Regarding how to access the board
1) Slide the clamp card out.
The clamp card is secured in place with double-sided tape, but can be removed by sliding it with some force.
②Next, remove the screws and switch parts.
The switch parts are not secured with screws, so they can be easily removed by pulling or turning them upside down.
Remove the screw hidden under the clamp.
Slide the clamp upwards and remove the screw underneath the clamp.
④ Separate the handle and bellows parts to access the circuit board.
By removing the two screws and switch parts mentioned above, it can be disassembled as shown below.
Again, when replacing the battery, please be careful not to get the polarity (positive or negative) wrong.
*USB-TypeC charging is safer as it can be accessed by removing the pommel.
