What is the difference in discharge/recharge cycle life between Lead-acid (PbA) cells and Lithium-Iron-Phosphate (LiFePO4) cells?
Lead-Acid (PbA) secondary deep-cycle battery packs can usually be discharged and recharged for 300-400 cycles. However, discharge rates are also subject to temperature and weather conditions throughout the life of the pack. This means potential replacement for deep-cycle battery packs is about every one to two years. LiFeBATT guarantees its cells for 2000 deep discharge/charge cycles before a 10% degradation of overall capacity may occur. Past the 2,000 cycle threshold, the cells still don’t need replacement, but the user will notice a 10% reduction in battery capacity after a full charge. For an electric vehicle, a driver might see a 10% reduction in distance traveled as the battery pack ages beyond 2,000 cycles. The definition of 2,000 deep discharge cycles for LiFePO4 chemistry is 72% – 98% depletion before recharge. Shallow discharge/recharge cycles will prolong battery pack life, extending it beyond 5,000 cycles with little loss in overall capacity, up to 10,000 cycles before degr
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