Anti-theft battery lock:
A quick-removable hidden battery lets you charge the battery pack on or off the frame.
Euybike battery is equipped with a battery lock to ensure your battery safety.
Built-in universal battery:
K6 special battery:
1. Can be locked and removed with the two keys provided
2. Suitable for 16-inch K6, 20-inch K6
3. Weight: 6.83 lbs
4. Voltage: 48V
5. Total capacity: 10 Ah
It works just like the original battery in EUY ebike. I've recharged it about 5 times now and have ridden about 60 miles while using it.