A group of us received these from our company years back and 50% of us have a reoccurring intermittent problem. We charge our batteries and at some point (sometimes as soon as an hour after) the battery charge drops from where ever it is at that moment immediately to 0V. Changing the battery for a new one does not help. Tim
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Re: battery discharges instantly
If the LCD/Display is left on all the time, I can see that it would discharge quickly.Check any settings that have to do with power usage (LCD on time, etc)
I would change the battery still with a known good one. I suppose it is possible that the phone itself has a problem where the battery management/power management IC is haywire. Easist solution is to replace the phone.
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engine running or not,,??????
or dead charging system.
rusty battery terminals.
check battery voltage parked key in pocket, see 12.65vdc.
if lower , on a warm day the battery is discharged
or at 30F it must be.12.58vdc, rested, if not the battery is discharged
or battery is bad.
if discharged , then charge it.
and fix the bad charging system.
ok you jump start car.
and the battery voltage is 13.3 to 15vdc, if not the charge system is failing, or engine RPM below 800.
if running voltage is below 13.3v the charge system is failing running.
Panasonic ES-RT51 battery problems?
If your razor battery runs down after only a few shaves e.g jumps from 60% to zero Let the razor completely discharge by leaving it switched on until the blades stop moving completely. (This can take over 24 hours so be patient) When they are stop moving recharge the battery and you will find the battery will charge and discharge just like new!
(This may take a couple of discharge cycles). Only charge the battery when it is flat after this and the problem SHOULD not reoccur.
If the re-chargeable battery is more than 3 - 4 years old then the battery could be worn out. Rechargeable batteries have a finite number of charge and discharge cycles and will lose their charge capacity over time, i.e. won't charge to 100% and gradually the charge reduces until the battery won't charge up at all. OR The battery shows a 100% charge but when the adapter is disconnected the battery drops off to zero capacity in a very short time. If the battery drops to an unacceptable charge level then the battery needs to be replaced. Rechargeable batteries will fail if stored in a discharged state for long periods.
All batteries have a FINITE amount of time before they can no longer hold a charge, if your battery is older then a year it is no longer covered under warranty either. Have you noticed prior to this that the battery was holding less and less of a charge? ALSO batteries do over heat and stop receiving a charge, best way to tell is to keep the laptop plugged in. unplug the battery for a minute, then plug it back in and see on your task bar if it says charging or plugged in not charging. let me know! good luck to you as well!
The alternator can maintain a charge on a good battery. It's not designed to recharge a dead battery. You should have both the battery and the alternator tested to make sure they are ok. If the battery and alternator both test out ok, have the battery charged and everything should work fine.
Depending on how much you have used them, two years may be all you are going to get. Make sure the battery is fully discharged before re-charging if you have not tried that already. It is recommended for those type. Sound like just need a replacement. Are you sure the charger is ok? take care.
If the laptop battery is more than 3 - 4 years old then the battery could be worn out. Rechargeable batteries have a finite number of charge and discharge cycles and will lose their charge capacity over time, until they won't charge up at all. A new replacement battery will fix this problem.
Why do you want to discharge. Lithium Ion batteries do not have a memory, though they do require a few charge cycles to reach full capacity. In this case, discharge in camera under normal usage.
Another possibility is if you got a very good deal on the internet for a battery, say 50% off, chances are the date code for this battery, even if it was bubble packaged, had expired. Lithium batteries have about a year shelf life before they begin to fail to completely take a charge. Retailers know this and dump them onto the 'gray' market. Another possibility is if you got a very good deal on a charger for your batteries. Lithium batteries are much more complicated to charge and a cheap charger can hurt them more easily than a cheap charge can hurt a nicad or nimh.