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A Question About Leaving Something On Charge For Too Long
Posted on 3/23/20 at 11:52 am
Posted on 3/23/20 at 11:52 am
If you leave something like headphones (or your phone, laptop, etc, etc) on charge for too long (let's say for over 24 hrs) does that do damage to the battery long term? Obviously once a battery is fully charged it can't continue to charge, but can it be "over-charged"?
9
Posted on 3/23/20 at 11:52 am to OweO
This is how Glenn Frey died.
Posted on 3/23/20 at 11:53 am to OweO
I was overcharged for toilet paper the other day. Needless to say but I was none too happy.
Posted on 3/23/20 at 11:53 am to OweO
Modern batteries have a chip that prevents this.
Posted on 3/23/20 at 11:53 am to OweO
Please try out the exploding battery theory by leaving your chair plugged in.
Posted on 3/23/20 at 12:00 pm to Jim Rockford
quote:
Modern batteries have a chip that prevents this.
Thank you.
Someone was trying to be a smart arse and mentioned something about my chair, but I do remember when I first got an electric chair, if you left it on charge for too long, over time it did impact the battery. Over time, it would slowly hold less of a charge. Now if I know that I will not be going a long distance, I will skip a day charging it, but when I was younger and always on the go I had to charge it every night and I would take it off charge once I woke up... And on the weekends it would always stay on longer than it needed to and I had to replace batteries at least once every 6 months.
Posted on 3/23/20 at 12:17 pm to OweO
quote:
if you left it on charge for too long, over time it did impact the battery. Over time, it would slowly hold less of a charge.
This used to be the case with older cell phones and laptops. As someone else stated, manufacturers have largely fixed this problem so that essentially once the device is fully charged, if it is still plugged in, it doesn't necessarily continue to draw power and exceed its maximum capacity. Now what dooms batteries IMO is the forced fricking firmware updates that are too power heavy for the device. I have an older iPhone and every new ios updated murders my battery; even with just normal use I can run it down to 50% in a matter of like 2 hours.
I still keep back up batteries around for my laptops, especially if I'll be travelling. Is that an option for your chair or do they have integrated batteries similar to modern smart phones?
This post was edited on 3/23/20 at 12:18 pm
Posted on 3/23/20 at 12:21 pm to OweO
quote:
Obviously once a battery is fully charged it can't continue to charge, but can it be "over-charged"?
Posted on 3/23/20 at 12:32 pm to OweO
quote:
Someone was trying to be a smart
Well someone has to be, you certainly can't do it. A one-minute Google search would have provided the answer, but no, you just had to start yet another thread.
Posted on 3/23/20 at 1:06 pm to OweO
Most electronics aren’t meant to stay charged. A laptop that sits on a docking station for a year will not be as effective after that. A phone that charges all day won’t last as longonxe it’s not being charged.
Posted on 3/23/20 at 1:25 pm to OweO
There are different kinds of batteries, and some are degraded by excessive charging. Some are also damaged by storing fully charged. Consult operating guides and owner's manuals, and don't listen to the technical advice you get on here. 
Posted on 3/23/20 at 1:30 pm to OweO
Just do some circles in your living room
Posted on 3/23/20 at 1:39 pm to Boring
quote:
I have an older iPhone and every new ios updated murders my battery; even with just normal use I can run it down to 50% in a matter of like 2 hours.
The age of the battery also has an effect.
Posted on 3/23/20 at 3:49 pm to BayouBengal
The charge circuits / logic makes it almost impossible to overcharge or ruin a lithium type battery.
Lead acid batteries not so much unless you have a smart charger.
NiMH batteries, the old rechargeable batteries / ones in cheap rechargeable devices, can be damaged by overcharging / develop a memory if a smart charger is not used.
Usually the owners manual will let you know if the device / charger is smart or not, or if the manufacturer recommends leaving it on the charger or not.
Every battery has a life span in number of charges & discharges and age. It can also be influenced by the depth of discharge before charging / how long it is left in a discharged state and temperatures.
Lead acid batteries not so much unless you have a smart charger.
NiMH batteries, the old rechargeable batteries / ones in cheap rechargeable devices, can be damaged by overcharging / develop a memory if a smart charger is not used.
Usually the owners manual will let you know if the device / charger is smart or not, or if the manufacturer recommends leaving it on the charger or not.
Every battery has a life span in number of charges & discharges and age. It can also be influenced by the depth of discharge before charging / how long it is left in a discharged state and temperatures.
This post was edited on 3/23/20 at 3:51 pm
Posted on 3/23/20 at 3:56 pm to OweO
I once left my wife in charge for too long, boy was that a shite show.
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