Created by Tridonic this NiMH single stick battery is designed for use in emergency lighting units. It can withstand high temperatures (refer to respective emergency control gear data sheet) depending on the specific lighting unit. This product is 4.0Ah and has four 1.2V cells. Included with this battery are the polycarbonate fixing caps. It also features a straightforward plug-in connection system. Sold with a 1-year guarantee and designed for 4 year usage.