| Message: | Topex Battery Co.,Ltd is one of the best China 48v20ah 2u lifepo4 battery for ups back up suppliers and manufacturers, welcome to wholesale 48v20ah 2u lifepo4 battery for ups back up from us.LiFePO4 48V20Ah 2U BatteryApplications: Base transceiver station, UPS back up power supply, Telecommunication TowerProduction capacity: 20,000pcs per monthAdvantage: * Extremely long life, up to 2000cycles at 100% DOD, or 6000cycles at 25% DOD* Super light weight* Very safe, never get fired or exploded* Wide operation temperature range, -20℃～+65℃* Environment friendly, no lead, no mercury, no cadmium* Fast charge, 1~3hours full chargeShipping: By air, by sea or by express(DHL, UPS, FedEx or TNT)No.ItemsSpecifications1Charge voltageDC58.4V2Nominal voltage51.2V3Minimal capacity20Ah @0.2C Discharge4Charge currentStandard charge: 0.3CRapid charge: 0.5C5Standard Charging method0.3C CC(constant current) charge to 58.4V, then CV(constant voltage 58.4V) charge till charge current decline to £ 0.05C6Charging timeStandard charge: 4.0 hours (Ref.)Rapid charge: 1.5 hours (Ref.)7Max. charge current20A8Max. discharge current40A9Discharge cut-off voltage40V10Operating temperatureCharging: 0°C ~ 40°CDischarging: -20°C ~50°C11Storage temperature-20°C ~ + 45°C12Battery WeightApprox. 16Kg13Battery DimensionL442*W300*H88mm14Battery PackagingMetal15Communication ProtocolRS232, RS48516Parallel ConnectionYes1719〃 CabinetMatch url:http://www.topexbattery.com |
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