WERCHTAY 12V 300Ah Lithium Battery LiFePO4 Deep Cycle 200A BMS Off-grid for RV Solar Boat

‌10-Year Deep-Cycle：4,900+ LiFePO₄ cycles, >80% capacity, light & high-temp ready, drop-in lead-acid replacement 200A BMS：over-charge/discharge/current & 120°F cut-off, 4P4S stackable for home/RV energy storage Zero-Memory Low Self-Discharge：charge at any state, <3% monthly loss, solar/UPS/camping on demand 5-Year Warranty & 24h US Support：replacement or repair within 5 yrs, tech team replies within 24 h Green & Safe：heavy-metal-free, non-sparking, recyclable power for boats, RVs, solar banks & outdoor stations