It includes a Lithium Ion battery with a capacity of 18000 Milliamp Hours and is required for operation.
Car Jump Starter 20000mAh Battery Booster Portable Battery Charger Power Bank
Portable Car Jump Starter,5000A Battery Charger,SuperSafe 12V Lithium Jump Box
BIUBLE Jump Starter Car Jump Starter Auto Battery Booster Pack 3000A Peak 12V...
Portable Car Jump Starter,2500A Battery Charger,portable jump starter for car