- LOKITHOR J1350 PRO introduces the LiFePO4-Tech lineup with compact, ultra-safe starting power for daily drivers. It delivers 1350A peak current for up to 6.5L gas / 3.5L diesel vehicles, while LiFePO4 battery chemistry, over 2,000 life cycles, ConnectMax Technology, smart clamps, and 10 safety protections provide long service life, stable performance, and reliable emergency power in a portable size.