【Fast Delivery】The Ebike battery will be shipped from CA/GA, You will get your electric bike battery with in 3-7 business days normally.【Ebike battery specification】This Ebike battery is 36V 10Ah, compatible with 200-500W motor. Max constant discharge current: 20A. It comes with battery 42V 2A charger . The upgrade battery with light indicator, you will know the battery power clearly..【Waterproof Battery】The outer layer of the battery pack is made of waterproof PVC material, insulation, anti-corrosion and wear resistance . The inner layer has the advantages of low melting point, waterproof seal and high adhesion.For the battery life, please put it in a bag or a case when using..【Long life time】Every Lithium battery have pass the QC appearance and function test before shipment. The Ebike battery charge cycle exceeds 1000 times, life expectancy of up to 5 years. Standard connector with #5 connector(T plug). If you need other connectors, please contact us..【Warranty】30 day free return, 1 year quality assurance, if the ebike battery damaged within one year, we offer free repair service in USA. For any question just let us know.