Package Includes: 1 X Jump Starter | 1 X Home Power Plug | 1 X Storage Battery Wire Clip | 1 X (4 in 1)USB Charge Cable | 1 X Laptop adapter | 1 X User Manual | 1 X Car Charger | 1 X DC Conversion Line |
Short circuit, over-charge, and over-heat protection,very safe.
After fully charged one time, can keep about months.Noraml use can keep 3-5years.
Start car at one time on cold & hot areas.
Very connvenient.can be charge at home(100-240V) and car.