Whirlwind – C4 – User Manual – P. 8
4. Battery Removal
The Electric bike will have the battery already inside of the main shaft so there is no need to install it. However,
please see instructions below showing how to remove the battery for maintenance.
4-1. Turn off the power, unlock the frame by lifting the
folder lock as shown
4-2. Unfold the frame by turning each end in separate
directions. To unlock the battery with screwdriver,
loosen the screws on plate and bottom of frame
4-3. Remove the charging terminal cable, pull out battery
box from the main frame.
4-4. To re-install the battery, install the charging port
cable, push the battery into the main frame, fix the
charging port with hot melt gun , then lock the battery
using the screwdriver, unfold the bike and lock the
frame using the Folder lock.
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