This Dual-Lite approved Nickel Cadmium (NiCd) battery, part number 012089401, is made with the highest quality components and provides 4.8V and 600mAh of emergency backup capacity. This battery has been approved by Dual-Lite for use with its older LX, LE and SE emergency exit sign products. WARNING: The use of unauthorized batteries in life safety products may cause product failure and increases the risk of injury to those you or your company are trying to protect. Additionally, use of batteries that are not approved by the Original Equipment Manufacturer may void the product's warranty and exposes you or your company to increased potential for litigation. Only batteries approved by Dual-Lite are authorized for use with Dual-Lite products.