Featuring proprietary Thin Plate Pure Lead (TPPL), NexSys® PURE batteries provide an advanced, cost-effective power solution. Constructed with 99% pure lead to provide unmatched performance across a wide rang of temperatures. NexSys PURE batteries offer faster, more flexible charging – opportunity charge anytime the equipment is stopped, during breaks or at the end of a shift. The virtually maintenance-free power solution never requires watering, battery washing or long equalize charges, is resistant to shock and vibration, and with very low internal resistance, provides more power when you need it most.