XTV Series are specially designed for extreme temperatures (-20 to 50 ?). Innovative Valve Regulated Lead-Acid (VRLA) technology enables a 12-year design life in standby use, or more than 400 cycles at 100% discharge .   ................................................................................................................................................................................... Series Info Features Long service life Applications ................................................................................................................................................................................... Technical Info Trickle (or float) Service Life Capacity Retention Characteristics For Standby Use Cycle Service Life For Cycle Use Terminal Voltage (V) and Discharge Time Series XTV1272 XTV12400 XTV12650 XTV12750 XTV12850 XTV121000