Rechargeable battery Memory effect

Many people feel doubt about the memory effort of a rechargeable battery, they may think that if a battery has some remaining charges with it, the next recharge will not hold as much charges as it should. In fact, this is not really the case. When people encounter the less capacity problem with a rechargeable battery after using for some time, they will blame on the memory effect and start draining the remaining power to zero before they start recharging them.

If we study carefully the main 2 reasons why battery unable to output the capacity as they used to be, then we need to find out the following reasons:

i) Over charging
This is the main reason of the decreasing capacity, even the best rechargeable batteries could not avoid the peak voltage from dropping off much quickly as it was new one. Put it the simple way, the more time we charge the battery, the peak voltage become lower, especially those high drain electronics. These electronic devices will consume higher voltage if a reused batteries are utilized.

ii) Usage period
We know very well, the rechargeable batteries are built not to last. Although it is claimed that a new battery can be recharged 1000 times before it runs out from its life span. However it still follows the declining graph where every time it recharges, the lesser the capacity it holds. Eventually they will be going to be less effective as compare as they were before.

Don't attempt to do this at home

Found one video on youtube.com on recharging a non-rechargeable battery, how dangerous it would be to recharge a non-rechargeable alkaline batteries?

Try recharging non-rechargeable batteries (extract from youtube.com)

We are warned not do charge a normal alkaline battery on a battery charger as stated in the disclaimer on the battery package where nobody guarantee any accident could happen and how serious it will cause due to the intention to recharge an alkali battery.

Looking at this guy who claimed to be an expert from a certain institute who so-called prepare the safety measure in place before the actual demo. The safety precaution prepared is not sufficient, e.g.

1. Fire distinguisher at the site
2. protecting shield made from a glass lid
3. Bandage for emergency rescue
4. Vicks Vapor Rub to prevent any breathing difficulties

The way he did the experiment is not secure at all. The site is setup at a kitchen, during the demo, he even feel and sounds like worry and gasping. For a closer look, he even dare to touch the alkaline battery being recharging as if it will explode anytime.

Luckily there isn't any accident during the video being shot, although the alkaline battery was getting hotter due to the chemical reaction occurred inside the battery, but nothing leak out.

At the end of the demo, he seems to be convinced by the result and claimed that all this while, all the battery companies was lying to the public which is not true. As well as nobody claim that this experiment is accurate or reliable. He seems like finding a new discovery.

Some of the comments given for this short video, saying this guy was crazy and weird.

For more information on choosing a good quality AA battery charger, kindly visit here.