V3 3.0 EU STOCK MASON 280 48V DIY Kit – Premium Lifepo4 Battery Solution
High-performance 280Ah/300Ah/320Ah Lifepo4 cells with ultra-low internal resistance for extended cycle life (4000+ cycles at 80% DoD). Seplos Mason 280 battery box ensures secure housing with reinforced ABS casing and integrated BMS for precise voltage/current monitoring. Ideal for off-grid solar systems, marine/RV power storage, and industrial backup solutions. Modular design supports easy series/parallel expansion. EU stock ensures fast delivery. Global wholesale pricing – bulk discounts available. Direct factory supply guarantees unmatched cost efficiency without compromising quality.