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This is a 48V 100Ah sodium-ion battery pack rated at 4.8 kWh, sold under model JM-W-48V100AH. Sodium-ion chemistry is the draw: it holds up better than lithium in cold and is less prone to thermal runaway, and sodium is abundant, so cells tend to be cheaper per kWh than lithium iron phosphate. The trade-off is lower energy density and a shorter track record in home storage, so it suits off-grid, backup and DIY solar builds where weight and space matter less than safety and cold-weather behavior. It is not a drop-in for a lithium bank without checking that the inverter and charge controller support its voltage curve.
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This is a rechargeable 48V, 100Ah sodium-ion battery pack with an energy capacity of 4.8 kWh. It has a battery management system (BMS) and communicates over RS485, with customization available.
It can replace lead-acid batteries. Listed uses include golf carts, RVs, camping, UPS and electric power systems, boats, electric bicycles and scooters, forklifts, electric vehicles and wheelchairs.
