Product Name: 72V 40ah Rechargeable Lithium Ion Battery Pack with Samsung Cell for E Bike Model NO.: 72 40ah Electrolyte: Li-ion Usage: E Bike Standard Voltage: >12V Rated Capacity: 100MAH< Accessories Type: Battery Size: Medium Discharge Rate: Medium Discharge Rate Rechargeable: Chargeable Connection Mode: Series and Parallel Type: Lithium-Ion Battery Pack Nominal Voltage: 72V Nominal Capacity: 40ah Internal Resistance: <70 Charge Voltage: 84V Charge Current: <=30A Max. Continuous Discharge Current: <=120A Discharge Cut-off Voltage: about 60V Warranty: 18 Months Charging Temperature: 0-45 Degree Discharging Temperature: -20-60 Degree Cycle: 500 Times (80% Dod) Trademark: THLB Transport Package: Carton, Pallet, Plywood Packaging etc. Specification: size: 317x220x130mm Origin: Shandong Province, China HS Code: 8507600090 Product Description Following are our main E- bike battery pack, some battery parameters can be customized according to client's specific requirements.Shandong Tian Han New Energy Technology Co., Ltd is specialized in R&D, manufacturing, sales and service of lithium battery,power lithium battery and battery pack, BMS (battery management system), products are widely used in intelligent manufacturing,new energy electric vehicles, startting-up batteries, communication station battery, e-bike battery, solar-wind energy storage systemand home-use energy storage system solutions.Contact Information-Name:Rose LeeShandong Tian Han New Energy Technology Co., Ltd