6000A Booster Battery 26800mAh Jump Starter (up to All Petrol, Diesel Engine 10.

It also has a wireless function. 🚗【USB 3.0 with fast charging】This device is equipped with a large capacity battery and can be usĂ©d as a 26800mAh portable power bank. Battery Capacity(mAh) :20000-30000.

eBay