Bosch battery drill/bit PSR 9,6 VE-2 battery pack repair

crwdns2936071:01crwdne2936071:0 — Remove the screws and lift the lid

Loosen and remove the four screws with a Torx T 10 screwdriver (in a pinch you can use a flat screwdriver).

crwdns2936071:02crwdne2936071:0 — Remove the battery pack

Remove the red tabs by pressing them in, the metal springs may drop out of their positions but are easy to reposition.

crwdns2936071:03crwdne2936071:0 — Measure the cell voltage

Take a picture of the cells' layout for reassembly.

crwdns2936071:04crwdne2936071:0 — Removal of working cells and reassemble together

the (welded?) connections between the cells can be pried off as best as possible with a flat screwdriver and then separated with pliers

crwdns2936071:05crwdne2936071:0 — Reassemble and charge

Measure the total voltage of the assembled cells. It should be 7V or more.