Aura H2O battery drain during sleep

ynaffit · 11-01-2016, 04:09 AM

I bought a used Kobo Aura H2O on ebay and received it a few days ago. With Wi-Fi off, the battery indicator doesn't seem to go down much at all while reading.

The day before yesterday, I read on it for maybe an hour, and I think the battery indicator was still at 100% when I put it to sleep. Tonight I was surprised to find the battery at 52% when I woke it up for time since then (and it quickly went down to 50%). Wi-Fi was disabled the entire time.

Is this normal? I expected the battery to last weeks with the device on sleep. Should I attempt to return it to the seller? Do I need to turn it off completely in order for it to retain charge?

ETA: I was not using the light at all while reading before putting it to sleep.

JSWolf · 11-01-2016, 04:56 AM

I would do a factory reset and then install the firmware 3.19.5761. You don't know if the previous owner has installed anything that could be draining the battery.

ynaffit · 11-01-2016, 07:45 AM

It seems like it was probably reset already when I got it, but I've reset it again . . .

robko · 11-01-2016, 07:06 PM

In the settings make sure the "Automatic sync" is turned off. It can get caught in a loop if it can't connect to your wifi or wifi is turned off and drain battery. You should have minimal drain leaving it for a couple of weeks in sleep.

11-01-2016, 04:09 AM	#1
ynaffit Junior Member Posts: 3 Karma: 10 Join Date: Nov 2016 Device: Kobo Aura H2O	Aura H2O battery drain during sleep I bought a used Kobo Aura H2O on ebay and received it a few days ago. With Wi-Fi off, the battery indicator doesn't seem to go down much at all while reading. The day before yesterday, I read on it for maybe an hour, and I think the battery indicator was still at 100% when I put it to sleep. Tonight I was surprised to find the battery at 52% when I woke it up for time since then (and it quickly went down to 50%). Wi-Fi was disabled the entire time. Is this normal? I expected the battery to last weeks with the device on sleep. Should I attempt to return it to the seller? Do I need to turn it off completely in order for it to retain charge? ETA: I was not using the light at all while reading before putting it to sleep. Last edited by ynaffit; 11-01-2016 at 04:17 AM.

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11-01-2016, 04:56 AM	#2
JSWolf Resident Curmudgeon Posts: 74,038 Karma: 129333114 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3	I would do a factory reset and then install the firmware 3.19.5761. You don't know if the previous owner has installed anything that could be draining the battery.

11-01-2016, 07:45 AM	#3
ynaffit Junior Member Posts: 3 Karma: 10 Join Date: Nov 2016 Device: Kobo Aura H2O	It seems like it was probably reset already when I got it, but I've reset it again . . .

11-01-2016, 07:06 PM	#4
robko Wizard Posts: 2,454 Karma: 5469320 Join Date: Jul 2010 Device: Kobo	In the settings make sure the "Automatic sync" is turned off. It can get caught in a loop if it can't connect to your wifi or wifi is turned off and drain battery. You should have minimal drain leaving it for a couple of weeks in sleep.

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