A German Technology Voltage Per Unit 12V Capacity 12 150Ah to 1.80V per cell Float charge voltage: 13.60V-13.80V Capacity Full Capacity(100% capacity) Max. charge current 36A(5sec) Cycle charge voltage 14.4V-14.8V Low-voltage protection 10.8V Recommended Temp 25 Deg ±3 Operating Temperature Range Discharge Depth:-40%-55% Storage:-10 Deg -50 Deg General characteristics · Hermetic · Free maintenance · Low self-discharge ratio · Long useful life · Temperature range: -15 ºC to 50 ºC · Improved performance: up to 500 cycles @ 80% depth of discharge · Excellent recovery capacity after a deep discharge.