Best Device To Jump Start Car: 10 Portable Jump Starters Compared

#1 · Best Overall

1. S ZEVZO ET03

• Dimensions: 1.5"D x 3.4"W x 7.5"H
• Battery Capacity: 20000 milliamp hours
• Voltage: 12 V

Best for: Broad 12V vehicle coverage.

Why it ranks #1: Its 4000A peak current supports up to 8.0L gas and 7.0L diesel engines, with up to 50 starts per charge and a stated force-start function.

A 4,000A peak output and support for engines up to 8.0L gas or 7.0L diesel give the S ZEVZO ET03 a wide starting range. Its force-start function is also listed for 0V dead batteries, making it a roadside option when a battery is fully drained.

The ET03 supports up to 50 starts per charge, so it can serve as a reusable emergency pack rather than a one-start tool. Its 12V compatibility covers passenger cars, trucks, motorcycles, boats, and lawnmowers, broadening its use beyond a single vehicle. An LCD display helps you check the unit, while USB ports add device charging. At 1.4 pounds and supplied with a storage case, it can be kept together for roadside use.

Skip it if you need to start a gas engine above 8.0L; the OXILAM Y2 lists support for all gas engines.

The ET03 suits drivers who want a portable 12V starter for varied vehicles, plus USB charging and an LCD display. Its listed engine ceiling makes it a less suitable match for larger gas or diesel engines.

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

#2 · 12L Diesel Support

2. OXILAM Y2

• Dimensions: 8.7"D x 4.7"W x 3.5"H
• Battery Capacity: 6000 amp hours
• Voltage: 12 V

Best for: High-output large-engine starts.

Why it ranks #2: The 6000A unit lists support for all gas engines and diesel engines up to 12L, plus up to 60 starts per full charge.

The OXILAM Y2 pairs a 6,000A peak current with stated support for all gas engines and diesel engines up to 12L. That broad engine coverage makes it relevant to owners of larger vehicles, while its claimed capacity of up to 60 starts per charge suits repeated starting needs.

The Y2's 12V compatibility includes motorcycles, pickups, RVs, tractors, trucks, vans, ATVs, snowmobiles, and yachts, so one unit can serve a mixed vehicle household or equipment lineup. Its LED display gives users a visible readout during operation, and the LED light adds illumination for roadside use. USB and Type-C ports let the pack serve as a power bank as well as a starter, extending its usefulness when traveling.

Skip it if you need a starter for a non-12V vehicle; the listed Y2 specifications cover 12V vehicles only.

The Y2 suits drivers with large gas or diesel engines who value a high stated start count and broad 12V vehicle compatibility. Its fit is limited to 12V applications, so check that against your vehicle.

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

#3 · Highest Peak Current

3. Sharmeal GL987

• Dimensions: 3"D x 7"W x 1.1"H
• Battery Capacity: 8000 milliamp hours
• Voltage: 12 V

Best for: Large diesel engine coverage.

Why it ranks #3: Its listed 7000A peak current and compatibility with all gas and 12.0L diesel engines suit drivers with larger engines.

Support for all gas engines and up to 12.0L diesel engines is the key reason to consider the Sharmeal GL987. Its 7,000A peak current and forced-start button are specified for dead and fully drained batteries, extending its usefulness when a conventional start is difficult.

The GL987 covers cars, motorcycles, SUVs, pickups, boats, and lawnmowers, so the same 12V pack can serve multiple vehicles or equipment types. The forced-start button on its smart cable is specifically identified for fully drained batteries. Its 8,000mAh capacity and slim 1.1-inch listed height can make storage more manageable in a vehicle. An LED light adds an illumination function for roadside situations, while the broad engine coverage remains its main fit advantage.

Skip it if you need a starter for a non-12V vehicle; the GL987's listed voltage is 12V.

The GL987 suits drivers of large gas or diesel vehicles who want a forced-start function and a light in a portable 12V unit. Confirm that 12V operation matches the intended vehicle.

Listed on Amazon as: Sharmeal Car Jump Starter 7000A, Jump Starter Battery Pack for All Gas and 12.0L Diesel, 12V Portable Jump Box with LED Light

#4 · Compact Design

4. Scatach 3000A

• Dimensions: 1"D x 3"W x 6"H
• Battery Capacity: 10000 milliamp hours

Best for: Compact multi-vehicle starter.

Why it ranks #4: This 3000A pack measures 1 by 3 by 6 inches and supports up to 9.0L gasoline and 7.0L diesel engines.

At 1 by 3 by 6 inches, the Scatach 3000A is a compact jump pack that can be easier to stow than a bulkier roadside kit. It supports 12V vehicles with engines up to 9.0L gasoline and 7.0L diesel, and lists up to 50 starts per charge.

The 3,000A peak output and stated engine range make this pack suitable for cars, pickups, motorcycles, boats, RVs, tractors, lawnmowers, and snowmobiles. That variety can help owners keep one starter available for several kinds of equipment. Three flashlight modes provide different lighting options during roadside use. Its power-bank-sized form and 0.6kg listed weight make storage and carrying straightforward, while the included jumper cables keep the starting connection equipment with the unit.

Skip it if you need support for a diesel engine above 7.0L; the Sharmeal GL987 lists support for up to 12.0L diesel.

The Scatach suits drivers wanting a compact starter for cars and assorted recreational or outdoor equipment, with three light modes for roadside visibility. Its 7.0L diesel ceiling is an important fit boundary.

Listed on Amazon as: Scatach 3000A Car Battery Jump Starter,12V Jump Starter Battery Pack Portable (up to 9.0L Gasoline and 7.0L Diesel Engine), Jump Box with 3 Modes Flashlight and Jumper Cables

#5 · Safety Features

5. NOCO Boost GB40

• Dimensions: 4.61"D x 8.19"W x 4.21"H
• Battery Capacity: 2150 milliamp hours
• Voltage: 12 V

Best for: Protected everyday jump starts.

Why it ranks #5: Its 1000A output supports engines up to 6.0L gas and 3.0L diesel, while spark-proof and reverse-polarity protection help prevent connection errors.

Spark-proof and reverse-polarity protection distinguish the NOCO Boost GB40, helping guard against connection mistakes when attaching its clamps. Its 1,000A peak output supports engines up to 6.0L gas and 3.0L diesel, while the integrated power bank adds emergency phone or tablet charging.

The GB40 is rated for up to 20 starts per charge, giving owners a stated reserve for repeat use between recharges. Its 12V compatibility includes cars, trucks, motorcycles, ATVs, RVs, and watercraft, making it useful across several vehicle types. The integrated power bank can supply smartphones and tablets, and the unit recharges in three hours. At 2.4 pounds, it remains a portable option, with a storage bag included for keeping the pack and accessories together.

Skip it if you need support beyond 6.0L gas or 3.0L diesel; the S ZEVZO ET03 lists higher engine limits.

The GB40 fits drivers who prioritize protected clamp connections and a built-in phone power bank for 12V vehicles within its engine limits. Look elsewhere if your vehicle exceeds 6.0L gas or 3.0L diesel.

Listed on Amazon as: NOCO Boost GB40 12V 1000A UltraSafe Portable Lithium Jump Starter

#6

6. AstroAI S8

• Dimensions: 4.5"D x 7.9"W x 3.7"H
• Battery Capacity: 8000 milliamp hours
• Voltage: 12 V DC

Best for: Low-voltage battery boost.

Why it ranks #6: The 1500A starter supports 6.0L gas and 3.0L diesel engines, and its listed smart boost mode addresses low-voltage or drained batteries.

AstroAI's 45C high-rate lithium battery and 1,500A peak current are specified for starting low-voltage and fully drained batteries. The S8 supports 6.0L gas and 3.0L diesel engines, giving owners of smaller 12V vehicles a focused option for depleted-battery situations.

The S8's smart boost mode automatically detects battery voltage, which can guide use when a battery is too low for a standard start. Its stated compatibility includes motorcycles, cars, SUVs, pickups, and lawnmowers, so it can move between a daily driver and smaller equipment. The 8,000mAh battery capacity and 430g listed weight make it a portable pack, and the included cable provides the stated connection accessory. Its engine limits define which vehicles it can serve.

Skip it if you have an engine above 6.0L gas or 3.0L diesel; the Scatach Cocy-011 supports larger listed engine sizes.

The AstroAI S8 fits owners of cars, motorcycles, and other listed 12V vehicles who want smart boost support for low-voltage batteries. Its 6.0L gas and 3.0L diesel limits narrow the vehicle match.

Listed on Amazon as: AstroAI S8 Car Battery Jump Starter 1500A – Portable 12V Lithium Jump Box

#7

7. GOOLOO A3

• Dimensions: 4.96"D x 5.87"W x 2.3"H
• Battery Capacity: 12000 milliamp hours
• Voltage: 12 V

Best for: Jump starter with air pump.

Why it ranks #7: This 3000A model adds an air compressor and supports engines up to 9.0L gas and 6.5L diesel, with a boost button for low voltage.

The GOOLOO A3 combines a 3,000A jump starter with an air compressor, giving drivers both battery recovery and inflation functions in one unit. It supports engines up to 9.0L gas and 6.5L diesel, and a BOOST button is specified for extremely low battery voltage.

GOOLOO lists the A3 for 12V vehicles including cars, motorcycles, ATVs, lawnmowers, RVs, tractors, trucks, and vans, making it useful across varied vehicle types. The BOOST function can force a start when battery voltage is extremely low. Its compressor adds tire inflation to the kit, reducing the need to carry a separate pump for that task. The stated 1,000-plus charge cycles also gives buyers a clear durability specification to consider for repeated ownership use.

Skip it if you need a diesel starter above 6.5L; the Soulor CYD27 lists support for engines up to 14.0L diesel.

The A3 fits drivers who want jump-starting and an air compressor together, particularly for listed 12V vehicles within its engine range. Its 6.5L diesel limit is lower than its 9.0L gas limit.

Listed on Amazon as: GOOLOO A3 12V 3000A Portable Jump Starter with Air Compressor

#8

8. Joltekon VP30

• Dimensions: 7.88"D x 1.97"W x 3.78"H
• Battery Capacity: 7200 milliamp hours
• Voltage: 12 V

Best for: Jump starts plus tire inflation.

Why it ranks #8: The 4500A unit lists support for 9L gas and 8L diesel engines and combines jump starting with a 150PSI tire inflator.

A 150PSI tire inflator with auto-shutoff sets the Joltekon VP30 apart from a jump starter alone, combining roadside starting and tire care in one 12V kit. Its 4,500A output is listed for engines up to 9L gas and 8L diesel.

The VP30's air compressor is accompanied by a detachable extended hose and four nozzles, giving the kit attachments for inflation tasks beyond tires. Its pressure gauge supports monitoring during inflation, while the auto-shutoff feature can stop the pump at the selected pressure. Jump-starting, a power bank, flashlight, SOS signal, white strobe, and red warning strobe consolidate several roadside functions. That combination can reduce the separate gear a driver needs to carry, though the engine limits still matter.

Skip it if you need support beyond 9L gas or 8L diesel; the OXILAM Y2 lists support for all gas engines and up to 12L diesel.

The VP30 fits drivers who want starting, tire inflation, and roadside lighting in one kit, especially where its hose and nozzles will be useful. Its stated engine limits are 9L gas and 8L diesel.

Listed on Amazon as: Car Battery Jump Starter with Air Compressor 4500A 150PSI, Car Jumper Starter Portable (9L Gas/8L Diesel), Jump Box Car Battery with Auto-Shutoff Tire Inflator, Jumper Cables and Light

#9

9. VIAXYIK JN-088D

• Dimensions: 4.3"D x 7.6"W x 2.5"H
• Battery Capacity: 20000 milliamp hours
• Voltage: 12 V

Best for: High-capacity inflator combo.

Why it ranks #9: It claims 8000A peak current, up to 50 starts per charge, and a 180PSI auto-shutoff inflator, with engine limits of 9.0L gas and 8.0L diesel.

The VIAXYIK JN-088D pairs 8,000A peak current with a 180PSI auto-shutoff tire inflator, combining vehicle starting and tire inflation. It supports 12V vehicles up to 9.0L gas and 8.0L diesel, and claims up to 50 starts per full charge.

Its air hose and four nozzles support the inflation setup, while auto-shutoff helps end pumping at the selected pressure. The starter also includes smart jumper cables and a USB-C charging cable, keeping key accessories with the unit. Listed operation from -4°F to 140°F gives buyers a stated temperature range for seasonal use. The manufacturer notes that the pump draws substantial power and advises pauses every 10–15 minutes, so plan on recharging and cooling during extended inflation work.

Skip it if you need to inflate continuously without periodic cooling; the Joltekon VP30 also has an auto-shutoff compressor but no continuous-use interval is listed.

The JN-088D fits drivers who want a high-output starter and tire inflator, with accessories for both tasks and a stated seasonal temperature range. Its pump needs cooling pauses during extended use.

Listed on Amazon as: 8000A Jump Starter with Air Compressor, 180PSI Auto-Shutoff Tire Inflator

#10

10. Soulor CYD27

• Dimensions: 2.95"D x 3.74"W x 7.09"H
• Battery Capacity: 8000 milliamp hours
• Voltage: 12 V

Best for: High-pressure inflation combo.

Why it ranks #10: This 6000A starter includes a 160PSI compressor, but its listing gives conflicting engine limits: 14L diesel in one claim and 10L gas elsewhere.

A built-in 160PSI automatic air pump gives the Soulor CYD27 a practical second job alongside its 6,000A jump-starting output. The listing supports engines up to 10L gas or 14L diesel, making this combination relevant to drivers with larger diesel vehicles.

The CYD27's compressor is described for inflating tires, sports equipment, and air mattresses, and its included extended hose and four nozzles help connect to different inflation tasks. Its jump-start function covers motorcycles, cars, and SUVs, while a USB-C charging cable is included. The product listing says to cool the equipment every 10–15 minutes during continuous use, a meaningful operating consideration for extended pumping or other sustained work. The EVA bag keeps the kit together for storage.

Skip it if you need extended continuous operation without cooling breaks; the VIAXYIK JN-088D also specifies pauses every 10–15 minutes, so neither avoids that limit.

The CYD27 suits drivers who want high-pressure inflation and jump-starting in one kit, including support for larger diesel engines. Allow for the stated cooling breaks during continuous use.

Listed on Amazon as: Jump Starter with Air Compressor 6000A Car Battery Jumper Starter Portable