Product Name: 48V Lithium Ion Phosphate Battery Pack Model NO.: U3A1-50P-A Electrolyte: Li-ion Usage: Remote Control Boat, Remote Control Plane, Remote Control Car Standard Voltage: >12V Rated Capacity: >1000MAH Accessories Type: Battery Size: Large Discharge Rate: High Discharge Rate Rechargeable: Chargeable Connection Mode: Series and Parallel Type: Lithium-Ion Battery Pack Trademark: BYD Transport Package: Carton Specification: 48V50Ah Origin: China HS Code: 8507600090 Product Description The BYD standard 3U battery - U3A1-50P-A which is CE and TUV certified, has been widely used in Telecom and Energy Storage applications on the global market. The battery is produced with the BYD LiFePO4 technology and has an annual capacity of 14GWh.U3A1-50P-A standard backup battery is based on Lithium iron phosphate battery of BYD.It has been designed to provide backup power for telecom equipment or energy storage system in household.It has excellent safety, high energy density, long lifetime, very nice temperature performance, green power newly of excellent safety and high reliability.FeatureETSI standard 19inch 3U rack-mount designBuild-in battery control for efficient operationComprehensive communicationCompatible with standard telecom equipmentSupport parallel connection between batteries.AdvantageMore cabinet for value generating equipmentLess weight for pole mounted sitesNo active cooling system requiredHigh operational reliabilityLifetime more than 10 years at +25ºCOptimal managementROHS complianceApplication Telecom Basic stationData centerTelecom Outdoor cupboardsolar hybrid systemHome energy storage systemNominal characteristicNominal voltage[V]51.2Capacity [C/5][Ah]50Energy[ C/5][WH]2500Mechanical characteristicWidth[mm]482.6(19'')Height[mm]130 (3U)Depth[mm]440 (Without handle);478 (With handle);Weight[kg]34.8±0.5Electric characteristicVoltage window[V]40~56.5Charge voltage[V]56.5(Float charge:55.2,Boost charge: 56.8)Max charge current1CMax. Output power[W]2500Recharge time[h]9A*6hr (standard)Discharge current at the various back up times1h1C2h0.5C4h0.25COperation ConditionsLifetime @+25ºC>10 yearsCycle life[100%DOD,+25ºC]3500Operating temperatureCharge :-10~50ºC; Discharge:-20~55ºC;Transport regulationcomplianceUN3480Storage temperature and duration12 months@+25ºC6 months@+40ºCEMC standard complianceEN 61000 chapter4.2,4.3,4.5,4.6/EN55022CertificateTUV SUD/CE/ UL 1642/UN38.3Protection classIP20Battery management System functionCurrent detect at charging and dischargingHardware protectionDischarge controlCharge controlCell balanceReverse protectionCell voltage detectTemperature detectCommunication(RS485)Operating state display of system(LED)PACK voltage detectFault alarmCommunicationCommunication interface (RS485),battery operating state(current,voltage,temperature etc.)Industrial visionU3A1-50P-A battery has been developed and qualified to suit the demanding requirements of performance and operational reliability of our customersCell manufacturing is carried out on established industrial productionlinesManufacturing plants comply with the legislation in force in each country and with international quality standards(IS09001 QS9000)