Electronics > Repair
Change Battery - DashCam
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vidarr:
This is plugged in with no battery.
vidarr:

--- Quote from: Whales on July 03, 2024, 03:37:27 am ---
EDIT: You had me worried that the soldered battery you show in the photo is supposed to be 6000mAh :D  No that's just a different one you tried, the blue one is the 6000mAh  :phew:

--- End quote ---

The blue battery is 3.7V and 6000mAh and is in really good shape. 

The original battery is 3.7V and 200mAh and is now even worse. It holds a charge for less than 5 mins.

Now you got me nervous... I can use the blue battery right?

I am working on this right now actually.

Thanks!
Whales:
Yes the big battery should work fine, just make sure you wire it correctly. 


--- Quote ---I tried several batteries, but cannot get it to turn on with any of them, unless it is also plugged in. Interestingly, the charging battery display on the screen shows that those batteries ARE charging though.
--- End quote ---

Try measuring the voltage of the batteries whilst you put a small load on them.  Perhaps they're super weak and their voltage collapses.
tautech:
Defpom repair vid might help you:

vidarr:
This (the video) is essentially the same thing I am attempting to do.

I got the blue battery attached to the protection circuit from the original battery. I plugged it in and it is charging.
It charged overnight, but when I turned it on and unplugged it, it turned right back off.
Testing the blue battery and it seems to be OK (I don't have good testing equipment though, just a cheapo DMM). I am going to attach it to another device I have that requires the same power and see how it goes.

"Try measuring the voltage of the batteries whilst you put a small load on them."

I just read this now and will try it. I may just have a battery problem.

Thank You!

I re-soldered the blue battery to the protection circuit to the main board and it works now. IDK why, but glad it does.

Now, I wonder if the single battery can power two dash cams at the same time.

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