This battery from Tridonic is engineered for use in emergency lighting units and to withstand high temperatures. As a result even at higher temperatures it retains good charging properties and consistent activity. The battery has a 4.0Ah capacity and each of the 5 cells is 1.2V. A one-year warranty polycarbonate fixing caps and a connecting cable are included with this product. The design life of this battery is 4 years.