Product Name: 48V 20ah Li-ion Battery for Electric Bicycle with LED Light Model NO.: DL-4820 Type: Battery Weight: 6.5kg Cycle Life: 500 Cycles Voltage: 48V Nominal Capacity: 2500mAh Battery Type: 18650 Battery Trademark: Delong electric bicycle battery Transport Package: EPE Pearl Cotton and Thick Cardboard Cartons Specification: 395*148*80mm Origin: China HS Code: 8506500000 Product Description 48V 20ah Li-ion Battery for Electric Bicycle with LED LightRecommend to use for 48V 200W, 48V 250W, 48V 350W, 48V 500W Motor,48V 750W Motor,48V 1000W MotorThe Battery has fixing plate, if you want to install it on your rear rack, it is very easy, you just need to fix the plate on your rear rack, for example drill holes or with screws, battery will be slide in and locked with key.Battery Model48V 20Ah electric bicycle batteryNominal Capacity (AH)20ahNominal Voltage (V)48VSource Resistance (mΩ)< 40Cell Specification3.7V2500mAhCell Combination8-paralle13-seriesCell type18650Cell Quantity (parallel*series)104Discharge Cutoff Voltage (V)36.4VCharge Cutoff Voltage (V)54.6VRated Discharge Current (A)5AInstantaneous Maximum Discharge Current (A)20AMaximum Continuous Discharge Current (A)20AMaximum Continuous Charge Current (A)5ACharge ModeCC/CVStandard Charge Current (A)2ACharge Time under Standard Charge Current11Fast Charge Current (A)5AProduct details of electric bicycle battery:KeyApplicationWidelyappliedin ElectricBicycle,Electricvehicle,ElectricTricycle,Electricscooter,Electricgolftrolley,Electriccar,Electricwheelchairs,twowheelvehiclesandetc.PaymentTerms1.Weacceptbanktransfer(T/T),Western Union,PayPal,Cash.2.Ifyoupreferotherpaymentmethod,pleasecontactusbyemail.Packing and shipmentPackaging:Inner packing with EPE pearl cotton,outer packing with strong cardboard cartonsor customerized packingShipment:Samplesorder:sendingbyExpress(DHL/UPS/FEDEX/TNT)Bulkorder:sendingoutbyair/sea.WarrantyInstructions1.Weprovide1yearsWarranty.2.Warrantycode:qualityproblems,defectivegoodscanbefixedorreplacement;Man-madedamage,inflowingwater,faultoperationleadingtoshortcircuitorburning,damagedbycarrierisoutofourwarranty.3.Goodsshouldbereturnedinoriginalconditiontoqualifyforareplacementorrepair.FAQQ: Are you trading company or manufacturer ?A: We are factory.Q: How long is your delivery time?A: Generally it is 10-15 days, it is according to quantity.Q: Can you provide samples ?A: Yes, we could offer the sample.Q: What is your terms of payment ?A: 30% T/T in advance ,balance 70% before shippment.