The HumsiENK 12V 100Ah LiFePO4 battery is a lightweight, high-performance replacement for lead-acid batteries, weighing only 23 lbs and offering 3–5× higher energy density in a 35% smaller footprint. With a 10-year lifespan and over 15,000 deep cycles, it’s certified SDS/UN38.3/FCC/CE/ROHS, shock-resistant, and IP67 waterproof. Its advanced 100A BMS protects against overcharge, over-discharge, overcurrent, and short circuits, with automatic shutdown above 300A or below -4°F (-20°C). The battery supports series and parallel expansion up to 48V/20.48kWh, making it ideal for RVs, boats, off-grid systems, and home backup. Compact, durable, and portable with a nylon handle, it powers a wide range of applications—from marine equipment and garden tools to lighting, electronics, and outdoor adventures.