A 3-hour non-maintained 385lm emergency LED strip, supplied complete with the latest, extra long life lithium iron phosphate (LiFePO4) battery packs. The unit is designed to operate as a standalone emergency solution where there the main light source cannot be converted. All our batteries feature temperature monitoring. In keeping with the latest update to BS EN 61347-2-7 Their associated modules will stop charging the cells if their case temperature falls below 0°C or rises above 55°C. The emergency packs will continue to operate where required, providing their is enough capacity remaining in the battery. Our lithium iron phosphate cells feature a low self-discharge of 5% per month.