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aliexpress
Humsienk 48V 100Ah LiFePO4 Rack Battery, 3U, 100A BMS — about 4.8kWh for an inverter or solar bank; match voltage and charge profile first
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aliexpress
USD 840.23
USD 2,498.26
Save USD 1,658.03 (66%)
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About this product
For anyone building a solar or backup system, this is the storage block: a 48V 100Ah LiFePO4 battery in a 3U server-rack case, which works out to roughly 4.8kWh per unit, with an integrated 100A BMS and Bluetooth monitoring. It targets inverters, RVs, vans and off-grid solar banks rather than small portable devices. Before ordering, match three numbers to your system: the nominal 48V bus voltage, the charge profile the battery expects, and the continuous current your inverter pulls against the 100A BMS limit. The 15000-cycle claim is a laboratory-style figure, so plan on less in real use and check the stated discharge temperature range. Rack batteries are heavy and usually ship as dangerous goods, so delivery can take longer and local handling rules apply.
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Pros & cons
Pros
- 48V 100Ah LiFePO4 works out to about 4.8kWh per unit — a practical building block for a solar or backup bank
- Bluetooth monitoring lets you read state of charge and cell behaviour without buying extra gear
- 3U rack form factor stacks and expands cleanly on standard rails
Cons
- Heavy item shipped as dangerous goods: expect longer delivery and special handling, and confirm the seller ships to your country
- Voltage, charge profile and current must match your inverter and stay inside the 100A BMS limit — have the seller confirm these before ordering
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