Replacing rechargeable Epson 3D glasses battery - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 11 Old 10-15-2016, 03:27 PM - Thread Starter
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Replacing rechargeable Epson 3D glasses battery

The battery on one of my pairs of Epson 3D glasses (model ELPGS03) no longer takes a charge. I took them apart and found a battery that had "3.7V .15Wh" on it. After doing a little research, I was able to find that the ".15Wh" is the watt hours and the amperage is 0.040540540540541, or about 40mah. I found 3.7v, 40mah polymer lithium ion batteries for sale on the web. Is this the same type of battery used in the glasses? It seems so, but I have never heard of "polymer Lithium Ion" batteries. I had been charging my glasses from a computer usb port, but there are a lot of warnings with these batteries about how they are charged and how the upper limit for charging is 4.2V. Can these be used as a replacement? I attached a pic of the existing battery. Here is an example of one of the sites selling batteries: https://www.sparkfun.com/products/13852

I would appreciate any help.

Thanks
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post #2 of 11 Old 11-03-2016, 05:58 PM
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Unhappy Not Any Help Just More Problems

I have the same problem with my Epson 3D glasses (same model). How did you get them apart? I would also like some help with battery replacement.

Sorry couldn't help more
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post #3 of 11 Old 12-06-2017, 10:31 AM
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Red face Have you ever been able to replace the battery?

Have you been able to replace the battery?

I got into the same situation. Two new pairs of Epson 3D glasses are dead on delivery!!
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post #4 of 11 Old 01-12-2019, 09:12 AM
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resurrecting the thread! I took the leap and ordered a couple of these batteries:

https://www.digikey.com/product-deta...045-ND/8680975

They are a bit thicker than the original batteries but they do fit fine in the casing. The replacement does require you to know how to solder, so it's not for everyone.
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post #5 of 11 Old 05-23-2019, 04:48 PM
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Originally Posted by ftothe3 View Post
resurrecting the thread! I took the leap and ordered a couple of these batteries:

https://www.digikey.com/product-deta...045-ND/8680975

They are a bit thicker than the original batteries but they do fit fine in the casing. The replacement does require you to know how to solder, so it's not for everyone.
I have disassembled glasses in the center but can’t see how to detach around the earpieces. How did you do that? Thanks
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post #6 of 11 Old 05-23-2019, 04:52 PM
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I have disassembled glasses in the center but can’t see how to detach around the earpieces. How did you do that? Thanks

Fold the glasses and look into the end where the earpieces fold to. There are two screws on each side. I just did one yesterday.
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post #7 of 11 Old 05-23-2019, 05:07 PM
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Fold the glasses and look into the end where the earpieces fold to. There are two screws on each side. I just did one yesterday.
Got it, thanks! I missed seeing them.
How hard was it to replace the battery?
Where did you buy replacement battery?
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post #8 of 11 Old 05-23-2019, 05:17 PM
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Originally Posted by gentis View Post
Got it, thanks! I missed seeing them.
How hard was it to replace the battery?
Where did you buy replacement battery?
I only took them apart to see what I needed. I ordered 6 batteries from China for 10.50. Otherwise, it would be 8.00 for a single one here in the states. I am not getting the 70mah mentioned in a post above, but am getting ones like what is in it.
Go on ebay and search 401215.
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post #9 of 11 Old 05-23-2019, 05:30 PM
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Quote:
Originally Posted by titan ii View Post
I only took them apart to see what I needed. I ordered 6 batteries from China for 10.50. Otherwise, it would be 8.00 for a single one here in the states. I am not getting the 70mah mentioned in a post above, but am getting ones like what is in it.
Go on ebay and search 401215.
Thanks. Did those batteries work?
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post #10 of 11 Old 05-23-2019, 05:42 PM
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Thanks. Did those batteries work?
I just ordered them yesterday. I do not see why they will not. They have the same specifications.

Last edited by titan ii; 06-06-2019 at 08:59 AM.
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post #11 of 11 Old 06-04-2019, 04:48 PM
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Thanks. Did those batteries work?
Yes. "Slight" difference in physical dimensions, but it fits fine. Electrical specs are the same. New one is on bottom.
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