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1200A 400F Super Capacitor Jump Starter 12V Portable Car Jumper Emergency Battery Booster with Carrying Case Force Start Function

1200A 400F Super Capacitor Jump Starter 12V Portable Car Jumper Emergency Battery Booster with Carrying Case Force Start Function

Regular price $216.97 USD
Regular price $282.97 USD Sale price $216.97 USD
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3min Quick Charge to start your car


1. Portable & Powerful 5*400F Jump Starter:

KROAK S320 Super Capacitor Jump Starter is equipped with a super peak current of 1200A and a large capacity of 400F, which can start a 12V vehicle (up to 8.0L gasoline or 5.0L diesel) in seconds. The car starter is suitable for cars, SUVs, trucks, snowmobiles, lawnmowers, tankers, yachts, etc.

2. Super Safe:

The jump starter is no built-in battery, the built-in supercapacitor is activated physically, preventing users from risk or explosion.

3. Never Need Regular Charging:

the supercap jump starter only needs a quick charge from a weak battery to start your car which is very convenient because you don't need to remember to pre-charge the jump starter

4. Large LCD Digital Display

The large screen clearly displays data such as capacitor power, capacitor voltage, ignition mode, charging prompt, etc.

5. Multiple Charging Method:

In very rare cases, the car battery is completely dead. You can charge and zoom in from the car power lighter socket of another car or the Micro USB terminal of the mobile battery. There are four ways to charge and amplify the power in a short time.

From your own car battery with very little power remaining (about 3 minutes)

Use another car battery (about 3 minutes)

From car power lighter socket (about 5 minutes)

Use power bank (about 45 minutes)

6. Force Start Function

When the battery voltage is lower than 2.3V, it cannot be recognized and cannot enter the start mode. At this time, you can use the force start function to start the vehicle

7. -40℃~+70℃ Working Temperature , Emergency Life Saver:

It can work in extreme environment,whether it is snowstorm or very hot weather, you can easily handle it.The service life of the super capacitor starter is more than 10 years

8. Easy To Use

For details, please refer to the instruction manual "How to start the car"

9. Build-in Multiple Protections:

Safely connect to any 12V car battery with our error-proof design and reverse polarity protection, overcurrent protection, overload protection, overvoltage protection.






Product Name

Super Capacitor Jump Starter

Capacitor Capacity


Start Current


Peak Current


Type-C Input


DC Interface Input


CS Interface Input




Work Temperature Range


Package Included:

1 X Kroak S320 Super Capacitor Jump Starter

1 X Carrying Case

1 X Car Charger

1 X Alligator Clamps

1 X USB Charging Cable

1 X User Manual

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Hassle-Free Exchanges

All our products come with a 30 day warranty and return window. If you have an issue with your item or you receive a defective unit. No Hassle, just contact us. (For more info, see return & refund policy).

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