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This is a 51.2V 100Ah sodium-ion battery built as a 4.8 kWh storage pack for solar and off-grid systems, with a smart BMS for cell monitoring and protection. Sodium-ion chemistry is the draw: it holds up better in cold and is less prone to thermal runaway than lithium, but it stores less energy per pound, so the pack is heavier and bulkier than a comparable lithium unit. It suits DIY solar builders and backup setups where durability and safety matter more than shaving weight. Reviewers of sodium-ion packs generally note stable cold-weather output but fewer charge cycles logged than LFP, and this model carries a 10-year warranty claim.
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This is a rechargeable sodium-ion battery with a smart battery management system (BMS). It is rated 51.2V and 100Ah, with a capacity of 4.8 kWh (model JM-W-48V100AH). It is made in Guangdong, China.
It is intended as a replacement for lead-acid batteries. The listed uses include golf carts, RVs, camping, UPS and electric power systems. They also include boats, electric bicycles and scooters, electric forklifts, electric vehicles and electric wheelchairs. The BMS communicates over RS485, and the protocol can be customized.
