Down Tube 20.8ah 25ah 48v ebike battery for 1000w 1500w 2000w motor ebike

Premium 48V downtube ebike battery engineered for 1000W, 1500W, and 2000W motor systems. Available in 20.8Ah and 25Ah capacities with LG lithium cells delivering 1000+ charge cycles. Features integrated BMS with 100A peak discharge, comprehensive safety certifications (UL, RoHS, UN38.3), and reliable performance across temperature ranges. Supports fast charging with CC-CV technology. One-year warranty plus lifetime technical support. Compatible with most motor kits—ideal for DIY e-bike conversions demanding high power and extended range. About Us 1, Certifications: All of our batteries have UL, ROHS, MSDS, UN38.3 safety certifications 2, Safety Tests: Short Circuit Safety Test √ Overcharge SafetyTest√ Crush Safety Test Needing Safety Test √ Extrucsion Safety Test√ 3, Warranty: One year quality warranty and lifetime technical support. We has been in long-term cooperation with Samsung, LG, Sanyo, All new UPP batteries enjoy a 1-year warranty. We have technical team based in US offers the best customer support if you have requirements for other different modes and capacities, please contact us and we can customize item for you. 5, Note before order: Our battery can fit most motor kits , but exclude these four : Bosch,SHIMANO, Yamaha，Panasonic . Specification 1, Nominal Capacity(AH): 20.8AH/25AH 2, Nominal voltage(V): 48V 3, Battery internal resistance（mΩ ）: 105 4, Cell Combination: 4x13/5x13 5, End-off voltage(V): 12 6, Charging cut-off voltage（V): 54.6 7, Rated charging current Amperage of BMS (A): 10 8, Maximum Instantaneous discharging current Amperage of BMS (A): 100 9, Maximum continuous discharging current Amperage of BMS(A）: 50 10, Battery Cell: LG5200mAH & LG5000mAh Li-on battery cell 11, 5C discharge 12, Max discharging Current Amperage(A): 10 13, Charging and discharging time: more than 1000 times 14, Charging Type（CC-CV）: cc/cv 15, Cut-off charging voltage（V）: 54.6 16, Charge temperature range ssd: 0-50℃ 17, Discharge temperature range: -20–50℃ R049-6 Battery Size Chart R049-6 battery product details U009 Battery Size Chart U009 Battery Product Details Installation