SUNPOK 48V sodium-ion solar batteries adopt next-gen sodium cell tech. Inherently safer with low thermal runaway risk, they support full 0V deep discharge and faster charging. Built-in intelligent BMS and DC breaker enable max 15 units parallel expansion, fully compatible with mainstream inverters. Eco-friendly and cost-efficient, all units pass CE, UN38.3, MSDS certifications, ideal for residential and light commercial off-grid & hybrid solar energy storage. Looking for reliable sodium based battery companies? No further than SUNPOK.