Feature 1Premium Material: Made of premium ABS, the battery adapter is durable and sturdy, and has a long service life, non toxic, non odor, convenient for users. 2With USB: Equipped with USB, LED light and lighting switch, the battery converter is rechargeable, environmental friendly, can be used for many times. 3Multi Protection: The ABS battery adapter possess short circuit protection, over current protection, under voltage protection, safe for you to use. 4Suitable: The portable battery adapter is suitable for 1821V battery, you can use it for corresponding battery to meet your personalized needs. 5Low Power Consumption: The 18-21V battery adapter has low power consumption, energy saving and efficient, it can not be used for battery charging.Item Type: Battery AdapterMaterial: ABSWeight: Approx. 140g/4.94ozColor: As ShownSuitable: For 18-21V Battery .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Battery Adapter