48V 20Ah Rear Rack Ebike Battery

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48V 20Ah Rear-Rack Battery Specifications: Cell Model INR21700M50LT Cell Voltage & Ah 3.7V 5000mAh Number of cells 52 Series & Parallels 13S4P Rated Capacity 20Ah Nominal Voltage 4 8V Internal Impedance 150mΩ Max Charge Voltage 54.5V Max Charge Current 5A Min Discharge Voltage 39V Rated Discharge Current 40A Max Discharge Current 50A Overcurrent Protection 50A Charging Mode CC/CV Cycle Life 1000 cycles Charge Temperature 0-45℃ Discharge Temperature -20-55℃ Certificates CE Recommended Motor Watt Up to 1500W Product Weight 12 lbs 3 oz Package Weight 17 lbs 3 oz Product Dimension 15 x 7 x 4 Package Dimension 17 x 8 x 7 All the batteries sold on ebikeling.com come with a charger. Rear rack batteries come with a rack. TIPS: The LED light on the charger remains RED while charging and turns green when the battery is fully charged or disconnected. A fully depleted lithium-ion ebike battery may take around 6 hours to recharge. It will take less if the battery has a partial charge when you start charging it. Do not leave the battery on the charger for long periods like several days or more. Do not store an empty battery in case you need to store it for some reason. Store it 50-70 percent charged. Charge your ebike battery regularly. You do not have to let the battery discharge completely. Show more