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Aug 9, 2018

S1 Pro battery draining when not in use

If your S1 Pro battery is draining when the S1 Pro is not in use (and the power switch is in the standby position ? and not connected to AC power, please read the latest update
S1 Pro battery draining when not in use
Thank you, 
Bose Pro Community Admin

The original message follows below.


I have two S1 Pro speakers.  Same age, both pretty much new.  The latest one I purchased with only a few hours of use has a battery that slowly dies over the course of a week or two when not in use.  The other S1 Pro battery lasts as it should.  Any thoughts?

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Re: S1 Pro battery draining when not in use

My experience is that both of my S1 Pro batteries die if not used for a couple of weeks. I spoke with customer service several times about this and they even sent me new batteries and replaced both of my S1 Pros (their engineers wanted to run tests on my units to see if they could figure out what was draining the batteries.) My newer units exhibit the same behavior so I'm not sure what the cause is. The customer service tech said they were wondering if S1 Pro BlueTooth was continually trying to connect so they suggested disconnecting my phone from the S1 Pro but I didn't get around to that before they replaced my original units. Unfortunately, no one followed up with me so I don't know if they discovered what the issue is. Frankly, this is not normal behavior for lithium ion batteries but I'm living with it and just keep charging mine to make sure they don't die. Here's the discussion I started: https://www.bosepro.community/...31#38892682227613531

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Re: S1 Pro battery draining when not in use

Thanks Michael for taking the time to share your experience.  Do you find the battery lasts for the expected time when using it after a full charge?  

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Re: S1 Pro battery draining when not in use

Simon Patrick posted:

Thanks Michael for taking the time to share your experience.  Do you find the battery lasts for the expected time when using it after a full charge?  

Yes, I find that I’ve been able to use my S1 Pro for three or four shows (I’m a magician) over a week without recharging. That’s about four hours. The only time I have issues with the batteries is when I don’t use it for more than a week or two. 

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Re: S1 Pro battery draining when not in use

Michael M posted:
Simon Patrick posted:

Thanks Michael for taking the time to share your experience.  Do you find the battery lasts for the expected time when using it after a full charge?  

Yes, I find that I’ve been able to use my S1 Pro for three or four shows (I’m a magician) over a week without recharging. That’s about four hours. The only time I have issues with the batteries is when I don’t use it for more than a week or two. 

That's good to hear.  I have been afraid to use mine for a performance without plugging it in first.  Thanks again.

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Re: S1 Pro battery draining when not in use

I do check mine a few hours before I load up for show. If it’s below 50%, I’ll charge it. The Bose Connect app helps since it gives you the actual percentage of charge. 

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May 1, 2020

Re: S1 Pro battery draining when not in use

I have the same issue where my S1 Battery depletes to a red indicator if not used for a week or so.  At first I thought that I had inadvertently flipped the power switch on when putting it in the bag, so I charged it and left it out of the bag.  The results were the same, a depleted battery with no actual usage.  I also positioned the power switch to the fast charge position and repeated my experiment to see if there was a difference. The results were the same, a depleted battery with no usage. Finally, I fully charged the battery, removed it from the unit and let it sit.  After a week, I reinstalled the battery in the S1. The S1 indicated that the reinstalled battery was fully charged.  This indicates that the battery is good and has no internal resistance that would cause such an issue. Therefore, the S1 has some sort of current drain while turned off, which is an unacceptable condition and presents a challenge as the S1 will not be fully charged when needed if being transported and away from an outlet for any length of time.  To me, the purpose of the S1 is to do just that for busking etc. and it is the reason I purchased it. I am respectfully requesting through this forum that Bose determine what the issue is and correct it.   

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May 11, 2020

Re: S1 Pro battery draining when not in use

Hi Real Piney,

Thank you for joining the Bose Portable PA Community.  Welcome.

I'm sorry your S1 Pro system battery is draining when the system is idle for an extended period.  I appreciate your thorough diagnostics and testing. 

Please call Bose Support and they will take care of you.

Bose® Product & Technical Support at (877) 335-2673
(U.S. and Canada only)
Monday-Friday: 9:00 AM - 9:00 PM ET

Thank you,

ST

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Re: S1 Pro battery draining when not in use

Thank you for your response. I will contact technical support next week and hopefully they will have some resolution for this issue.   

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Re: S1 Pro battery draining when not in use

Let us know when you determine a solution.  I have the same issue.