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If the rechargeable 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.
li-Ion batteries have a bad habit: whenever fully depleted, they lose a few cells, to the extent that they might not be able to hold a full charge if enough cells are damaged. In other words, repeatedly using a laptop (or any other Li-Ion powered device) to battery depletion can shorten the battery's life significantly. You might want to keep the batteries fully charged whenever possible and avoid fully depleting them too often. There is also the habit of "re-setting" the batteries by using the "fully deplete-fully charge" procedure. It only applies to niMH or NiCD batteries ( and is used to erase the "memory effect" ) but is damaging to Li-Ion batteries for the reason mentioned above. so if your battery can not full charge,this mean you need change a new battery for your laptop http://www.aulaptopbattery.com.au
Has the battery been fully discharged (used until it will not power up the item) very many times? This is very bad for Li/Po batteries. If the phone is less than 6-12 months old, I would contact my cell provider and ask for a replacement battery. In lieu of your provider replacing it, your only option will likely be to replace it yourself. Unlike the old-school Ni/Cad rechargeable batteries, Li/Po batteries lose their ability to hold a charge if they are drained fully too many times. Also a good tip with a new battery is to charge it longer than just until the battery power indicator is full (overnight is a good basic rule, but check your phone's user guide or google the specific battery model for recommended charge times) for the first few charges, and avoid letting it fully discharge. Try to get it on a charger with at least 1 or 2 bars left. This will increase the life of a cell phone battery dramatically.
Ifthe battery is more than 3 - 4 years old then the battery could be wornout. Rechargeable batteries have a finite number of charge and discharge cyclesand will lose their charge capacity over time, i.e. won't charge to 100% andgradually the charge reduces until the battery won't charge up atall.
ORThe battery shows a 100% charge but when the adapter is disconnected thebattery drops off to zero capacity in a very short time.
Ifthe battery drops to an unacceptable charge level then the battery needs to bereplaced.
the battery's are most likely dead, (like the real dead) after many uses of rechargeable battery's they slow stop holding charge at all, make sure when you get a new rechargeable battery you fully charge it once and fully discharge it once this will increase batterys life time
You might have what is called "memory'. If you continue to replace the phone on it's charger after each call the battery will "think" it's empty, giving you s short charge time. Next time you replace the batteries (rechargeable) FULLY charge them then leave the phone off the charger until you go to bed at night.
* CHECK YOUR AC OUTLET WITH NO LOOSE CONNECTIONS.(remove multi adapters mostly caused problems)
* FULLY RECHARGE THE BATTERIES.
* CLEAN DE BATTERY CONTACTS IN & OUTSIDE THE HANDSET & THE BASE UNIT.
* IS THE BATTERIES DON'T GET CHARGED FULLY IN OVER NIGHT.PLEASE REPLACE THOSE.
* REPLACE WITH ONLY RECOMMENDED RECHARGEABLE BATT"S.
* PLACE THE BASE UNIT AT CENTRALIZED AREA FOR THE MAXIMUM HANDSET RADIATION.
* KEEP THE BASE UNIT AT SAME FLOOR.
The motor is fine, what happens is that the internal battery loses the ability to fully charge and run the motor for a long period of time. While you "could" change the battery out with a newer one using solder, it's unlikely that it would cost less than buying a newer model at the store or from ebay. The average life of good shavers made a few years ago was about 3-5 years due to the type of batteries in it. I used mine with a charging cord for a while but that became an issue once while traveling. I bought a new one.
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