Feature: 100% brand new and high quality. Over current, over load, over temperature, out of date of protection. Small size, no space, easy to carry. Short circuit, leakage protection, safety, no need to worry. Super large capacity, durable for long time use. You can use this battery to power our powerful wireless. Transmitter, CCTV camera and so on. Specifications: Color: Blue Size: 13 * 6.5 * 2.5 cm Capacity: 9800 mAh Battery Type: Rechargeable Li-ion Battery Input voltage: 12.6 V Output voltage: 10.8 ~ 12.6 DC Output current: 1-2A Line interface specification 5.5 2.1 MM Product life: circulation charge and discharge more than 500 times. Scope of application: Wireless cameras, surveillance cameras, wireless infrared detectors, car LCD TV, automotive products, positioners, medical equipment, electronic design works, heating warm vest (clothing, shoes, etc.), LED lamps, portable DVD, personal handling system, PDA personal Data player, personal communication system, walkie-talkie, digital camera, camcorder, video camera, Bluetooth device, CD player, MD player, MP3 player, smart card, aviation model can be used 3.7V; 5V; 8.4V; Power in all areas. Battery-powered method: (DC5.5 * 2.1 double-headed wire) connected to the battery box ''DC IN / OUT'', the switch open to ''ON'', the other end connected to the need for electricity on a variety of devices, open The internal circuit will automatically cut off the power supply, resulting in no voltage output, then as long as the redo a charging step will be able to restore the power output (in the case of the battery), the internal circuit will automatically cut off the power supply. Package includes: 1 x Battery 1 x Battery charger (optional)