The UNITECH D-A1200BT, SL026-139 Emergency Light Battery is a 4.8V 1.2Ah NiCAD rechargeable battery that is used as a replacement battery for exit signs 1. It is compatible with SURE-LITE 026-193 and has an extra capacity 1. The battery is manufactured by TOP BATTERY SOLUTIONS and comes with a 30-day return guarantee 1