Start Dead Batteries - Safely jump start a dead battery in seconds with this compact, yet powerful, 2000-amp lithium battery ... Safely connect to any 12-volt vehicle with our mistake-proof ...

Powered by a 10,000mAh LiFePO4 lithium ion phosphate battery, the versatile jumper ... As for compatibility, the 12V Michelin pack delivers up to a 500A peak current. That might not sound like ...

However, people still wonder whether this is too good to be true. Li-ion battery pack longevity (or lack thereof) is one of the reasons people refuse to even consider buying an electric vehicle.