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Batteries for W52 Handsets
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Cedric Offline
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Posts: 19
Joined: Feb 2016
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Post: #1
Batteries for W52 Handsets
There have been many complaints about poor battery life with the W52 handsets. According to the documentation for W52, the handsets use nickel metal hydride (NiMH) batteries. However, mine came with lithium ion batteries but the documentation does not reflect that. Was there a recent design change to address the issue with battery life?
(This post was last modified: 02-09-2016 12:16 PM by Cedric.)
02-09-2016 11:52 AM
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Cedric Offline
Junior Member

Posts: 19
Joined: Feb 2016
Reputation: 1
Post: #2
RE: Batteries for W52 Handsets
I discovered that the batteries that were included with a new W52H handset were actually 1,000mAh Nickel Metal Hydride (with a orange wrapper) instead of the advertised 800mAh.

Does anyone know whether the issues with poor battery life were ever resolved?
(This post was last modified: 02-18-2016 03:55 AM by Cedric.)
02-18-2016 03:52 AM
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complex1 Offline
3CX Adv. Cert. Engineer

Posts: 1,487
Joined: Jan 2014
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Post: #3
RE: Batteries for W52 Handsets

I know there was in the past some issues about poor battery life.
This was solved with a firmware update. as I remember.
Please do a search on the forum.
I am glad never had any battery issue.

The batteries in my handsets (3x) are: Ni-MH 800mAh, mfg date 2013.

Kind regards,

I am not an employee of Yealink.
Dutch is my native language, not English. Apologies for my imperfect grammar.
Please do not send unsolicited PM messages. I will not answer them.
02-18-2016 05:54 PM
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