The extremely powerful, compact Gel batteries of front access FT Gel Range are an absolutely reliable energy source for durability in Solar / Photovoltaic, Telecommunications and Electric Utility applications. Front access FT Gel Range VRLA provides excellent performance and reliability in long duration discharge & cycling applications. 

Capacity55-250 Ah @ 10 hr. rate to 1.80 volts per cell @ 20°C 
Life Timemaximum service float life - 15 years design life @ 20˚C
Ideal Operating Temperature Range+20°C to +35°C 
Floating Charging Voltage13.5 to 13.8 VDC/unit Average at 25°C 
Equalization and Cycle Service Charging Voltage14.1 to 14.4 VDC/unit Average at 25°C 
Self DischargeFT Gel Range VRLA batteries may be stored for up to 24 months at 20°C (68°F) and then a freshening charge is required. For higher temperatures the time interval will be shorter.
Terminal Threaded copper alloy insert terminal.