC660 |
| Voltage | 12 volts |
Listed on Amazon as: Clore Automotive Jump-N-Carry JNC660 1700 Peak Amp 12 Volt Jump Starter , Blue
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#8
8. GOOLOO A3
- Dimensions: 4.96"D x 5.87"W x 2.3"H
- Voltage: 12 V
Best for: Jump-starting with tire inflation.
Why it ranks #8: It combines a 3000-amp jump starter with an air compressor and supports engines up to 9.0L gas and 6.5L diesel.
The GOOLOO A3 pairs a 3,000A jump starter with an air compressor, giving drivers a single device for dead-battery recovery and tire inflation. Its listed engine coverage reaches 9.0L gas and 6.5L diesel, with a BOOST button for extremely low battery voltage.
The BOOST function provides a way to force a jump start when battery voltage is extremely low, while JUMPCORE technology is associated with more than 1,000 charge cycles in the supplied information. The pack supports 12V vehicles and lists cars, trucks, motorcycles, RVs, lawn mowers, and other types. Adding the air compressor can consolidate two roadside tools, though the supplied details do not provide inflation speed or compressor capacity. Its 4.96-by-5.87-by-2.3-inch body is compact for storage.
- 3,000A peak output
- Air compressor included
- BOOST function for extremely low battery voltage
- More than 1,000 charge cycles stated
- Listed engine limits are 9.0L gas and 6.5L diesel.
Skip it if you need stated capacity above 9.0L gas or 6.5L diesel; the GOOLOO GP4000 lists support up to 10.0L diesel.
The A3 suits drivers who want tire inflation and jump-starting together, especially for listed 12V vehicles within its engine limits. Check those limits and the unspecified compressor performance against your needs.
Full product details
| Brand | GOOLOO |
|---|---|
| Battery Capacity | 12000 milliamp_hours |
| Compatible with Vehicle Type | ATV, Lawn Mower, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van |
| Dimensions | 4.96"D x 5.87"W x 2.3"H |
| Manufacturer | Shenzhen Carku Technology Co., Limited |
| Part Number | JS-506 |
| Model Number | JS-506 |
| Voltage | 12 volts |
Listed on Amazon as: GOOLOO A3 12V 3000A Portable Jump Starter with Air Compressor
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#9
9. Clore Automotive ES5000
- Dimensions: 18.3"D x 11.4"W x 4.4"H
- Weight: 18 lb
- Voltage: 12 V
Best for: Truck-focused automatic charging.
Why it ranks #9: The 1500-peak-amp unit has 400 cranking amps, 43-inch cables, and an included automatic charger, but its listed vehicle compatibility is limited to trucks.
The Clore Automotive Booster PAC ES5000 combines 1,500 peak amps with automatic recharging, giving truck owners a jump starter that can stay on charge without overcharging, according to the supplied description. Its 43-inch industrial-grade cables and hot-jaw clamps complete a work-oriented setup.
The ES Series battery is specified for vehicle jump-starting applications, and the ES5000 lists 400 cranking amps alongside its 1,500 peak-amp rating. Automatic charging helps keep the unit in an always-ready state without the possibility of overcharging, reducing one aspect of readiness maintenance. The 43-inch #4-gauge cables provide reach to the connection point, while the 12V power output can supply compatible accessories. Its 18-pound weight and truck-focused compatibility are important storage and fit considerations.
- 1,500 peak amps and 400 cranking amps
- Automatic recharging
- 43-inch industrial-grade #4 cables
- 12V power output
- Listed vehicle compatibility is limited to trucks.
Skip it if you need a listed jump starter for cars, motorcycles, or watercraft; the Clore Automotive JNC660 names those vehicle types.
The ES5000 suits truck owners and professionals who value automatic charging, substantial cables, and a 12V output. Its 18-pound weight and truck-only compatibility listing make storage and vehicle fit worth considering.
Full product details
| Brand | Clore Automotive |
|---|---|
| Battery Capacity | 22 |
| Compatible with Vehicle Type | Truck |
| Included Components | Item |
| Dimensions | 18.3"D x 11.4"W x 4.4"H |
| Item Weight | 18 pounds |
| Manufacturer | Clore Automotive |
| Part Number | ES5000 |
| Manufacturer Warranty Description | 1 yr warranty on material and workmanship |
| Model Number | ES5000 |
| Voltage | 12 volts |
Listed on Amazon as: Clore Automotive Booster PAC ES5000 1500 Peak Amp 12V Jump Starter
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#10
10. TREKURE TK40
- Dimensions: 7.78"L x 3.96"W x 1.34"H
- Weight: 2 lb
Best for: Jump starting with diagnostics.
Why it ranks #10: This combo adds an OBD2 scanner and 6000A jump starter, but its supplied specifications omit engine capacity and voltage, making compatibility harder to assess.
The TREKURE TK40 combines a 6,000A jump starter with an OBD2 scanner, letting drivers carry starting power and a tool for reading and clearing engine trouble codes. Its 2.8-inch screen gives the diagnostic functions a dedicated display in a single device.
The scanner reads and clears engine trouble emission codes after the problem is fixed, which can help owners or mechanics check a vehicle without a separate OBD2 reader. A detachable, safety-insulated OBD2 cable and heavy-duty jumper cables serve distinct diagnostic and starting tasks. The product title lists support for all gas engines and up to 10L diesel; its specifications describe a two-pound, 7.78-by-3.96-by-1.34-inch unit. A storage hard bag keeps the included components together.
- 6,000A jump starter and OBD2 scanner in one device
- Reads and clears engine trouble emission codes
- 2.8-inch screen
- Includes detachable OBD2 cable and storage hard bag
- The supplied specifications do not state a jump-start count per charge.
Skip it if you need a listed jump-start count per charge; the S ZEVZO ET03 specifies up to 50 starts on a charge.
The TK40 suits drivers or mechanics who want code reading and jump-start capability in one carryable device. Choose it for the diagnostic workflow, while weighing the unspecified starts-per-charge figure.
Full product details
| Brand | TREKURE |
|---|---|
| Included Components | ♚ 2 Year Hassle-Free Warranty ♚ Lifetime Support Service, ♚6000A Jump Starter with OBD2 Scanner, ♚Detachable Safety-Insulated OBD2 Cable, ♚Heavy-Duty Jumper Cables & USB-C Charging Cable, ♚Instruction Manual & Storage Hard Bag |
| Dimensions | 7.78"L x 3.96"W x 1.34"H |
| Item Weight | 2 pounds |
| Manufacturer | TREKURE |
| Part Number | TK40 |
| Manufacturer Warranty Description | 2 Years |
| Model Number | TK40 |
| Screen Size | 2.8 inches |
Listed on Amazon as: Car Battery Jump Starter with OBD2 Scanner 6000A, Car Battery Jumper Starter Portable (All Gas/10L Diesel), 12V Jump Box Jumper Cables, Code Reader for Check Engine Light, Diagnostic Tool
View on AmazonWhy a jump starter can fail to start a vehicle
A jump starter may not start a vehicle if its charge is too low, its clamps are connected incorrectly, or the vehicle exceeds the device’s stated engine range. The NOCO Boost GB40 and NOCO Boost GB70 specifically list spark-proof and reverse-polarity protection, while the GOOLOO GP4000 and GOOLOO A3 describe a boost function for very low battery voltage. These features address particular connection or low-voltage situations; they do not establish that every dead battery or vehicle can be started.
Check the jump starter’s charge before an emergency, follow its instructions, and confirm your engine type and size are within its listed compatibility. For instance, the NOCO Boost GB70 lists up to 8.0L gas and 6.0L diesel, while the NOCO Boost GB40 lists up to 6.0L gas and 3.0L diesel.
If the battery or vehicle has another fault, a jump start may not resolve it.
Peak amps do not tell the whole compatibility story
A larger peak-amp figure does not, by itself, establish that a jump starter suits a particular engine. The product data pairs peak current with different engine limits: the NOCO Boost GB70 lists 2000 amps for up to 8.0L gas and 6.0L diesel, while the GOOLOO GP4000 lists 4000 amps and engines up to 10.0L. The OXILAM Y2 claims 6000A and support for 12L diesel, but those claims are not a substitute for checking your vehicle’s requirements and the maker’s instructions.
Some listings provide less information: the WOLFBOX MegaVolt24 states 4000A but gives no engine-size limit in the supplied specifications. Treat missing compatibility details as a reason to verify before purchase, not as proof of broader fit.
Also distinguish battery capacity from peak amps: the GB70 lists 5000 milliamp-hours, while the JNC660 lists a 22Ah battery, and those figures describe different specifications.
How to Choose a Battery Jump Start Box
Engine size and fuel type
Look first for a listed engine limit that covers your vehicle’s fuel type and displacement. The NOCO Boost GB40 lists up to 6.0L gas and 3.0L diesel; the NOCO Boost GB70 covers up to 8.0L gas and 6.0L diesel. The S ZEVZO ET03 lists up to 8.0L gas and 7.0L diesel, while the GOOLOO GP4000 lists engines up to 10.0L.
The OXILAM Y2 claims support for all gas engines and 12L diesel engines. These are manufacturer-listed limits, not independent test results.
A buyer with a smaller passenger car can choose among several listed options; owners of larger diesel engines should focus on models that explicitly cover their engine size.
Peak amps and starts per charge
Compare peak current alongside any stated starts per charge, rather than treating either number as a complete measure of performance. The NOCO Boost GB40 lists 1000 peak amps and up to 20 starts per charge; the NOCO Boost GB70 lists 2000 amps and up to The S ZEVZO ET03 lists 4000 amps and up to 50 starts, while the OXILAM Y2 states 6000A and up to 60 starts.
These claims come from product listings and should not be taken as a direct, standardized comparison. A buyer seeking a compact option for occasional use may prefer a lower-output model if it covers the engine.
Buyers considering larger engines or repeated starts should select a model whose stated limits and per-charge claim fit their needs.
Size, weight, and added functions
Choose between a compact portable pack and a larger unit based on where you will store it and what else you want it to do. The S ZEVZO ET03 weighs 1.4 pounds, the NOCO Boost GB40 weighs 2.4 pounds, and the NOCO Boost GB70 weighs 5 pounds. The Clore Automotive JNC660 weighs 18 pounds and includes 46-inch cables, making it a substantially different form factor.
For extra roadside functions, the GOOLOO A3 combines a jump starter with an air compressor, while the TREKURE TK40 adds an OBD2 scanner. Choose the lighter lithium packs for easier vehicle storage; consider the added-function models if those features matter, while checking their jump-start compatibility separately.
Which Battery Jump Start Box Should You Choose?
For the strongest all-around mix of stated engine coverage, safety features, and starts per charge, choose the NOCO Boost GB70. If your vehicle is a larger gas or diesel engine and you want a higher listed peak-current figure, compare the GOOLOO GP4000 and OXILAM Y2 against your exact engine requirements. For a lighter pack with a clearly stated engine range, the S ZEVZO ET03 weighs 1.4 pounds and lists up to 50 starts per charge.
Choose the NOCO Boost GB40 for smaller engines and a compact 1000-amp option with spark-proof and reverse-polarity protection. The GOOLOO A3 suits buyers who also want an air compressor, while the Clore Automotive JNC660 is the heavy traditional choice.
Avoid choosing the TREKURE TK40 on jump-start specifications alone: its supplied data does not state engine capacity or voltage.
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Frequently Asked Questions
How do you connect a jump starter safely to a car battery?
Park the vehicle, switch it off, and follow the jump starter’s manual. Attach the positive clamp to the battery’s positive terminal and the negative clamp to the specified grounding point or terminal. Keep clamps from touching, then start the vehicle as directed.
Disconnect in the manual’s order once the engine is running.
What should you do if a jump starter fails to start the vehicle?
Stop and check the connections, clamp placement, and the unit’s charge level before trying again. Confirm that the jump starter is compatible with the vehicle and follow its manual for retry timing. If the vehicle still will not start, avoid repeated attempts and seek help; the battery or another vehicle system may need attention.
How often should you recharge a portable jump starter?
Check the charge regularly and recharge it according to the manufacturer’s instructions, especially after using it. Storage can reduce readiness, so inspect the charge before a trip or when preparing an emergency kit. Follow the manual for storage and charging intervals rather than assuming a single schedule applies to every jump starter.
How should you match a jump starter to your engine?
Check the product’s stated engine compatibility against your vehicle’s engine type and size before buying. Peak-amp figures alone do not establish compatibility. The GB70 lists support for engines up to 8.0L gas and 6.0L diesel; compare any alternative’s stated limits with your exact requirements, and avoid relying on unstated capacity.
When is a jump starter with an air compressor useful?
An integrated compressor may suit drivers who want tire inflation capability alongside emergency starting. The GOOLOO A3 title identifies an air compressor, while the other listed products vary in their named features. Check the product details and instructions to confirm what functions are included and whether they fit your needs.
Final Words
For the strongest stated mix of engine coverage, safety features, and starts per charge, choose the NOCO Boost GB70. If your engine requires a higher listed peak-current figure, compare the GOOLOO GP4000 and OXILAM Y2 against their stated compatibility. Consider the lighter S ZEVZO ET03 for its listed engine range, the GOOLOO A3 if you want an air compressor, or the JNC660 as a heavy traditional option.
Verify compatibility before deciding.


