rechargeable batteries for cordless drills

2 again, plenty of places repack the existing pack or look on fleabay for replacements.

Check the battery shops, they often have replacement packs that are cheaper than getting them repacked.

I bought a couple of knock off batteries a few years ago for my Makita cordless. They have been better than the originals. They are still going strong but the old drill is nigh on knackered.

My old Bosch batteries died, the old Ni type, off ebay I picked up 2 Lithium batteries for half the price of one original. It’s great to need the drill for a quick job and the batteries are still usable after their last charge 2 months ago.

fark was pissed last nite, the Makita is 18V 1.3Ah Ni Cd

I presume I can increase the AH but not the voltage as in the Metabo? Bloody Metabo might be going into hibernation all batteries are different design…dont understand that means I have to get a new charger as well. Stuff it think I’ll buy a newey.

I’m pretty sure you can charge NiCad and Ni Mh in the same charger, well, I do with AA’s and no dramas (yet).


"Can I use an older NiCd battery charger to charge NiMH batteries?

The answer to this question depends on the type of NiCd charger. Depending on the type of NiCd charger you have, the older NiCd charger may undercharge NiMH batteries (most likely), it may overcharge them (less likely), or it may charge NiMH batteries properly (but it’s not likely to do so automatically and could take a very long time). Let’s take a look at the three cases.

Many of the older NiCd chargers are the simple timed type charger which will charge batteries for a fixed amount of time and then shut off. Unfortunately, since NiCd batteries have a much lower capacity than NiMH batteries, the timer is likely to shut off long before the NiMH batteries are fully charged. This won’t harm the batteries, but the NiMH batteries won’t be fully charged since the timer will have stopped the charge cycle too soon.

Also common among older NiCd chargers are the so called “overnight” chargers which charge batteries at a low rate as long as the charger is plugged in. This type of charger can fully charge NiMH batteries, but it might take a very long time to do so. It’s possible that an old NiCd charger could take as long as 48 hours to fully charge new high capacity NiMH batteries! This type of charger is not likely to damage NiMH batteries unless the batteries are left in the charger for weeks at a time, but it may not be very convenient to use. If you have this type of charger you can get an idea of how long you’ll need to charge your batteries by using the calculator found above.

The final possibility is that the older NiCd charger is a rapid charger that will charge NiMH batteries but will not have the necessary circuitry to stop the charge cycle once the NiMH batteries are fully charged. If the NiCd charger is designed to charge batteries in less than two hours it may be this type. In this case the risk is that the older charger will overcharge NiMH batteries. This will be apparent if the batteries get very hot during the charge cycle. (It is normal for NiMH batteries to get warm as they become fully charged, especially in a rapid charger). If the NiMH batteries get too hot to handle and stay that way for more than 20 or 30 minutes, then the NiCd charger is most likely overcharging the NiMH batteries and may shorten their life. You would be most likely to encounter this type of charger if the charger was designed for rapid charging radio control (RC) vehicle batteries. We would recommend that you not use an NiCD rapid charger to charge NiMH batteries.

I’m using the old NI charger on the Lithium Ion batteries, no problems.

Try this mob , note ali express not ali baba I got a makita replacement for $30+ a couple of years ago and its never missed a beat

0_1514698875611_ali express2.jpg ![alt text](image url)0_1514698899783_ali express.jpg

AliExpress is great, we’ve bought a heap of stuff from the site. Free shipping tends to be a bit slow which is the only downside.

I need to dig into this.
Got a new electric mower, ryobi, but the 18V one wasn’t going to cut it.
So the plan of having only battery size to feed failed.
The price of branded ryobi 36V batteries looks excessive

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