Battery Rebuild

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Old 03-26-14, 11:09 AM
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Battery Rebuild

Anyone familiar with rebuilding rechargable batteries?
 
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Old 03-26-14, 11:21 AM
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I assume you mean like packs for cordless drills?

I've done it, but only because I found the cells that fit my Ryobi packs on closeout. Otherwise it's really not worth the work because the cells cost almost as much as a brand new pack.
 
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Old 03-26-14, 11:46 AM
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Found HF batteries on sale that had correct cells for my batteries. Switched the new cells into my case (required soldering new connectors) and still going after 3 years.

RR
 
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Old 03-26-14, 05:30 PM
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tonka88 do you have a specific question about rebuilding battery packs?
 
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Old 03-31-14, 04:17 AM
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I have done it required a special hollow post drill and you use lead not solder to weld the new cells into the battery. The official way is with welding torch however I used a air arc rod and the power from 5 adjacent cells.

It is extremely dangerous the hydrogen gas can explode used a fan to try to disperse any gas but it can still go so its a case of wearing rubber stuff goggles the lot and having water near by to wash off acid if it does go bang.

Would never bother with a car battery only worth doing with fork lift batteries.

The Ni-Iron are easy they just bolt together.
 
 

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