How do you replace the battery in the Philips Norelco 7110X

I want to know where I can get a replacement battery (reasonable) and how to get it out of the shaver. Thanks

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Here's a helpful video on how to replace the battery, and instructions for opening the shaver (since it's not included in the video).

In the video, he says to double-check that the batteries you get have all the same specs as the ones you're replacing. These ones from Amazon look like a good match, but double-check. I didn't see 7110x on the compatibility list, but it does say that it's a partial list.

Good luck!

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@dada1111 remove the two screws on the back and the case will come apart.

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On the inside you will find 3 more screws to remove. The battery is soldered to the board and stuck to the board with adhesive tape. Use a soldering iron to unsolder the two tabs that connect the battery to the circuit board. You may need to break those tabs of the old battery and solder them to the new battery to connect it to the board. As for where to get the batteries and reasonable, that will depends on where you are. Something like this is what you are looking at.

If you get stuck at any point, do not force anything. Just post some images of where you are with this, with your question. Use this guide Adding images to an existing question for that.

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Im sharing for future viewers. The OEM or similar batteries sell for $20-40 on Amazon. Just look for search words nimh aa rechargeable batteries solder tab. I found a single battery for $6 that was actually 2000mAh (mAh will determine how long the battery will hold the charge). However, if you manage to carefully pry the solder tabs off the old battery with a razor blade and they are still connected to the board, you can literally use any rechargeable AA NIMH battery. (But dont substitute NiCAD or Li-Ion because the circuit board wont work properly with them and expecially the Li-Ion in place of NIMH could over heat).

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It worked for me just fine!


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