Charging Paperwhite

AlanHK · 04-13-2017, 11:13 AM

Someone is selling a 2013 Paperwhite, says it's still in the original box. So I assume the battery would be pretty much discharged.

I want to check if it's not DOA, and do it quickly when I get it rather than have to try to get a refund later. If I used a phone backup battery, could I plug the Kindle cable into it -- if it was completely discharged, how long before I could expect it to boot up?

happysnapper22 · 04-20-2017, 08:10 AM

By 'phone backup battery' I assume you mean a USB power bank type device.

My experience with other devices with Li-On batteries is that if discharged most will come to life and the device will become functional within 3 to 5 minutes of being connected to a charger. However on occasion its taken around 30 minutes.

However assuming it has a flat battery and comes to life when connected to a charger or USB power bank that doesn't telly you that much about the battery and how well it will hold a charge. In the absence of test kit only usage will give you an answer.

One thing I'd add though and this isn't based on scientific knowledge, if the battery is completely flat once I'd got it on charge I'd want it to charge to 100% in one hit, I'd not want to put a bit of charge in, disconnect and then re-connect later to finish charging.

Good luck.

AlanHK · 04-20-2017, 11:10 AM

Yeah, I know that's how phones work; I suppose Kindle is basically the same kind of device and battery. I know that I would not be able to tell how good the battery was, but I could see if the rest was OK. Worst case, if the hardware is otherwise OK I can replace the battery.

Cinisajoy · 04-20-2017, 11:13 AM

Quote:

Originally Posted by AlanHK

Yeah, I know that's how phones work; I suppose Kindle is basically the same kind of device and battery. I know that I would not be able to tell how good the battery was, but I could see if the rest was OK. Worst case, if the hardware is otherwise OK I can replace the battery.

I have bought many used kindles. All had the charge battery screen.
As soon as you get it, put it on a charger. You should know within 30 minutes.
Probably less since I tend to use a car charger to start charging.

04-13-2017, 11:13 AM	#1
AlanHK Guru Posts: 668 Karma: 929286 Join Date: Apr 2014 Device: PW-3, iPad, Android phone	Charging Paperwhite Someone is selling a 2013 Paperwhite, says it's still in the original box. So I assume the battery would be pretty much discharged. I want to check if it's not DOA, and do it quickly when I get it rather than have to try to get a refund later. If I used a phone backup battery, could I plug the Kindle cable into it -- if it was completely discharged, how long before I could expect it to boot up?

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04-20-2017, 08:10 AM	#2
happysnapper22 Connoisseur Posts: 61 Karma: 639200 Join Date: Dec 2009 Device: Kindle PW2 & PW3	By 'phone backup battery' I assume you mean a USB power bank type device. My experience with other devices with Li-On batteries is that if discharged most will come to life and the device will become functional within 3 to 5 minutes of being connected to a charger. However on occasion its taken around 30 minutes. However assuming it has a flat battery and comes to life when connected to a charger or USB power bank that doesn't telly you that much about the battery and how well it will hold a charge. In the absence of test kit only usage will give you an answer. One thing I'd add though and this isn't based on scientific knowledge, if the battery is completely flat once I'd got it on charge I'd want it to charge to 100% in one hit, I'd not want to put a bit of charge in, disconnect and then re-connect later to finish charging. Good luck.

04-20-2017, 11:10 AM	#3
AlanHK Guru Posts: 668 Karma: 929286 Join Date: Apr 2014 Device: PW-3, iPad, Android phone	Yeah, I know that's how phones work; I suppose Kindle is basically the same kind of device and battery. I know that I would not be able to tell how good the battery was, but I could see if the rest was OK. Worst case, if the hardware is otherwise OK I can replace the battery.

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