MATECam Rechargeable Battery Replacement Lipo Battery 3.7V 400Mah for RC Quadcopter Drone Mini Camera Rechargeable high volume Lithium-ion Battery With protection circuit board.It has a plug.easy to use it. Size:1.42(L)*0.76(W)*0.22(H) (Inch) (7 gram class) Rating: DC3.7V 400mAh The item will be put in retail plastic bag, Just open and you will find it. Rechargeable Battery For RC Quadcopter Mini Camera GPS PSP DVD PAD E-book tablet pc power bank video game