use it for lighting; Provide power for your electric bicycle/skateboard/toy car, etc.;-connect it to your 12V DC motor; This adapter not be used for a long time, please be sure to separate it from the battery; Do not use this adapter to charge the (for for M12) 12V key battery! Suitable for for M12, 48-11-2401, 48-11-2402, 48-11-2411, 48-11-2412, 48-11-2420, 48-11-2430, 48-11-2440, Product model: 10.8V-12V DIY adapter For for M12 12V lithium battery converted to DIY cable output converter adapter; With 30A fuse, it is more convenient and safe to use When using, pay attention not to touch black wires and red wires together to prevent short circuit. note:This product does not contain batteries,The battery is for display only Color: Red Material: plastic Package Contents: 1 x Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.