Support and General Use > Hardware
AGPTEK Rocker
gomezz:
Used mine over a work day yesterday. Running time 6h 11m split over a morning and an afternoon session. Play time was 4h give or take a couple of minutes so for the remainder of the afternoon had to switch back to using my Clip+.
It does not seem possible to use Rockbox while it is charging. Is this a known issue?
Also, when recharging Rockbox never reports more than 90% charged even after several hours?
wodz:
--- Quote from: gomezz on May 24, 2018, 06:07:37 AM ---It does not seem possible to use Rockbox while it is charging. Is this a known issue?
Also, when recharging Rockbox never reports more than 90% charged even after several hours?
--- End quote ---
Could you be more specific about not possible to use Rockbox while charging? If you mean charging without entering usb mass storage mode simply hold select while plugging cable.
As of reported charge, voltage of the battery is reported by underlying OS (linux). It does not report SOC (state of charge). The mapping of voltage<->percentage of charge available is totally uncalibrated and assumed linear from 3.4 to 4.2V which simply is not true for li-ion. If someone run battery_bench plugin and provide results I can correct this.
diegopau:
Hi guys,
I am also thinking on getting a Benjie T6 now that there is Rockbox support (the battery of my old Clip Zip is giving up).
Those reports on battery duration are a bit worrisome, but it wasn't clear to me if you are testing using bluetooth or if you are using wired headphones. I expect the duration using bluetooth much less and I am interested in how long it last using just wired headphones.
I guess that duration also depends on what file you are playing as some audio formats might be heavier in CPU and memory card reading. If i remember correctly the Sansa Clip Zip has a 290mAh battery, and the Benjie T6/Rocker has a 600 mAh, so it is disappointing to know that it last less than the clip zip with double battery size!
One more doubt: do you know if the Benjie T6 has the exact same battery than the Rocker (same manufacturer)?
Thank you in advance
gomezz:
--- Quote from: wodz on May 25, 2018, 05:20:30 AM ---
--- Quote from: gomezz on May 24, 2018, 06:07:37 AM ---It does not seem possible to use Rockbox while it is charging. Is this a known issue?
Also, when recharging Rockbox never reports more than 90% charged even after several hours?
--- End quote ---
Could you be more specific about not possible to use Rockbox while charging? If you mean charging without entering usb mass storage mode simply hold select while plugging cable.
--- End quote ---
Thanks for the tip.
pechenyh:
--- Quote from: wodz on May 25, 2018, 05:20:30 AM ---
If someone run battery_bench plugin and provide results I can correct this.
--- End quote ---
Here is my battery bench (Benjie T6, no bluetooth)
link to battery_bench.txt: https://yadi.sk/i/QvYpXhjz3WYHgZ
I really do not understand how it turned out 6:50 because in daily use it works about 4 hours
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