⟐ Commented May 11, 2026 at 7:25 MST

I let the toothbrush off for few minutes and after that, it starts working again at full speed like fully charged battery until few minutes of using it that the metal end gradually gets vibrate weaker and eventually stopped working again. Note that I didn't put it in the charger. I let it cool down for a while and the cycle repeats. Hopefully someone can help me. Thank you.

⟐ Answer edited May 09, 2026 at 16:26 MST

This is an expensive water flosser, so buying a new one isn't attractive. It's out of warranty. Can anyone give me a hint or a link for disassembly of this device?

⟐ Commented May 09, 2026 at 12:12 MST

I own a Theragun Pro, and unfortunately the batteries no longer charge. The charger is working properly, so the problem is the internal batteries in the battery compartment.

Can anyone give me advice on how to open the battery compartment to replace the internal batteries without causing any damage?

I'd be sad to no longer be able to use the massager, since it still works perfectly.

Thanks to anyone who can help.

⟐ Commented April 30, 2026 at 10:27 MST

Mine has just stopped taking charge.

Oh, the on button is broken as well...

EDIT:

It's the Theragun Elite (https://www.therabody.com/uk/en-gb/elite...) from a few years back - there is no swappable battery. Will post pictures tomorrow.

EDIT 31/12/2024

Still not completely given up and still massively encouraged and grateful for commenters so far - thank you.

Found this page that shows the battery in question but I can't read the langauge so no idea...I can't find a replacement battery, sadly.

10.8V锂电池组，6V电源适配器，数显光纤放大器 - 〓器材友情交换〓 - 矿石收音机论坛 - Powered by Discuz!

Theragun Elite (white) pictures to support recent teardown efforts.

Still not found a battery source.

⟐ Commented April 29, 2026 at 8:58 MST

Does anyone have suggestions for an alternative method of charging these batteries? Based on the teardown, there are 4 18650 cells connected in series. The battery pack has 4 terminals B+, B-, NTC+ and NTC-. After a short search, the NTC contacts are for a thermistor to monitor temperature during charging and discharging. The cell says that it rated for 14.4V DC and the charger states that it outputs 16.4V from a 20V DC brick that is plugged into it with a barrel connector.

Does anyone know of a charger that is well suited for this kind of battery pack? Amazon does not have anything particularly promising.

Im hoping to design 3D print a new dock if I can find an appropriate charger. I would be happy to share my work with the community here too. There are lots of people with these issues.

⟐ Edited April 26, 2026 at 12:13 MST

As far as I can tell the only difference is the NiMH has a much higher capacity (2300 mAh compared to like 750 for the old one). Is there any reason to think a NiMH wouldn't work?

⟐ Answer accepted April 22, 2026 at 11:49 MST

My Conair pro airbrush turns on but doesn’t rotate.

Please guide me on how to fix it thank you.

Thank you

⟐ Commented April 20, 2026 at 21:53 MST

⟐ Answered April 14, 2026 at 7:44 MST

Also the adapter link if someone have of Syska HT4000K.

And also Can we change the charging port of the Syska HT4000K to Type-C?

⟐ Commented April 02, 2026 at 23:48 MST

⟐ Answered April 02, 2026 at 7:02 MST

⟐ Commented March 31, 2026 at 11:10 MST

⟐ Answered March 21, 2026 at 5:12 MST

⟐ Commented March 17, 2026 at 12:57 MST

I would like to ask how to change the battery on Philips hair clipper DIY QC5580

Please help

⟐ Commented March 10, 2026 at 21:33 MST

⟐ Answered March 10, 2026 at 16:45 MST

I woke up this morning and was going to brush my teeth but as I was brushing the brush head came off and I saw that the small metal tip that you attach the brush too had come loose, see attached pictures.´

http://i.imgur.com/JHrre5O.jpghttp://i.imgur.com/i1H7kgN.jpg

Any way to fix this?

⟐ Commented March 08, 2026 at 12:10 MST

⟐ Answered March 04, 2026 at 7:30 MST