Lithium battery pack 72V 20Ah li-ion 18650 battery with 3A charger and BMS for 5000W motor The specifications of the ebike battery pack 72V 20Ah : Type li-ion battery for electric bike 1. Basic Characteristics Weight ≤ 9.2kg Dimension(L*W*H) 70*170*375(mm) Working temperature Charge Temperature 0~45°C Discharge Temperature -20~65°C Retention of charge (store in one month) ≥95% 2. Technical Data Rated Voltage 72V Rated Capacity C1 20Ah Battery Resistance ≤100mΩ Charge Way of Charge CC/CV(Constant Current;Constant Voltage) Standard Charge Current 3A Max Charge Current 5A Max Charge Voltage 84V Cell OverCharge Protection Voltage 4.2V/Cell Discharge Standard Discharge Current 85A can be customized Max Discharge Current 100A can be customized Discharge Cut-off Voltage 60V Cell Overdischarge Protection Voltage 3.0V/cell Ratio Discharge 1C >96%C1 2C >93%C1 3C >90%C1 Cycle Life ≥ 600 Cycles 3. Safety Test Short Circuit Safety Test No fire, No explosion Overcharge Safety Test Crush Safety Test Needling Safety Test Extrusion Safety Test Pictures of DIY lithium battery pack for e-bike : Your attention pls Regarding Discharge connectors of electric bike battery: Normally we lead out only wires for discharge.If you want we can also add the connector for you.But you need confirm which kind connector you want before order. Following are the connectors of ebike battery packs we can normall provide : FAQ Q: Do you also supply thecharger for e bike battery pack ? A: Yes, we supply the standardbattery charger (2A Charger) fore bike battery pack for free.Also the clients can ask for the charger with different charging currents. Q: Can you offer OEM & ODM service ? A: For sure, We would like to offer OEM & ODM service . Q:What cell battery brands are you used to assemble the e bike battery pack ? A: Normally we use the li-ion18650 battery with the brandsSamsung, Panasonic ,LG ,Sanyo Sony and Chinese. Customers are always welcomed to tell the favourate brand, then the favorable price will be offered. Company Information We ShenzhenBote Power Technology Co.,ltd established in 2011 is a professional lithium (lifepo4) battery pack manufacturer for electric bike,electric pedicab,solar system ,electric scooter,electric wheelchair and so on. We also offer OEM & OEM service. Our batteries have beenexported toall over the world with good feedbacks from our customers. Also we have good cooperated forwarder, who can help us ship the goods fast and safe to you; Every lifepo4 battery and battery pack will be strictly tested before delivering out . You are always welcomed to visit our factory ! Our Services 1, About the Transportation 1) For lifepo4 battery ,we ship it via DHL / TNT/ UPS ,DDU servicewith the delivery time 5~7 days ; 2) For electric bike batteries, we have UK Special line and USA Special line ,DDP servicewith the delivery time 10~12 days ; 2.About the Discount if you order the electric bike battery over 10pcs per order, please contact with me for some discounts. 3.About the Payment Terms We accept T/T ,L/C, Paypal etc. payment methods 4.About the Guarantee 1) For ebike battery packs ,we supply 1 year warranty ,if there isany quality problem within one month, we can return the money after you provide the proof.After one month we can send BMS or cell to you for repairing or you can send itback to repair. 2) For headway lifepo4 cells, the warranty is 2 years .During the warranty time ,the batteries can be replaced by new ones for free or refund if there are any quality issues For all the battery we using high quality cell and BMS,we 100% test every battery before shipping.Rest assured purchased!
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