Specifications:

Model: JQB-39

Battery Capacity: 42000mAh / 155.4Wh

Battery Type: Lithium Polymer

Peak Current: 12V / 24V, 4000A

Operate Temperature:  -20℃ to 60℃

USB Output: USB 5V / 2A

DC Output: 16V / 10A

Input: DC 15V/2A

Size: 213 x 166 x 112 mm

Weight: 2.8Kg

Life Time: 1000 cycles+

Powerful And Reliable 12V & 24V Battery Jump Starter - With a 4000A peak current,

 it can start all 12V gasoline engines and diesel engines in just a few seconds as well as almost all 24V big vehicles. 

This includes cars, motorcycles, RVs, tractors, trucks, cargo vans, ATVs, snowmobiles, yachts, coaches, buses, trucks, mining, agricultural, construction, vocational equipment and many more.

We took our intelligent technology and made it better.

 It's still our smart, mistake-free design, featuring spark-proof technology, over current protection, short circuit protection,  and reverse polarity protection, but with enhanced thermal efficiency and power management to provide better performance and longer battery life.

F39 is not just a lithium jump starter but also a power bank and equipped with USB-A output port perfectly, 

it can be taken anywhere and can quickly charge numerous portable devices, such as smartphones, tablets, cameras. GPS systems, and so on.

With 16V/10A multifunction port: 

It can power other auto devices such as air compressor, car fridge, car vacuum cleaner, and more.

with dual ultra-bright  LED flashlight:

a work light which can keep a bright environment for indoor working or outdoor camping, 

and a torch with 3 light modes, including emergency strobe and SOS.