Touch A question on battery life and charging the battery

anguila · 07-25-2014, 02:44 AM

If I charge my Kobo before the battery depletes, for instance between 20-30%, and I keep recharging never below that level, does that reduce battery life?

In other words, is it harmful to recharge the battery when it's not fully depleted?

I have this prejudice(?) that batteries have to be recharged only when they're almost out of juice, else their capacity declines quickly. Not sure where I've learned it.

davidfor · 07-25-2014, 03:06 AM

The Kobo devices all use Li-Ion batteries. It is generally better for Li-Ion batteries to not completely discharge them. Completely discharging before recharging is more for NiCad and NiMH batteries. Li-Ion batteries are fine with partial discharge and recharge cycles. What you are doing is what is usually recommended for them.

anguila · 07-25-2014, 01:00 PM

That is good to know, thanks

rhy7s · 07-28-2014, 07:52 AM

Also, check out the articles at Battery University

07-25-2014, 02:44 AM	#1
anguila Member Posts: 12 Karma: 12050 Join Date: Mar 2014 Location: Argentina Device: Kobo Touch N905C	A question on battery life and charging the battery If I charge my Kobo before the battery depletes, for instance between 20-30%, and I keep recharging never below that level, does that reduce battery life? In other words, is it harmful to recharge the battery when it's not fully depleted? I have this prejudice(?) that batteries have to be recharged only when they're almost out of juice, else their capacity declines quickly. Not sure where I've learned it.

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07-25-2014, 03:06 AM	#2
davidfor Grand Sorcerer Posts: 24,905 Karma: 47303822 Join Date: Jul 2011 Location: Sydney, Australia Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos	The Kobo devices all use Li-Ion batteries. It is generally better for Li-Ion batteries to not completely discharge them. Completely discharging before recharging is more for NiCad and NiMH batteries. Li-Ion batteries are fine with partial discharge and recharge cycles. What you are doing is what is usually recommended for them.

07-25-2014, 01:00 PM	#3
anguila Member Posts: 12 Karma: 12050 Join Date: Mar 2014 Location: Argentina Device: Kobo Touch N905C	That is good to know, thanks

07-28-2014, 07:52 AM	#4
rhy7s Junior Member Posts: 8 Karma: 10 Join Date: May 2013 Device: Kobo Touch / Sony PRS-T1 / Sony PRS-T2	Also, check out the articles at Battery University

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