R5, a new Android DAP by Hiby

Oct 30, 2024 at 9:35 AM Post #4,426 of 4,440
Hello, It seems you know what you're doing, when it's about batteries...
I just replaced mine, after finding a model that seems to be manufactured on purpose:

https://www.aliexpress.com/item/1005006626970577.html

But, the problem is, that the original one is 4.35V/cell maximum (nominal 3.8v), whereas of course, the replacement is the more usual 4.2V/cell.

So the R5 software is unable to identify 4.2v as 100% ; once charge stops the gauge is at 92-93%, and the worst; when it reaches 1 to 3% and stops by itself the cell is still at around 3.6V 😕 So I'm unable to take advantage of the whole capacity of this new cell, even if I do not trust the 4500mAh figure that's written on it 🙄

I tried to do one full charge-discharge cycle so far, in order to "calibrate" the android gauge, with no success...

Any advice ?
For those who have changed their battery themselves with aftermarket cells; do you have this kind of issue ?
When I put the battery in it was at ~3.7V, maybe I should charge it fully then, disconnect/reconnect it ?
Maybe a factory reset would clear the old values in Android ?

Thank you in advance...
Late reply here. I harvested a used battery cell from an HP laptop. I made sure the manufacturer was ATL, since they are the best cells.

The battery you purchased seems like it is limited by the BMS the battery is supplied with. I recycled the original BMS from the old R5 battery, hence no issues.
 
Feb 15, 2025 at 8:19 PM Post #4,427 of 4,440
Thread bump. My battery recently died. ordered one from aliexpress but it was slightly too large and it would cause issues with the device charging since the battery's board kept bending.

Got a refund and got a new smaller one on Amazon. But now device doesn't seem to want to stay on. Itll turn on then turn back off. Shows that it charges too. Anyone got any clues?
 
Jun 13, 2025 at 1:47 PM Post #4,429 of 4,440
Jun 14, 2025 at 9:06 AM Post #4,431 of 4,440
Thank you for give me the file link, ive tried but it says, this package is for R5 devices; this is a R5int. do anyone have a firmware update file for HiBy R5Int ver ? Thank you !

That's all I had saved, sorry. Perhaps @Joe Bloggs can help you out.
 
Jun 16, 2025 at 9:17 AM Post #4,437 of 4,440
The firmware given here and in my pm are the latest. Somewhere along the lineage of updates there was a merger update that merged the R5Int and R5 lines into one firmware. The latest firmware post-dates that, and presents itself only as R5, which your old R5Int firmware won't recognize. To overcome that, I need to request a universal binary from headquarters. ☝🏻 Please give me a day or two
 
HiBy Stay updated on HiBy at their facebook, website or email (icons below). Stay updated on HiBy at their sponsor profile on Head-Fi.
 
https://www.facebook.com/hibycom https://store.hiby.com/ service@hiby.com
Jun 16, 2025 at 9:29 AM Post #4,438 of 4,440
The firmware given here and in my pm are the latest. Somewhere along the lineage of updates there was a merger update that merged the R5Int and R5 lines into one firmware. The latest firmware post-dates that, and presents itself only as R5, which your old R5Int firmware won't recognize. To overcome that, I need to request a universal binary from headquarters. ☝🏻 Please give me a day or two
I see, thanks a lot, I really appreciate it.:bow:
 
Jun 19, 2025 at 8:39 AM Post #4,439 of 4,440
HiBy Stay updated on HiBy at their facebook, website or email (icons below). Stay updated on HiBy at their sponsor profile on Head-Fi.
 
https://www.facebook.com/hibycom https://store.hiby.com/ service@hiby.com

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