2000W 48V 20.3AH electric bike battery motor li-ion lithium battery electric scooter with charger BMS Specification: 48V 20.3AH Bike Li-ion Battery with PVC Case,BMS and Charger: Recommend to use for 48V 200W, 48V 250W, 48V 350W , 48V 500W 48V 750W 1000W 1500W 2000W Battery Model 48V 20.3AH Voltage 48V Capacity 20.3AH Cell Type 13S7P 18650 2900mAh 3.7V Cell BMS (Built-in) 50A Charge Way of charge CC/CV Standard charge Current 2A Max charge current 5A Charge Cut-off Voltage 54.6V Cell Overcharge protection Voltage 4.2V/CELL Discharge Continuous Discharge Current 50Amp(Max) Peak Discharge Current 150Amp Cell Overdischarge Voltage 3.0V/cell Discharge Cut-off Voltage 39V Cycle Life More than 600--800 times Safety test No fires ,No explosion Over charge Safety Test Crush Safety test Needling safety test 130 C high Temperature safety test Weight About 5kg Size can customized Fit motor power 100W-2000W(MAX) Working Temperature 0Cmdash45C -20C---65C Retention of charge >95% Charging time 10--11 Hours Application E-Bike,E-motorcycle,E-scooter Warranty One year Parts included: 1. 48V20.3Ah Lithium Battery with PVC case 2. Built-in BMS board 3. Charger (54.6V 3.0A) Note: The size can be changed shape according to the requirement Battery have overcharge, over discharge, over current, short circuit, charge equalization of automatic identification and protection circuit Advantages: middotFast charging Large overcharge tolerance and safe performance middotSelf balance middotSimplifying battery management system (BMS) and battery charger middot1000 times cycle life middotHigh temperature performance Applications: middotElectric Vehicles, such as E-bike, E-scooters, E-cars, E-bus; middotElectric boats, such as trolling fishing boat; middotRobots for industries and military; middotRemote data transfer system; middotSatellite communication station; middotUn-manned submarine; middotUn-manned aircrafts; middotPower tools, such as drilling, cutting and polishing tools; middotPower station for low temperature application, such as -40; middotPower supplier for Training systems, such as Torpedo Trainer Certification NOTICE: 1. When the voltage between the two electrodes is over 36V, the safe voltage of human beings, do not contact the positive and negative terminals of battery pack with body. 2. It is strictly forbidden to immerse the battery in water or seawater, keep the battery in a cool and dry surrounding if it stands by. 3. Do not expose in the sun. 4. Do not expose in the rain or snow. 5. Do not use or leave the battery near a heat source as fire or heater. 6. Use the battery charger specifically for that purpose when recharging. 7. Do not reverse the positive and negative terminals. 8. Do not plug in the battery electrodes to an electrical outlet. 9. Do not discard the battery in fire or a heater. 10. Do not short-circuit the battery by directly connecting the positive and negative terminals with metal objects. 11. Do not transport or store the battery together with metal objects such as hairpins, necklaces, etc. 12. Do not strike, trample or throw the battery. 13. Do not directly solder the battery and pierce the battery with a nail or other sharp objects. 14.Do not use the battery in a location where static electricity and magnetic field is great, otherwise, the safety devices may be damaged, causing hidden trouble of safety. 15. If the battery gives off strange odor, generates heat, becomes discolored or deformed, or in any way appear abnormal during use, recharging or storage, immediately remove it from the device or battery charger and stop using it. 16. In case the battery terminals are dirty, clean the terminals with a dry cloth before use. Otherwise poor performance may occur due to the poor connection with the instrument. 17. Do not expose to temperature above 60degC or heater; 18. Do not use the battery pack connected in series or parallel About Us Zone Green Power CO.,Ltd is a professional battery manufacturer in China, provides a full range of primary lithium batteries, Electric bike li-ion battery pack,rechargeable lithium batteries, Ni-CD, Ni-MH batteries, and battery packs for industrial, commercial, medical and military applications. Zone Green Power's manufacturing and facilities are ISO9001:2001 and ISO14001:2004 registered. Our products are compliant with CE, RoHS and have passed UN transportation testing. We are committed to total quality control and to achieving the quality level demanded by our customers. Shipping We Ship your orders within 2-4 business days after the payment cleared as we have almost all items instock. EMS:Item shipped from EMS, reach most of the countries within 6 to 15 days. TNT:Item shipped from TNT, reach most of the countries within 4 to 7 days Quality We are professional Electric bike battery supplier on aliexpress, We have perfect production process and all kinds of scientific management tools to control the quality,such as Six Sigma,PFMEA,CP,SPC and so on.The battery is brand new and every single item you buy from our company has been compeletly tested before shipping , after several times of testing , so we can guarantee the quality. Service We are willing to answer any questions about the products no matter Pre sale or after sale. We care about our customer satisfaction! If you have any question,pls contact us directly or leave us message,we will reply as soon as possible. Refund When you received the item, please check the quality and quantity in time. if there is any problem in 7days,Feedback the reason where it gets wrong to us. we will resolve it asap,If the products still can't work,We will send new replacement or refund once the item is received. Feedback Feedback will be left in a timely manner after feedback has been received. Should there be any problems with your purchase, please do not leave neutral or negative feedback before contacting us for resolution. We strive to make every transaction a positive experience and will do everything possible to correct any problem. Please don't hesitate to contact us if you have any questions or concerns before or after your purchase. We are committed to your 100% satisfaction. 
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