Can I use this if my car battery is completely dead and shows 0V?

No, if the voltage drops below 1V, jump starter won’t be able to start the engine. When the battery is completely drained, the capacitor can’t charge. Please make sure your car battery still has a minimal amount of power left.

Can I use this for a hybrid car?

We designed this product for 12V gasoline cars up to 8.0L and diesel cars up to 6.0L. Since hybrid vehicles use different types of batteries and we haven’t tested them all, we don’t recommend using it with hybrid cars.

How long does the charge last if I charge it in advance?

Unlike lithium batteries, capacitors can’t hold a charge for long. Even when fully charged, they naturally discharge within 1–2 days. You don’t need to charge it beforehand—just connect it to the power source (your car battery) when needed.

I pressed the start button but the device doesn’t work. What should I do?

Autowit jump starter only works when it’s fully charged by connecting to your car battery. Please check if the product is fully charged and make sure your car battery still has some power left for the startup process.

Does this product have a flashlight or phone charging function?

No, Autowit jump starter uses a capacitor, which doesn’t store power like a battery. It’s designed solely for jump-starting vehicles and doesn’t support additional features like lighting or charging mobile devices.

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Autowit Super Capacitor Jump Starter, 12V Batteryless Portable | Jumper Cables for 8.0 Gas & 4.0 Diesel Car, Built-in Supercapacitor, No Need Pre-Charge

Product ID: 211514760

Details

Battery Cell Composition
Lithium Ion
Brand
autowit
Product Dimensions
4.52"D x x
Vehicle Service Type
Motorcycle
Voltage
12 volts

⚡800A peak current

🔋Built-in supercapacitor, no pre-charge needed

❄️🔥Operates from -40°C to 70°C

1674 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power Up Fast, Stay Ready Always!

SAFETY FIRST ALWAYS - Advanced protection against sparks, reverse polarity, overload, and more for worry-free use.
UNMATCHED DURABILITY - Over 100,000 jump starts with cutting-edge supercapacitor tech—outlasts traditional jump starters.
EXTREME WEATHER READY - Reliable performance from freezing winters to scorching summers—your ultimate emergency companion.
INSTANT POWER ON DEMAND - No pre-charging needed—jumpstart your ride in minutes, anytime, anywhere.
VERSATILE VEHICLE COMPATIBILITY - Supports up to 8.0L gas and 4.0L diesel engines—cars, motorcycles, tractors, and more.

The Autowit Super Capacitor Jump Starter is a 12V portable jump box featuring a built-in supercapacitor that requires no pre-charging. Delivering up to 800A peak current, it can jumpstart gasoline engines up to 8.0L and diesel engines up to 4.0L. Designed for extreme temperatures (-40°C to 70°C) and equipped with comprehensive safety protections, it offers over 100,000 reliable jump starts, making it an essential, durable emergency tool for any vehicle owner.

Specifications

ASIN	B086L29DL9
Amperage	800 A
Battery Capacity	12 volts
Battery Type	Lithium Ion
Best Sellers Rank	#15,494 in Automotive ( See Top 100 in Automotive ) #118 in Jump Starters
Brand Name	autowit
Compatible with Vehicle Type	Motorcycle, Tractor
Customer Reviews	4.4 4.4 out of 5 stars (2,703)
Item Dimensions D x W x H	4.52"D x 10.43"W x 1.77"H
Item Weight	2 pounds
Manufacturer	autowit
Manufacturer Part Number	autowit
Peak Output Current	800 A
Unit Count	1 Count
Voltage	12 volts

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TrustScore 4.5 | 7,300+ reviews

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