What do you expect from a battery? These lithium batteries will allow you to get incredible runtime. A protection circuit is attached to the battery to ensure that you do not overcharge or over discharge the battery. To save you a lot of trouble, try this battery! This a super 3800mAh rechargeable li-ion battery for security CCTV camera power supply, with 8 VDC output voltage, 12.6V DC input voltage with AC charger for lithium battery. -Gochinamall Specifications: Battery Specification: Model: T-1238A Input Voltage:12.6V DC Output Voltage: 8V DC, 3800mAh Charger Specification: Model: SYD-12V Input Voltage: 110-240V AC, 50/60Hz Output Voltage: 12.6V DC, 350mA Features: This rechargeable lithium battery can be used for security CCTV camera power supply Because of it mini designing you can carry it around, and provide power for your camera conveniently To reduce the risk of or burns Do not attempt to open, disassemable, or service the battery pack Do not crush, puncture,short external contacts of dispose of in fire or water above60 Replace only with the battery pack designated for this product To avoid the decending capacity, the battery must not be put away over 1 year Away from high temperature, and kept in cool dry place Please follow local regulations to deal with used batteries Package Included: 1 x Super Rechargeable Li-ion Battery 1 x Charger