3.7V 4000mAH Battery for Solar Flood Light (64/108 LED FL3, FL3-Warm & 42/64 LED FL2), 60 LED Shed light SHD2, 126 LED Security Light SL2 & 5W Home System HS1 3.7V 4000mAh Battery For 64/108 LED FLoodlight FL3, FL3-Warm and 42/64 LED Floodlight FL2 Also for 60 LED Shed light SHD2 & 126 LED Security Light SL2 Also for 5W Home System HS1