48V 20Ah(2hr) Lithium Ion Battery Module

Basic Info.Model NO.:BN4820CIType:Lead-Acid BatteriesUsage:UPS, Electric Power, Lighting, Electric Bicycle, Boat, Storage, Motive, Wheelchair, Electrical BicycleNominal Voltage:6VDischarge Rate:High  Discharge RateShape:Flat BatteryRechargeable:ChargeableColor:yellowBattery Case:ABSBattery Handle:withCertificates:CE, ROHS, ISO9001, ISO14001HS Code:8507200000Voltage:48VCapacity:20ahDimension:195*160*175mmBrand:Toyama, Mca & OEMQuality:BestTrademark:CHILWEEOrigin:CHINA‍FEATURES:1.Green " and environment-friendly, no pollution to the environment during production and normal usage2.Stable structure and simplified production process enables mass production and easy maintenance3.Completely new protection design of water-proof, fire-proof, shock-resistance enable high safety4.Professional protection module and BMS ensures the battery pack to be protected perfectly5.High weight and measurement specific energy ensures the battery pack extremely long-voyage ability6.Super long life supported by innovative technologies, high quality material and strict manufacturing control    SPECIFICATION:Battery Model No.BN4820CIMaterialMnNiCo Composite Material + LiMn2O4Nominal Voltage (V)48VNominal Capacity (C2, 25℃ )20AhBattery Pack Dimension (mm)195mm X 160mm X 175mm (L X W X H)Nominal Weight (Kg)7.1Kgs ± 0.1Charge Limited Voltage (V)54.6VContinuous Charge Current (A)4AMaximum Charge Current (A)10ACharging Mode (Constant Current/Constant Voltage)4A X 6.5hDischarge Cut-off Voltage (V)≥ 39.5VContinuous Discharge Current (A)≤ 20AMaximum Continuous Discharge Current (A)≤ 30ACycle Life at 100% D.O.D.≥ 800 CyclesCharge Port / Discharge Port3 Square Pin Plug : N-Positive, L-NegativeCapacity Retention Rate at 0℃≥ 90%Self-Discharge Rate (25℃)≤ 3% per monthTemperature Characteristic‍Charging:0℃ - 40℃Discharging:-20℃ - 40℃Storage:-20℃ - 40℃Battery Pack Storage and Transportation:1) StorageIf the battery pack has to be stored for a long period (1 months above), the battery pack must have retained 50% of the capacity before storage (recharge the battery pack by equipped charger for 2-3 hours after each fully discharge),and must stored at dry, ventilated place. The battery pack must have been recharged for 1-2 hours in every 3 months.2) TransportationBattery pack and charger must be packed well before sending for shipment. The packed goods can be shipped by road,railway, vessel, and airplane. The SOC (state of charge) of the battery pack shall be at between 40-60% duringtransportation, and violent mechanical pulse, sun exposure, rains, upside down are prohibited during transportation.The battery pack must be well treated during uploading and unloading.


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