High capacity replacement battery for ADT smart security panel, Fix Battery Dead/Miss alarm problem. Safe and Reliable : Products are CE certified, tested by manufacturer to match OEM standard. built with multiple circuit protection (over-charging, short-circuit, high-temperature, and surge protection), and high-quality. Built-in connector with correct positive & negative wirings for safety and so that you will not need to solder, simply plug this new battery in and the replacement works is done. Our batteries are made to the exact specifications and fit exactly like the original, once installed the low battery alarm will go away, security panel power will last as long as before. Compatible For ADT Command Smart Security Panel ADT5AIO-1 ADT5AIO-2 ADT5AIO-3 ADT7AIO-1, Honeywell ADT 2X16 AIO Home Security Panel ADT2X16AIO-1 ADT2X16AIO-2 Battery 300-10186.