Short Answer: The Deespaek 12V 100Ah LiFePO4 battery offers superior longevity (3,000-5,000 cycles) compared to traditional lead-acid batteries, backed by a 5-year warranty. Its lifespan depends on depth of discharge, temperature management, and usage patterns.… How Does Deespaek 12V 100Ah LiFePO4 Battery Compare in Longevity and Warranty?