- Short press the button battery power on
(LED light turns off after 5 sec, but battery
output is still standby)
- Long press the button for 3 sec. (at LED light
turn on condition) battery power off
- When switched on the power will continue
12hours (output standby status)
- After 12 hours without output, the battery
power will totally turns off (No matter the
battery is on or out of the bike)
Inserting the Battery
2.Slide the battery along
the battery rack
1. Insert the key and
switch it to unlocked
3. Make sure that the
battery slide to the
bottom and fit in the
controller
4.S
witch the key to
lock the battery
Inserting the Battery
2.Slide the battery along
the battery rack
1. Insert the key and
switch it to unlocked
3. Make sure that the
battery slide to the
bottom and fit in the
controller
4.S
witch the key to
lock the battery
Inserting the Battery
2.Slide the battery along
the battery rack
1. Insert the key and
switch it to unlocked
3. Make sure that the
battery slide to the
bottom and fit in the
controller
4.S
witch the key to
lock the battery
Inserting the Battery
2.Slide the battery along
the battery rack
1. Insert the key and
switch it to unlocked
3. Make sure that the
battery slide to the
bottom and fit in the
controller
4.S
witch the key to
lock the battery
Switch Button
LED light shows five bars, each
bar indicate 20% capacity
1. Insert the key and
switch it to unlocked
2. Slide the battery
along the battery rack
3. Make sure that the
battery slide to the
bottom and fit in
the controller
4. Switch the key to
lock the battery
Electrical System Technical Manual
4
4
5
INSERTING THE BATTERY
BL21 WITH SWITCH BUTTON