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Replacing batteries on Cordless Phones
Bald1
Posts: 405 Forum Member
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Ok, I apologise in advance if this sounds dumb.
I have 3 Cordless Telephones in my house, Philips CD23 something or other. The batteries have needed replacing for some time and I finally got round to it last week.
I unregistered 2 of the handsets so I could charge them up with out any interruptions, remembering that when I bought them they had to be charged for 24 hours before first use.
The batteries it came with were 650mah and the new batteries are 700mah as I can't seem to find any 650mah anywhere.
The problem is that after 24 hours the battery indicator was still showing as charging (the bars going up) and I am sure that this normally stops well before the 24 hours. I left them for nearly 36 hours and it was still going up. However I took them off the cradles and then put them back and have used them as normal and the indicator has now stopped and is showing as normal.
What have I done wrong (if anything)?
Why didn't the indicator stop charging?
Please help
I have 3 Cordless Telephones in my house, Philips CD23 something or other. The batteries have needed replacing for some time and I finally got round to it last week.
I unregistered 2 of the handsets so I could charge them up with out any interruptions, remembering that when I bought them they had to be charged for 24 hours before first use.
The batteries it came with were 650mah and the new batteries are 700mah as I can't seem to find any 650mah anywhere.
The problem is that after 24 hours the battery indicator was still showing as charging (the bars going up) and I am sure that this normally stops well before the 24 hours. I left them for nearly 36 hours and it was still going up. However I took them off the cradles and then put them back and have used them as normal and the indicator has now stopped and is showing as normal.
What have I done wrong (if anything)?
Why didn't the indicator stop charging?
Please help
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Comments
If the charger has damaged the batteries in any way (unlikely) then you'll soon find out as they probably won't run as long as you expect. But if they work OK and last at least as long as the originals before losing charge then everything should be OK.
Most current cordless phones use Ni-MH (Nickel-Metal Hydride) batteries but there are still a lot of Ni-Cd (Nickel-Cadmium) batteries around. So your first job is the check that the new batteries are the same type as the old ones. (The capacity, xxx mAh don't make no neverrmind although these days they are mostly 700 mAh.)
Well I have made sure the batteries are the correct ones and have noticed that the charging indicator isn't going up all the time so I think they have setttled in. I am now able to use the phones without them cutting out or dying so I will say things are ok.
Thanks for your help.
Aldi's batteries are 850 mAh methinks at £2.80 for 4.
1000 mAh are fairly common over the internet though a slight less capacity might ensure better manufacturing quality
Chargers measure the charge voltage so they should cope with any capacity.