Memory Effect? I think you got the terms wrong.Arh.... That is a misunderstanding with most people nowadays... Let me share my knowledge of battery with you....
In the older days, the battery we are using is call Nickel-metal cells which have lower power capacity, shorter life time and voltage depression aka MEMORY EFFECT. The 8hours first charge come to the picture because memory effect of Nickel-metal battery cells.
So what is memory effect??
In a simple term, it's an effect that causes Nickel-metal cells to hold lesser charge if you didn't charge your battery properly.
So what do I mean by charging your battery cells properly??
It means to fully use up ALL the power in the battery cell and charge it again. If you left your battery with half of it's power remaining and you start to charge it, the power capacity of the Nickel-metal cells will drop to half over a period of time. Therefore to improve the capacity of the old Nickel-metal cells, salesman will usually advice people to charge your battery for 8 hours during the first charge, so to push the battery capacity to the max.
HOWEVER, Nickel-metal rechargable batteries have been replaced by Lithium-ion batteries over the past years. This new form of cell is now very widely used. Example of them are your laptop, handphone, camera rechargable batteries. It's able to contain more power than Nickel-metal, longer life, and most importantly, NO MEMORY EFFECT...
In another words, you don't have to do that 8 hours first charge anymore and you can charge the battery whenever you are happy. In fact, the property of Lithium-ion batteries prefers you to keep it fully charge so to improve it's life spend. Why do i say that? Lithium-ion batteries usually is able to charge for around 1200 cycles. From full charge to flat battery is 1 cycle. So if you left 80% of your battery and you charge it, it will takes 4 times of charging to reach 1 cycle. Got it?? =D
i think it's correct: http://en.wikipedia.org/wiki/Memory_effectMemory Effect? I think you got the terms wrong.
We don't usually call it Memory effect. But i understood what the user was trying to mention.i think it's correct: http://en.wikipedia.org/wiki/Memory_effect
My results showed that the battery that had been charged for 8 hours lasted significantly longer than the battery that was charged at the recommended charge time period of 1-2 hours.
Have not really tried that. Good tip anyway. Thanks. But from what i know, you cannot recondition a battery once it has went through the conditioning process. Correct me if i'm wrong.
Can you be a little less rude, and i already mentioned in my reply that the charger cuts of supply once the battery is fully charged. Please go and read carefully.nonsense. Modern charger for lithium ion batt does NOT trickle charge. Once it sense its charged. The charger CUT-OFF totally. Many kanna misled put their device for 8 - 12 hours that does nothing!
I know it because I have done an experiment on my hand phone charger connecting my multimeter in series on the positive lead (measuring current flow) and nothing flows thru when the charger cut off after 1-2 hours.
Use your blain, the charging indicator on your device already stopped and you still wan to believe it is still charging? hahaha
nonsense. Modern charger for lithium ion batt does NOT trickle charge. Once it sense its charged. The charger CUT-OFF totally. Many kanna misled put their device for 8 - 12 hours that does nothing!
I know it because I have done an experiment on my hand phone charger connecting my multimeter in series on the positive lead (measuring current flow) and nothing flows thru when the charger cut off after 1-2 hours.
Use your blain, the charging indicator on your device already stopped and you still wan to believe it is still charging? hahaha
Can you be a little less rude, and i already mentioned in my reply that the charger cuts of supply once the battery is fully charged. Please go and read carefully.
I did the test and it proved. You can have all the theory you want, but sometimes, in practical, things do not work the same as you plotted on theory. And please don't feel that you alone has a multimeter in this world. I do have one as well. A multi meter is nothing compared to other battery testing devices.
Yupp, yes i did. Both batteries were used immediately after the (1-2hours) charge time or the 8 hours charge time.Just want to clear my doubt, did you used one of the battery immediately after it is fully charged (1-2hrs) ? and the other after 8 hours ?
Once had a handphone battery which I only charged 2hrs for the first charge (was too excited to use it then)..and the battery only lasted me one day of use (standby mode with minimal sms-ing). Bought another battery, and stupidly charged it for 2hrs again for first charge, and like the first, it didn't last. Bought a 3rd battery and did a 12hour charge and *poof*..my phone can finally last 5 days on a single charge. Have tried to "recondition" the first two batteries by doing 12hour charges, but failed.Have not really tried that. Good tip anyway. Thanks. But from what i know, you cannot recondition a battery once it has went through the conditioning process. Correct me if i'm wrong.
Because i used the batteries as per normal. The battery that was charged 8 hours still holds a longer period than the battery that was charged 1-2 hours. Till today.
So i believe, it has reached the battery charge hold level state.
hmmm it happens no matter what charger i use..Hmm, weird. Then your charger has some kind of problem. It's overcharging i think. Dangerous.