This VIKING® 2000 Peak Amp* Lithium-Ion Jump Starter and Power Bank delivers as many as 50 jump starts per charge**, even in freezing weather. Eight advanced error detections prevent reverse hookups, reverse charging, short circuit, low voltage, overvoltage, overcharge, overtemperature, and sparking. The starter holds enough power to jump start engines as large as 8 liters (up to V10) as well as 6 liter diesels.