Replacement battery with bigger capasity

rukinis · Jan 15, 2014

I found couple of variants in dx.com
One is says 2350 mAh

Another clams even 2850 mAh
http://dx.com/p/replacement-2850mah...sung-galaxy-s4-mini-i9190-252363#.UtbFJeIlM4I
It is almost 30-50% higher than original. I don't beleave in it. Maybe someone tried?

junkyde · Jan 15, 2014

if it has the same dimensions as the original battery, don't even try it

kms108 · Jan 17, 2014

I just purchased this battery for the fun of it, it's cheap, and my i9192 oem battery does not last long.

after some testing, the size although quoted 2850mAh, it's same as the oem one.

rukinis · Jan 19, 2014

kms108 said:
I just purchased this battery for the fun of it, it's cheap, and my i9192 oem battery does not last long.

after some testing, the size although quoted 2850mAh, it's same as the oem one.

Thanks man. I thought the same. Its not possible to put more of the same material in the same space:victory:

SandeepEmekar · Jan 20, 2014

Anyone tried it?
Waiting for the feedback.

I was thinking to try this one.
http://dx.com/p/replacement-2800mah...for-samsung-galaxy-s4-mini-i9190-black-223296

nuhcan · Jan 20, 2014

SandeepEmekar said:
Anyone tried it?
Waiting for the feedback.

I was thinking to try this one.
http://dx.com/p/replacement-2800mah...for-samsung-galaxy-s4-mini-i9190-black-223296

is it sure really 2800mAh?

I don't think so...

I used this kind of batteries on S2, but all of them not real capacity that was labeled...

kms108 · Jan 20, 2014

rukinis said:
Thanks man. I thought the same. Its not possible to put more of the same material in the same space:victory:

Just to let you know, a good quality battery always state a serial number and the size of the battery under the sticker, after removing the label, nothing is on the battery, so it's something they are trying to hide.

---------- Post added at 03:29 PM ---------- Previous post was at 03:28 PM ----------

SandeepEmekar said:
Anyone tried it?
Waiting for the feedback.

I was thinking to try this one.
http://dx.com/p/replacement-2800mah...for-samsung-galaxy-s4-mini-i9190-black-223296

Please buy one and let us know.

Kopaxi · Jan 25, 2014

kms108 said:
Just to let you know, a good quality battery always state a serial number and the size of the battery under the sticker, after removing the label, nothing is on the battery, so it's something they are trying to hide.

---------- Post added at 03:29 PM ---------- Previous post was at 03:28 PM ----------

Please buy one and let us know.

Hey Guys, i bought one of the battery signed i9192 and 2800mAh. The battery drain was the same like the original Samsung 1900mAh battery, but there was a little problem with the exact size. It is about only a half mm, but it had to push hard the battery to go into it's place.

kms108 · Jan 25, 2014

I've tried a few battery, non of them are true to value, all have the same time as the oem, although I haven't actually used it and whether it will drain faster.

kamikaze702k · Mar 10, 2014

there are some on ebay, 6500mAh 'mbuynow' extended batteries

ive bought one, works ok, nothing special, once fully charged after 24 of heavy useage it dies but strangely if you power your phone on again, it gives another 40-50% battery life which can easily go for severel more hours

fairly cheap too, uk price around £9 with extended back door cover

NFC support too, thou i never use it

junkyde · Mar 14, 2014

kamikaze702k said:
ive bought one, works ok, nothing special, once fully charged after 24 of heavy useage it dies but strangely if you power your phone on again, it gives another 40-50% battery life which can easily go for severel more hours

it's a known issue, because the kernel always expects a 1900MAH battery

kamikaze702k · Mar 14, 2014

junkyde said:
it's a known issue, because the kernel always expects a 1900MAH battery

I guess so, but I've never experienced that on other Samsung devices using extended batteries, I've ordered a zerolemon battery for the S4 mini, it's coming from Texas, America. Do u think I'll get the same thing on that? I'm using a custom kernel also

Sent from my GT-I9195 CarbonKat 4.4.2

junkyde · Mar 15, 2014

kamikaze702k said:
I guess so, but I've never experienced that on other Samsung devices using extended batteries, I've ordered a zerolemon battery for the S4 mini, it's coming from Texas, America. Do u think I'll get the same thing on that? I'm using a custom kernel also

Sent from my GT-I9195 CarbonKat 4.4.2

yes you definitively will! I've read on an amazon review that someone managed to get this fixed by editing some files in the kernel source.

dj_reed · Mar 15, 2014

China accesories... they say 2800mAh but there is less than original battery... Such as china pendrive

seen 128GB but there is less than 4GB.

kamikaze702k · Mar 15, 2014

junkyde said:
yes you definitively will! I've read on an amazon review that someone managed to get this fixed by editing some files in the kernel source.

It would be interesting to see how to fix this

Sent from my GT-I9195 CarbonKat 4.4.2

soko89 · Mar 15, 2014

Hi all But i have the same problem my baterry only work 2 hours and my phone temperature is so high 51 °C I i change the baterry and is = my kernel is 3.4.0 - 1961802 dpi@dell134 and my band version is i9192xxubnb1 compilatin number jdq39.i9192xxubnb1 status secure Samsung help me please is software or hardware?

---------- Post added at 06:25 PM ---------- Previous post was at 06:02 PM ----------

Hi all But i have the same problem my baterry only work 2 hours and my phone temperature is so high 51 °C I i change the baterry and is = my kernel is 3.4.0 - 1961802 dpi@dell134 and my band version is i9192xxubnb1 compilatin number jdq39.i9192xxubnb1 status secure Samsung help me please is software or hardware?

junkyde · Mar 20, 2014

kamikaze702k said:
It would be interesting to see how to fix this

Sent from my GT-I9195 CarbonKat 4.4.2

Here is my translation for the workaround:

Edit the following file in the kernel source "drivers/power/pm8921-bms.c" as following:

In the function "calculate_fcc_uah" you have to paste

/* fixme: powerakku has the double capacity */
scalefactor *= 2;

below

"scalefactor = interpolate_scalingfactor_fcc(chip->fcc_sf_lut,
chargecycles);"

then build the kernel and update the "bootimg" (with abootimg) with the new kernel and flash it then via dd to "/dev/block/platform/msm_sdcc.1/by-name/boot"

Reboot your Device.

You should calibrate the battery with an app from the market (first discharge your battery (<10%), then delete "/data/system/batterystats.bin" , reboot and charge to the fullest.

kamikaze702k · Mar 20, 2014

junkyde said:
Here is my translation for the workaround:

Edit the following file in the kernel source "drivers/power/pm8921-bms.c" as following:

In the function "calculate_fcc_uah" you have to paste
/* fixme: powerakku has the double capacity */
scalefactor *= 2;
at
"scalefactor = interpolate_scalingfactor_fcc(chip->fcc_sf_lut,
chargecycles);"

then build the kernel and update the "bootimg" (with abootimg) with the new kernel and flash it then via dd to "/dev/block/platform/msm_sdcc.1/by-name/boot"

Reboot your Device.

You should calibrate the battery with an app from the market (first discharge your battery (<10%), then delete "/data/system/batterystats.bin" , reboot and charge to the fullest.

This is too complicated for me bro lol, but thank you, if some day I find kahonaz to do this I'll do it lol

Sent from my GT-I9195 CarbonKat 4.4.2

Doman · May 5, 2014

junkyde said:
it's a known issue, because the kernel always expects a 1900MAH battery

I have the same issue with ~4300mAh battery from eBay. Is it a S4 Mini common issue or generic Android issue? Any easier fix/calibration coming?

The battery is made in China, but it is not true it is the same or worse than original 1900mAh. I don't believe it has full 4300mAh capacity, but it is still around twice as big as the original one. My wife's phone lives twice as much time after the upgrade, but it has to be rebooted (after it dies when powered up it has 40-50% of power again).

smartxdev · May 7, 2014

Some system tools (like Android Tuner) has an ability to override the battery capacity value provided by kernel.
I've never tested it, since I'm with the usual battery, but you can try this..

Replacement battery with bigger capasity

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