【Parameter】Built in 5000mah this ebike battery is 52V 25AH, suitable for 1500W/1200W/1000W/750W/500W motor（50W-2000W） motor. Size: 368*96*125MM

【Downtube Battery】 High quality battery cells and equipped with a BMS protective plate, prevent over charge, over discharge, over current and short circuit and ensure the long term use of your Bike Motor and your ebike battery. LED battery level light can inform you of charging in time! The usb port might be useful for emergency use, can charge phones and other devices, awesome design.

【Long Battery Life & SAFE】 After fully depleted, it can be recharged to 100% full in 8 hours. Built-in high quality brand lithium cell, battery cycle life up to 800-1000 times, life expectancy of our electric bike battery up to 5 years. Our li-ion battery has been though thousands of time repetitive discharge and safety test, you can use it without worry.

【Perfect Compatibility】 Our battery can fit most motor kits(compatible with Bafang Voilamart AW and Other) Best choice for adult electric mountain bike, commute ebike, hybrid bicycle, e trike, fat tire bike. Strong motivation to ensure your long-term travel.