manufacturer sale 36v battery electric bike with charger Grade A 18650 battery

Specs. 

This model named frog battery.They are with standard chargers, keys, and other accessories.
 Feature 

1.Long life, large capacity and good shock resistance

2.Low self-discharge and good discharge performance at low temperature

3.Strong charging acceptance and quick-charging capability

4.Strong over-discharge resistance and charge retention

5.Maintenance-free and no acid or water for maintenance in usage

6.Excellent large current discharge performance, and have obvious advantages in startup and climbing

7. High temperature performance

8. Environmental friendly

9. Lighter weight smaller size

10.Most safe no explosion no fire