The Empire Streamlight Survivor replacement battery has a 4.8V output and a capacity of 1800mAh. Great as a spare for a quick flashlight battery change or as a replacement battery. This battery is 100% OEM compatible and it works with 90041, 90042, 90043, 90044, 90062, 90064, 90241, 90242, 90243, 90244, 90262, 90264, 90338, SURVIVOR DIVISION 2, SURVIVOR DIVISION II and SL20X-LED.