Parkside Multi-Grinder batteries serviceable?

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Nicholas123

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One of mine is no longer holding a strong charge despite the full three hour charge up.:(

I have noticed that it has four Phillips type screws in the bottom so it must be possible to take one apart.Anyone tried it & is it possible to overhaul/fix whatever goes wrong with them?
 
Nicholas123 said:
One of mine is no longer holding a strong charge despite the full three hour charge up.:(

I have noticed that it has four Phillips type screws in the bottom so it must be possible to take one apart.Anyone tried it & is it possible to overhaul/fix whatever goes wrong with them?
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No experience of this device but it is likely that you'll find a load of tagged batteries inside. I have opened and serviced a few things such as toothbrushes, high intensity lights etc. No problems and the replacement batteries usually seem to be better quality than the originals.

The main problem will be tracking down the correct type. I usually measure them and note anything written on the side before searching. Farnell/CPC/RS etc. are usually a good starting point.

You need to make certain that you do buy the same type so that your existing charger will charge them safely. Take care if you need to solder anything and use a big heat sink to keep the batteries cool.
 
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You can revive them using a car battery of a higher voltage than the rechargeable. If the rechargeable is 18 volt then you will need a 24 volt car battery. Hold the negative battery cable against the negative on the rechargeable and then quickly tap the positive cable on the positive of the rechargeable about ten times. You should find that the rechargeable now takes a full charge again. If the rechargeable is less than 12 volts then you can use a 12 volt car battery.
 
PCUK said:
You can revive them using a car battery of a higher voltage than the rechargeable. If the rechargeable is 18 volt then you will need a 24 volt car battery. Hold the negative battery cable against the negative on the rechargeable and then quickly tap the positive cable on the positive of the rechargeable about ten times. You should find that the rechargeable now takes a full charge again. If the rechargeable is less than 12 volts then you can use a 12 volt car battery.
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That sounds amazing if it's true.The battery is 09.6 volts so I should be able to do it on my boat starter battery.

Have sent off to LIDL to see if they will repair it /sell me a new one as I think it's possibly still under the original 3 year warranty (I had the whole unit replaced after it broke down originally & they very kindly gave me a whole new multi-grinder complete with battery. It's that battery that has now gone duff but they retained the original receipt so I can't be sure). If they won't do it I shall certainly try your method :encouragement: Thanks.

Thanks for all your advice gents.
 
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I believe that this trick can work if it's a Lithium ion battery that's been allowed to discharge too much. However, I think it becomes more dodgy if it has been left fully discharged for too long. It won't repair damage to the battery so won't help if it is just worn out.
 
Mistroma said:
I believe that this trick can work if it's a Lithium ion battery that's been allowed to discharge too much. However, I think it becomes more dodgy if it has been left fully discharged for too long. It won't repair damage to the battery so won't help if it is just worn out.
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It's a NIMH battery whatever one of those is & I think I screwed it by leaving it on charge too long though it never seemed to be as powerful as it's older brother.
 
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