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| New life to old 24v Bosch drill? |
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| vtsteam:
Actually it can. Though not necessarily using the electrical energy stored -- but gas pressure. Overcharging can also cause a fire by overheating the pack, without bursting. Lithium cells on the other hand can truly explode from the massive electrical energy stored shorting in combination an internal construction using combustibles. |
| BenH:
--- Quote from: loply on December 09, 2014, 06:12:42 AM ---Hi folks, I've got an old Bosch GBH 24 VRE drill which has both a battery with little life left, and a broken charger. The charger flickers on and off and makes weird noises, the battery is ancient so didn't hold much charge anyway. I'm wondering if I could convert this drill to run off 240v instead? Anybody know if it's likely to have a universal motor, and if so whether I could simply wire up the battery terminals (there's only two...) to 240? The trigger is a variable speed one so I don't know how that would factor in to the equation... Unfortunately they no longer sell batteries or chargers for this model, it was superseded by another with the same mode number but a different shape... Cheers, Rich --- End quote --- They are nice drills used to have a company supplied one, does it have the rectangular packs or funky romboid shaped one? Anyhow I've recelled all of my Milwaukee 18v and 14.4v over the last few years and use them daily, certainly works out cheaper then replacing the whole lot as they were quite expensive when new but I dont expect to get anonther 10 years out of them. If they are just the normal 'sub C' cells in the packs it's not too bad to do, I went for a upgrade as such and went from 2.0ah Nicads to 4.3ah Nimhs but my chargers were suitable for Nimhs already. |
| John Rudd:
Ben, Where did you buy your cells from please? |
| BenH:
Hi John I got mine from www.vapextech.co.uk/ certainly not the best cells in the world, I did find the shrink wrap a little thin on them so had to give them all extra wrap to stop shorting which made it very tight in the packs. I did have a single cell leak but I think that was more down to a short from a loose solder blob, with a new cell in they have been ok so far and a lesson learned :doh: |
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