Question about Norelco 7886XL Electric Shaver

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Replace a Norelco battery for 7825XL

My manual is supposed to have battery replacement instructions but they are not in the manual pages. I can open the shaver to access the battery but need a clue to get it our safely. Can anyone help?

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Re: Replace a Norelco battery for 7825XL

Just de-solder the red and black wires and pull out the battery. Put it in a plastic bag to stop it shorting out on anything metal or cover the terminals with tape. The battery must be recycled properly as it contains toxic cadmium. As long as the battery is not leaking then it poses no threat to you. Refitting the new battery is just as simple, re-solder the red wire to the +terminal and black to the -terminal. Be sure to charge the razor as you would a new one i.e. 8 hours. Hope this helps.

Posted on Oct 01, 2007

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Trust this helps,regards Alan
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1 Answer

Hwo do you change out the rechargeable batteries? Is it worth the trouble or just buy a new one?

You will find batteries for model 7825XL at See link below

To replace, you will need to remove the back cover by removing the two screws on the back. You will then need to remove the two metal clips inside so that you can access the battery pack.

Batteries are soldered to the circuit board but for easier replacement, it is sometimes suggested that you use a modified installation technique. This is to break the tabs off of the old batteries rather than unsoldering them from the circuit board. This allows the old batteries to be removed but leaves the tabs attached to the circuit board. You can then solder the tabs from the new batteries to the old existing tabs

If you are not able to do this repair yourself, Shaver Outlet can do it for you. See link below

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