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Lenovo PhonesP2 [P2a42] Smartphones
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2 Posts

04-20-2017

IN

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Re: Lenovo P2 battery not fast charging

2017-04-20, 20:40 PM

Hello Jess,

 

To be specific, as it was mentioned in the specifications that in only 90 minutes it charges 100%. I won't deny, the first 2-3 times it did the same. But since the Nougat 7 update, its taking 3-4 hours to completely charge upto 100%. 

 

As for the percentage, there isn't anything fixed, I once saw at 15% its showing Fast Charging and after 10 minutes I saw its 18% and normal Charging. Again the same I saw at 33% its Fast Charging and after around 10-12 minutes I saw its 37% and normal Charging. Over the span of the last 2 charges I have seen this ample times.

 

I directly plug the charger and don't use any extension. Kindly fix this.

 

Thanks

Kaustav 

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470 Posts

06-02-2013

MY

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Re: Lenovo P2 battery not fast charging

2017-04-21, 0:05 AM

What I can notice is whenever there is minor activities in the CPU, the double-lightning-bolt icon will turn to single-lightning-bolt. My P2a42 is still running the old Mellow firmware. Nevertheless, it still completely charged from 10% to 100% in 2 hours or less whether the phone is OFF or ON/idle.

 

Can the ones having issues try to charge the device when the phone is completely switched "OFF". I know it sounds ridiculous but we want to see whether the rapid/rocket charging rate is negatively affected by "hidden" CPU activities when the phone is in idle mode.

 

FYI:

 

 

 

 

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70 Posts

06-24-2015

India

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  • Message 13 of 119

Re: Lenovo P2 battery not fast charging

2017-04-21, 3:36 AM

I generally charge the mobile only in UPS mode. So that should cut off all the background activities. Still it takes about 4 hours to charge from ~5% to 100%. When I first keep it on charging, it starts with Fast mode but will shortly move to normal mode. I think I started to believe that the reason for this switching is to do with the climatic conditions. When I was recently charging the mobile, I tried to blow in cold air over the mobile when it switched to normal mode from fast charge. Sooner, it switched from normal to fast mode again. So, I think its to do with the temperatures. As such, most of the users facing this problem are in India and its really hot weather in here right now. I think fast charge heats up the battery while charging and after reaching a threshold, it probably switches to normal mode to prevent overheating and / or an explosion. Someone from Lenovo can confirm this though.

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470 Posts

06-02-2013

MY

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  • Message 14 of 119

Re: Lenovo P2 battery not fast charging

2017-04-21, 5:19 AM

Alternatively, we can lay flat the blade-less fan and put P2 lay flat on the "opening" circle...


Go to https://youtu.be/E1h-KKO49g0

I always do the bladeless trick to my routers, HDDs, and other critical electronic stuff...Same concept like laptop cooling pad...

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3 Posts

12-02-2016

IN

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  • Message 15 of 119

Re: Lenovo P2 battery not fast charging

2017-04-22, 18:16 PM

Am using lenovo packed charger but it takes 4 hours for get charged 100 percent charge ..At begining it takes 2 hours fa fully charged ,,,bit now it takes 4 hours,,,I have resetted the phone many times and also rebooted prob is not solved ,,please help on this

 

Admin note; post merged in, subject edited.

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6 Posts

04-17-2017

IN

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  • Message 16 of 119

Re: Lenovo P2 battery not fast charging

2017-04-22, 21:44 PM

Usually it charges fast for the first 10 mins at any battery percentage  but after 10 mins it usually charges at normal speed not fast this problem is arising after nougat update kindly solve this problem.

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9390 Posts

09-04-2014

SK

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  • Message 17 of 119

Re: Fast charging not working

2017-04-22, 19:12 PM
 

Andy

 

English Community Administrator
Lenovo eServices

Please remember to come back and mark the post that you feel answered your question as the solution. 
Did you find a post helpfull? You can thank the member by awarding them a Thumbs Up
 

Please don't ask me questions by Personal Message; questions belong in the forums.
Using Browser Search to find your answers in Lenovo and Moto Community

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1 Posts

04-25-2017

IN

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  • Message 18 of 119

Re: Lenovo P2 battery not fast charging

2017-04-25, 12:00 PM

My lenovo p2 is not fast charging after the nougat update. It is taking almont 3 hours to get charged fully I am using the supplied charger please help. 

 

Admin note; post merged in, subject edited.

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3454 Posts

10-05-2016

PH

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  • Message 19 of 119

Re: Lenovo P2 battery not fast charging

2017-04-25, 19:44 PM

Hi Everyone,

 

Try these steps and see if that works.

 

If that still didn't work, try to put it in safe mode and see if this thing still occur while in safe mode.  

 

Press and hold the power button until the phone reboots.
Plug into the supplied charger.
Allow the phone to charge to 100%
Leave on the charger for at least an additional hour.   

 

Regards,
Jess
Moto-Lenovo Agent

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6 Posts

04-17-2017

IN

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  • Message 20 of 119

Re: Lenovo P2 battery not fast charging

2017-04-25, 21:32 PM
I tried all the steps as yu mentioned even in safe mode it didnot charge fast and charged at normal speed not at fast speed.kindly fix this problem i am using lenovo p2 problem is arising after nougat update.pls send a ota to fix this problem as many people are facing this problem after nougat update.
Thanks sahil.
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