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crwdns2936071:01crwdne2936071:0 — Unscrew screws
Loosen 4 screws size Torx T10. The screw size is identical for all four screws.
crwdns2936071:02crwdne2936071:0 — Detaching the type plate
Loosen the nameplate on the bottom of the screwdriver and set it aside so that the right housing part can be removed in the next step.
crwdns2936071:03crwdne2936071:0 — Open housing
The housing halves now lie loosely on top of each other. Lift the right housing half upwards and set it aside.
crwdns2936071:04crwdne2936071:0 — Locate battery
The green battery can be found in the red border.
crwdns2936071:05crwdne2936071:0 — De-Soldering the battery
Heat the cables at both pole ends with a soldering iron and detach them.
crwdns2936071:06crwdne2936071:0 — Soldering of the new battery
Connect the side of the new battery with the white ring (positive pole +) to the red cable. Solder the blue cable to the other side (without the white ring).
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