DC 12V high capacity rechargeable lithium battery. Features 1. Applying Japanese Lithium Ion chip. 2. Small resistance. 3. Big capacity. 4. No memory effect. 5. Long using life. 6. Multi-safety inside circuit design, which can prevent over charge, over release and over current. Application: This unique rechargeable battery pack is ideal for wireless ccd camera, transmitter and receiver use, can also combine with wired ccd hidden camera and micro video recorder for professional surveillance equipment. Specification : Input Power:(charging Power): DC 12V. Output Power: DC12V; 1800mAh. Size : 9.8(L) x 6.0(W) x 2.2(H) cm. Gross Weight: 0.28 kgs.