Cordless tool battery

Heyseed

Member
Can these be rebuilt, the two I have stopped taking a charge, New batteries are almost as much as I paid for the whole kit.
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They don't want you to replace the battery,they want you to replace the entire outfit, drill and all! Never quite figured it out, but they make more money that way. After one Craftsman and one Companion set from Sears, that is exactly why I bought my last drill from Harbor Freight. I bought an 18V drill with battery and charger for less than $25.00 and an extra battery for about $15.00. This was about half what I paid for the others. I have had this one for five years and it still works great.
As to your question, I don't know.There may be a way to repair them, but with labor costs it may be too much.
 
I understand that Interstate battery stores offer rebuilding service for them , and there's a chain called Just Batteries (?) that does repairs too ...
 
Bought a new made in china batt. for my Makita impact for 38 bucks and had a 12 volt Dewalt rebuilt for about the same, batteries plus I think it was, they rebuild if it's screwed together. Both batts. have good power but the fit and finish wasn't very good on the China batt., needed some trimming and sanding to get it in the impact.
 
I recently had the same problem. I found a clearance at home depot where you got 2 4ah li ion batteries for $99. Couldn't go wrong. They normally sell the single li ion for $99, so they got half as much money I got twice the number of batteries and got 6x (give or take) the power. Not worth rebuilding.
 
I have bought 18v NiCads from Harbor Freight & put the batteries from them into the case for my Porter Cable 18v NiCads. They seem to work as well and last as long as the originals.
 
I have bought 18v NiCads from Harbor Freight & put the batteries from them into the case for my Porter Cable 18v NiCads. They seem to work as well and last as long as the originals.
 
I have managed to fix a few before . Easy enough if you can get the case apart . Charge the battery up fully then dismantle , check the voltage of each cell with a bulb or other load device and a multimeter . The bad ones will be obvious ; usually only one or two , and will have a much lower voltage under load , usually less than half of the others .
Take these out and replace them , I have found that the batteries usually last for years after this , new cells are about $4 each , a lot cheaper than a whole new battery.
 
Is your tool worth $41.85?

I will never rebuilt a battery.

I will never pay someone to rebuild a battery,

I will never buy a Ni-cd battery, don't last.

I bought two Li-ion batteries for my dewalt, expensive and one didn't last very long. I will never buy another one. They don't have much of a punch.

I have 5 Ni-Mh 3000ma-hr after market batteries. One is 7 years old and still working better than a new Li-ion.

You can even buy a square deal to get a 3 year warranty. If you use your impact, like I use my dewalt impact, you'll find this is the only battery you will buy in the future.
best type cordless battery.
 
I was told Li-ion batteried require a special charger that shuts off when battery is charged, mine does. Something about Li-ion batteries, thermal run away. You can't even mail a Li-ion battery, USPS. They think they cause fires. Some airplanes had issues using them.

Did you get a special charger for Li-ion batteries or are you using your old charger?
 
Hello Heyseed,


Try this!. Put the pack in the charger. Now unplug and plug the charger several times while the pack is in it. This sometimes spikes the pack and will start charging. If that doesn't do it try this. Look at the R pack, + is on the right,3 o'clock position, - is at 9 o'clock position. The 6 o'clock is for the overload thermistor. With a car charger or a 12V battery tap the pack observing polarity several times. Usually this will do the trick. Post back if you get lucky.
I get my free batteries at the local box store recycle bin. Bring back the bad ones for recycling,


Guido.
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7-8 years ago a purchased a Ridgid Tool kit with a lifetime warranty on everything INCLUDING the batteries.So far I have not replaced any tools but I have replaced a few batteries. Cost to me $0.00. The only issue is you have to register them and the tool can be on the heavy side.
 
"it still works great." Compared to what? I've owned 6 or 7 Harbor Freight cordless drills over the past ten or fifteen years. They used to sell a 14.4 volt drill that was quite good, and I've also had good luck with their 12 volt drills. But the 18 volt drills always seemed woefully underpowered, and the batteries would lose charge even if you weren't using them. By having a decent corded drill as a backup for when light duty wasn't enough, I always got by with the H.F. 18 volt drills. It's when you work side by side with someone who is using a Ryobi, Makita, DeWalt, etc. that you really notice that you got what you paid for.

Stan
 
Stan,I cannot argue your point. I have two or three corded drills, but I like to keep a cordless in case I have to drill a hole or two some distance from an outlet. I detest stringing extension cords. My 18V drill from HF is about four or five years old and so far the batteries hold a charge well. I used it last week for the first time in a month with no problem. If I depended on it on a daily basis, It would be a different situation.In the early nineties, I drove a truck for a commercial drywall firm, and noticed most of the installers used either Makita or Ryobi units. Many of them had two, charging one while using the other. But when I need it only once in awhile, the HF unit has performed better than the others I mentioned, and replacement batteries cost much less.
 

Throw that battery out and get a lithium ion battery pack to replace it. You won't regret it. I've been using one on a drill and it's still showing a full charge after a year of light use. They work fine on the older tools. The old NiCads would never last that long, they discharge just sitting. I have several Ryobi battery-powered One Plus tools and three Lithium batteries for them. Get the P108 high capacity one, lasts much longer. On second thought the InteliPort (Li compatible) charger might bring back your old NiCad battery, it still won't last too long but will charge up some as a last chance back up.
 

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