48v 15ah lithium ion electric e bike battery hailong ebike with 30a bms for 750w bbs02 1000w bbshd bafang bicycle motor

1. with usb port can charge cell phone and bluetooth speaker 2. new slim shark style case battery with power button 3. convenient charge port support 4a faster charge 4. waterproof and solid plastic case 5. lighted battery led power indicator 6. lock with keys securely locks the mount on bike frame