Discussions about the Bose S1 Pro system

Bose S1 Pro

Designed for musicians, DJs and general PA use, the S1 Pro is the ultimate all-in-one PA, floor monitor and practice amplifier that's ready to be your go-anywhere Bluetooth music system for nearly any occasion. 

This is the place to discuss the S1 Pro system.

S1 Pro battery draining when not in use

Since I'm not willing to send my speakers back and forth it would be great if Bose tell us if they are able to repair or replace them with working units. Looks like people are sending back not working S1s and getting back not working S1 pros. I don't know for sure but as of today it looks like Bose has no idea what's going on and is swapping speakers to show good will. Makes no sense to me. Can we get a clear answer?

To me it's ok, if it takes a little while but it's not ok to let me send speakers back they are not able to repair.

What is the guarantee period for the batteries? Do we run into the problem that Bose will say, batteries are wear parts that are not covered by guarantee? I don't think so but who knows?

Both of my S1 pros are affected, they were bought from different places at different times.

 

 

Hi PZ,

PZ posted:

Thank you, ST!

i will call them after holidays. Do you think I should leave the speakers plugged in to prevent the batteries from running empty?

 

You don't have to keep them plugged in all the time, but charge them up before you go out to a gig.

ST

Hi PZ,

PZ posted:

Since I'm not willing to send my speakers back and forth it would be great if Bose tell us if they are able to repair or replace them with working units.

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Since you're in Austria, it may take a little longer to figure out the logistics.

If you prefer to hang onto the units you have, and charge them up before you take them out to an unplugged gig, that's great.  Since you've posted in this thread, we'll keep track of you and contact you when we've worked out the best way to take care of you.

Thanks,

ST

Thank you ST, that is ok for me.

I'm from Austria. We are the ones with the mountains and the skiers, Kangaroos only in the zoo. :-) But otherwise similar remote and outlying like our friends from downunder!

Will be happy to hear from you!

Gentlemen & Ladies,

I found this thread a few days ago and wish to add my 2 cents.

My S1 Pro (purchased in Mid-September) was used every few days during the first couple of months I owned it. Unaware of this issue, I did not pay any attention to this as a potential problem and my habit with most everything is that I "always" plug-up any battery-operated equipment to fully charge before each gig. 

Since I have had no events after New Year's Eve and, now knowing about this potential issue,  I was able to check to see if I have the problem/issue.

I had plugged the S1 Pro into an AC outlet to charge on NYE day and had it fully charged before my event that evening. After arriving at the venue, I found that the S1 Pro was not needed (I used my L1 Model II and my L1 Compact only). I left it in my vehicle and had a great event. I have not touched it since then (until a couple days ago).

Since my next event is January 19, I started planning which equipment will be required for that venue a couple days ago. Now aware of this issue, I turned on the unit on Friday and paired it with the Bose Connect App to find that it only had a 10% charge (even though it was not used since the afternoon of full charging on NYE). After a full charge on 12/31/18, I discovered only a 10% charge on 1/11/19. 

Of course, this means that I am having this "issue" as well as the others who have posted here. 

I will call Bose Support tomorrow and see what they suggest. In the meantime, I will plug it up and fully charge it before next Saturday's event as I am sure that I will need it. i would have done this anyway, but agree that this should not be necessary.

Thanks to all of you who so patiently share info like this with our fraternity of Bose users in this forum. Also, a big "thank you" to ST for his unwavering and prompt willingness to help us as our "first line of help" whenever needed. ST... you're a valuable resource for us and we appreciate all that you do to make life easier and better for us!

Happy New Year to all! I will report any/all info and updates I receive from Bose and wish you all your most successful year ever in 2019!

Day 2: 01/14/2019 08:47 S1 Pro turned off and unplugged since my last update.  (NOTE: This is my replacement unit).  Turned the unit on, got 4 blue flashes.  The Bose Connect app shows 90% charge.  It appears that the S1 has dropped 10% charge overnight.

I'll check it again tomorrow.

Hi PZ,

I'm sorry, I missed this part. Thank you for asking this important question.

PZ posted:
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What is the guarantee period for the batteries? Do we run into the problem that Bose will say, batteries are wear parts that are not covered by guarantee? I don't think so but who knows?

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The warranty on the S1 Pro system is two years. The battery is covered as a component of the S1 Pro system for two years.

ST

Day 3: 01/15/2019 09:40 S1 Pro turned off and unplugged since my last update.  (NOTE: This is my replacement unit).  Turned the unit on, got 4 blue flashes.  The Bose Connect app shows 90% charge however the "gap" in the charge circle appears to be getting larger.

I'll check it again tomorrow.

Here's my latest update. I fully charged both of my S1 Pros before going out of town for a week. I didn't check them right away so it was probably 12 days after I charged them, and had not used either, when I checked this morning. The replacement I was sent in December still showed 100% (yay!) but the other unit was now down to 10% (boo). It's a bit troubling because this unit held a charge better in November. I called Bose customer service and they are sending me another replacement. They have a new procedure for those who have had multiple units with this issue (4 out of the 5 I've had were depleting the batteries when not in use.) The replacement will be sent to Bose Pro Division to be tested before shipping to me. That way, they hope to avoid me getting another unit that has the same issue. The supervisor I spoke with said that they only have had a limited number of incidences with the battery drainage issue so it makes it challenging to isolate the cause but they think they have it figured out. I really hope they get this figured out because I love my S1 Pro units!

I agree Michael, I hope they get this figured out soon.  I talked with support this morning when I switched the registration from my old serial # to the new.  I told them I'm testing the new unit for battery drain and would keep them informed of the situation but probably wouldn't ask for a replacement until they have a solid and documented fix.

I'd hope that they are tracking the serial numbers of defective units which should indicate a pattern of where the components came from, specific manufacture date, etc.  Normally, it's pretty easy to track this type of problem down fairly quickly...but then again, I'm not an amplifier expert, perhaps I'm over simplifying the issue.

Day 4: 01/16/2019 11:15 S1 Pro turned off and unplugged since my last update.  (NOTE: This is my replacement unit).  Turned the unit on, got 4 blue flashes.  Again today, the Bose Connect app shows 90% power.  The gap in the power "ring" appears to be the same as yesterday.

I'll check it again tomorrow and report my findings. 

If I can get by without using the unit this upcoming weekend, I'll continue this test for up to 2 weeks to see if/when the battery charge drops dramatically.  It's hard to tell based on voltage with these batteries.  They typically maintain a full charge to the end then the voltage just crashes.  I suspect that this is what's happening with the faulty units.  You can check the battery every day and it looks good.  Then, somewhere along the way, the voltage drops and the battery shows up dead when you turn it on.  This would be consistent with a very low parasitic drain on the battery.

 

Day 5: 01/17/2019 10:00 S1 Pro turned off and unplugged since my last update.  (NOTE: This is my replacement unit).  Turned the unit on, got 4 blue flashes.  However, today, the Bose Connect App shows the battery at 80% and the gap in the "Power Ring" is definitely much larger, as I would expect with the drop in capacity.

I now believe that my new replacement unit still has the same problem, but time will tell.  It's apparent that there is a parasitic load on the battery when the unit is turned off.  

I'm assuming that Bose has several of these "defective" units on a test bench wired with amp and voltage meters at various points in the circuitry to determine whats causing the parasitic load.  If I had to guess, I'd look at the charging circuit.  If my understanding is correct, this would be the only "hot" circuit in the unit when the switch is in the "off" position.  Only the gurus at Bose know for sure!

As I was typing the above, I had a thought/question pop into my head.  I wonder if there is a relay in the charge circuit that draws power to stay in in a particular position when the unit is unplugged and turned off.  This would create a minuscule load that might take a couple of weeks to deplete the battery.  

I'll check it again tomorrow and report my findings. 

KingBiscuit posted:

Day 5: 01/17/2019 10:00 S1 Pro turned off and unplugged since my last update.  (NOTE: This is my replacement unit).  Turned the unit on, got 4 blue flashes.  However, today, the Bose Connect App shows the battery at 80% and the gap in the "Power Ring" is definitely much larger, as I would expect with the drop in capacity.

I now believe that my new replacement unit still has the same problem, but time will tell.  It's apparent that there is a parasitic load on the battery when the unit is turned off.  

I'm assuming that Bose has several of these "defective" units on a test bench wired with amp and voltage meters at various points in the circuitry to determine whats causing the parasitic load.  If I had to guess, I'd look at the charging circuit.  If my understanding is correct, this would be the only "hot" circuit in the unit when the switch is in the "off" position.  Only the gurus at Bose know for sure!

As I was typing the above, I had a thought/question pop into my head.  I wonder if there is a relay in the charge circuit that draws power to stay in in a particular position when the unit is unplugged and turned off.  This would create a minuscule load that might take a couple of weeks to deplete the battery.  

I'll check it again tomorrow and report my findings. 

Seems as though one of my S1 Pro speakers that I thought held charge well (vs the other S1 Pro  I have that discharges after only one week when not in use) also discharged completely in just under 3 weeks.  Good news is the S1 Pro battery that I fully charged and then removed from the speaker to store for 3 weeks (from the speaker that I knew was discharging in one week) held full charge over 3 weeks. This is a decent solution for now as it takes literally a minute or two to remove or install the battery but hopefully this mystery will be solved once and for all. Just shared this as a temporary solution for those that are waiting for a solution.  

I’ve now been monitoring my replacement S1 for 8 days. After holding at 90% charge for about 6 days, it’s now down to 80%. While I feel the speaker will perform adequately for my intended use, the unpredictable behavior of the battery charge gives me concerns about long-term reliability. And while I’d like to purchase at least one more unit, this unaddressed concern gives me pause to do so.

Hi Boxmaster,

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

I understand and appreciate your concern.  Your S1 Pro system comes with a two-year warranty, and that includes the battery.

If you have any concerns about your S1 Pro system, please call Bose Support. We 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
Other regions

ST

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