3.6V 900MAH Exit Sign Emergency Light NiCad Battery Replacement. This battery is designed specifically for the application with proper discharge / recharge rates. This battery will work for varying MAH ratings 700mah 800mah 900mah etc works for the following models Lowes 253799 OSA230 Unitech 6200RP LEDR-1 AA900MAH contact me through amazon if you need technical assistance or have questions