| Message: | Topex Battery Co.,Ltd is one of the best China 12v 40ah lifepo4 battery suppliers and manufacturers, welcome to wholesale 12v 40ah lifepo4 battery from us.LiFePO4 12V20Ah BatteryApplications: UPS back up power supply, TelecommunicationProduction capacity: 15,000pcs per monthAdvantage: * Extremely long life, up to 2000cycles at 100% DOD, or 6000cycles at 25% DOD* Super light weight, 4.8Kg/pc* 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 charge* Flexible in size, custom design available* Matching charger availableCertificates: CE, UN38.8, MSDS, UL, WORCSPackaging: 2pcs/ctn, 40ctns/palletShipping: By air, by sea or by express(DHL, UPS, FedEx or TNT)ItemsStandardCommentsNominal voltage12.8VTypical capacity40AhAt 0.2C discharge rateMinimum capacity39.5AhWeight4.8±0.1KgMax. continuous discharge current20AOver current protection60A20msDischarge cut-off voltage10VOver discharge protection (recommended value) 9.6-10VCharge voltage14.6±0.1VCharge mode: CC/CVCharge current20AUse a constant current, constant voltage(CC/CV) lithium-ion (Li+) battery charge controller.Inner resistance≤50 mΩBetween positive and negative polar of discharge portOperation temperature rangeCharge:0℃～+45℃Discharge:-20℃～+65℃Storage temperature range0℃～40℃ at half charged stateRecommended long-term storage temperature is 15~25℃Storage environment humidityRH: 65±20%Environment humidity≤85%RHShell materialPVC url:http://www.topexbattery.com |
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