Schumacher GIGA 12V Lithium Booster, 800CA

Giga Lithium jump starters are designed for starting difficult vehicles and preserve settings during charging. They offer override mode, safety features, and are lightweight with a carry handle.

• The description claims protection against over discharge, over charge, over temperature, reverse polarity, short circuit, voltage error, and overload.
• The description claims the units can start vehicles without the battery.