Features:* Working with Li-ion battery for Makita 10.8-12V tools.* The red wire is connected to the positive terminal of the battery, and the black wire is connected to the negative terminal of the battery.* DIY battery only!* This adapter must be separated from the battery when not in use for a long time.* Provide power to your electric bike/skateboard/toy car, etc.; * Accessories for four-wheel drive/camping gear/van;* Use it to connect lighting. Specifications:* Type: Rechargeable * Material: Plastic * Color: Black/Blue * Wire Specification: 12AWG High Temperature Resistant * Battery Voltage: 10.8-12V * Fixed with screw holes: the adapter can be fixed in any position for easy organization.* Quantity: 1 PcPackage Contents:1 x Rechargeable Battery (Adapter only, batteries and tools not included)Note:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.