Reviving a dead NiCad battery

UPDATED! : I’ve added a photo to the battery terminals, see below.

Recently my trusty Black & Decker Quatro drill/driver/saw/sander started misbehaving.  It’s been great for years and gotten us through a lot of DIY and IKEA modification.  But now it could barely manage to cut a 15cm length of 1cm chipboard.pict0027

Time for a bit of investigation.

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