... natural, phosphate based material and offers the greatest combination of performance, safety, cost, reliability and environmental characteristics. Moreover ... than 0.01CDischarge cut-off voltage2V, the over-discharge detection voltage of PCMOperating environment Charging, 0°C ~ 45°C ; ... times life of Lead Acid and 3 times of NIMH, 2 times most Lithium batteries.7. Wide working temperature range, From ...