The battery on my trusty Workzone multitool has given up, and I can't find a
replacement. I see Aldi have one on sale, but at £70 it's fairly pricey for
their stuff.

Any recommendations? I see Makita and Bosch have mains versions for about
£100, and the main variable appears to be proprietary blades (I'd rather avoid
unless they're a reasonable price). I could be persuaded to go cordless, but
I'm not happy about adding yet another battery/charger type to my collection -
and I doubt the cordless tools I've got (all Lidl/Aldi) fit current models.

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Cheers, Rob