Cordless drill with a cord

[DIYSwede]

Biltema batteri?

(tror jeg ville beholdt rammen(drill holder...) eller i det minste en plate der batterisporet var, gir mye stivhet og extra styrke...)

Thanks for your comment, MasterMaker - the SLA came 2nd hand from a server UPS at work,
where the IT guys change them every 2nd year, irrespective of their actual status.
I wouldn't buy a SLA as I don't have to, I've literally got dozens.
(For non-Nordic readers: "Biltema" is the AutoZone cousin of Scandinavia)

There's usually just one bad battery in an UPS series connected switch-pack,
so I usually just bulk charge them in parallel for a few days,
and see which one will get warm/ "has swollen" or otherwise won't keep the charge.
Then a capacity test thru a 10-12 A load where discharge time is measured 'til it has come down to 12.2 V.

I usually get another 3-4 years of service from the good ones if I just keep them topped up thru constant voltage charging.
For this I've made a few 5-10 W wall-warts just trickling out 13.95 VDC @ < an amp.
If a battery bogs down there it'll just be replaced.

I've restocked old NiCads, NiMhs in small stuff for decades - but for these tools I need the 3 benefits listed above in post #31 .

Cheers

Johan