4 Pins 36v 10ah Ebike Battery Pack with Charger Lithium Ion Battery for 750W Electric Bike

4 pins 36volt 10ah ebike battery pack bicycles battery with 2a charger 30A BMS 36v lithium battery 200W to 750w for adult electric bike electric tricycle motor electric wheelchair. 36v electric adult bike battery can still have 80% capacity remaining after 800-1500 time cycles. 36v rechargeable battery has been tested for charging and discharging to ensure the cells quality. Our engineering test battery pack has worked on our electric bikes for more than 3-5 years. IP65 water-resistant case for rainy day riding. But do not in contact with water directly. Bicycle battery is protected by sturdy plastic case, customized keys to anti-theft ,lightweight and easy to carry. Safe lock-Use to lock the battery on the frame. Only two keys per battery. Please make sure to keep the key, it can’t be replaced if lost.Any problem about the installation, please advise us freely.