Battery question should i replace battery - General Questions and Answers

hello guys.i have a question.i bought second hand s6 edge plus.its actual battery capacity is 3000 mah.My battery downed from 100% to 20% in 4 hours. I have checked battery usage of screen wifi network apps.its total battery usage is 700 mah . i think my battery dead.Am i right?

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[Q] Battery life

My original battery was swollen so i replaced it with a i9000 battery which is 1500 mah but i have been getting a really bad battery life it drops 1 percent every 15 mins and i need to charge my battery again middle of the day. I am using cm 10.2 alpha 4 right now.I attached my battery stats, battery stats from battery doctor app and my about phone screen shot. Let me know if you know my problem and if you need more information.
Note: I have to use a i9000 battery because it's the only battery that fits my phone i could find here
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[Q] i9500 S4 with Anker 7800mah battery

i have installed a 7800mah ANKER battery in my i9500, but when i put it on charge DU BATTERY still shows the battery as 2600mah?
The phone will also show the normal stats. i want the phone to display battery usage as per the new battery.i get about 3days out of it with normal usage so it is well better than the old battery.
How do i get my phone 'pick up' the bigger battery?
thank you

[Q] N8000 Shutdown on battery notifications ? [SOLVED]

Hello, i have a strange problem the last 2 weeks which have never occurred before on my N8000. I am on Gnabo ROM v8 and everything was working fine. Everytime my battery goes to 15% and 5% a notification to charge was poping up now it doesn't and the tablet reboots
Any idea what is going wrong ?
Your battery is damaged, usually due to age.
At new condition 15% = real 15% of 7000mAh = 1050 mAh = some juice left.
At this year ( remember that our GT-N8000 was released at the end of 2012 )....15% ≠ real 15% of 7000mAh
My original battery now rated at around ~60% of 7000mAh = ~4200mAh.
It means that if I charge to 100% it no longer holds 7000mAh but only ~4200mAh
So, when it reach 15%, it will be 15% of ~4200mAh instead of 7000mAh = 630mAh
Lithium-Ion battery tend to deteriorate through time.
Charging cycle, storage & temperature also affect its life-span.
I replaced my battery using an OEM replacement & it measured at around ~6700mAh.
Try replacing the battery
d4rkkn16ht said:
Your battery is damaged, usually due to age.
At new condition 15% = real 15% of 7000mAh = 1050 mAh = some juice left.
At this year ( remember that our GT-N8000 was released at the end of 2012 )....15% ≠ real 15% of 7000mAh
My original battery now rated at around ~60% of 7000mAh = ~4200mAh.
It means that if I charge to 100% it no longer holds 7000mAh but only ~4200mAh
So, when it reach 15%, it will be 15% of ~4200mAh instead of 7000mAh = 630mAh
Lithium-Ion battery tend to deteriorate through time.
Charging cycle, storage & temperature also affect its life-span.
I replaced my battery using an OEM replacement & it measured at around ~6700mAh.
Try replacing the battery
Click to expand...
Click to collapse
Thanx a lot mate for your reply.. Actually is not that bad as you describe it but that was the problem. The times that happened i was playing and the battery drainage was faster than charging. Every time my tablet restarted lets say at 15% notification after the reboot the battery was at 13% so it was the fault measurement or something like that because when i am on normal use this does not happen anymore.
Also i bought a new cable..not a cheap one the original which cost 11 euro (bought it 8 after bargain) and Magic..First of all is better than the one in the box more sturdy and i am amazed by the difference in charge times !!!
So i think we closed this topic the best way in case someone will have the same problem.

Galaxy S7 replacement battery.

Hi everyone.
My S7 (flat) is just after battery replacement.
Old battery health was at 69% after 2 yrs (SoT 4hr)
New battery shows 72% which is weird, cause its new battery but there is more.
Genuine battery capacity in flat S7 is 3000mAh, now it shows I have 3600mAh, but it doesnt seem to improve battery life at all.
Im just after reinstalling SupermanRom v3.0.1 so will check SoT in a while.
How the 3600mAh, new battery, lasts same as 3000mAh 2yrs old worn battery on same phone setup?
Any ideas?
The Rom must be based on the S7 edge that's why you're getting a 3600 mah battery.
Same ROM in exact same setup was showing 3000mAh with old battery.

Mi 11 lite (miui 12.5.1) battery drain while idle

Hi all,
My phone drained 14 percent battery yesterday while idle for 9 hours. The interesting thing is when i add the mAh usages that i see in battery and performance tab it only adds up to 6 percent battery usage. ( i calculated and confirmed with time that 40 mah is aproximately 1% battery)
Also this morning i am seeing an unusual drain as well while the screen is on, it drained 5% but it should have draned only 3% because it says it drained 138 mAh.
Does anyone have any idea about this problem?
This also happened 2 weeks ago and the only thing common both days were, i charged my phone slower (charged using usb on the car) instead of using fast charging.
I also leave the screen shots that shows the battery usage.
Put the phone into Airplane mode when idle: this may save some battery.
jwoegerbauer said:
Put the phone into Airplane mode when idle: this may save some battery.
Click to expand...
Click to collapse
yes of course but the battery drain I explained sometimes happens I actually think its a battery indicator bug. Because it shouldn't be draining this much battery because it doesn't show any unusual drain on battery information screen contradicting the percentage lost (14% battery was drained but according to battery information screen it should be 6%)

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