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Guide on Charging Rechargeable Batteries

Updated on June 30, 2011
Rechargeable Batteries
Rechargeable Batteries

Charging rechargeable batteries is an important factor in determining the life cycle of this type of battery. Rechargeable batteries can be unstable at times hence in order to maximize its full potential, you need to know the appropriate way of charging rechargeable batteries.

Here are some charging guidelines that can help you lengthen your rechargeable battery life cycle:

With the availability of so many types of chargers nowadays, there are different ways of charging rechargeable batteries. Every type of charger of course has its own merits over another thus it may be more ideal in certain situations than the others.

There are three general rates of charging which is based on the length of time they are subjected to electrical current: the slow or overnight charging which is done in 14-16 hours, the quick charging which is usually at 3-6 hours, and the fast charging which finishes at less than an hour.

Though fast charging and quick charging are easier than overnight charging, it causes the batteries to become more prone to overcharge because a higher current is applied on the batteries.

Overcharging must be prevented when charging rechargeable batteries as it can damage the cells. A good technique when charging rechargeable batteries is employing timers and alarm clocks. These ordinary gadgets can be utilized to alert yourself it is already time to unplug the charger.

There are also unique designs of charger that can help you lengthen your rechargeable battery life. One of them is the universal charger that comes with a sensor that can determine the type of battery that is being charged so that the right amount of current is applied.

This is especially useful if you use both nickel metal hydrides and nickel cadmiums. Another special type of charger is the smart charger. It has a microprocessor that can monitor the voltage, temperature, and state of charge of the battery.

Additionally, it automatically ceases charging rechargeable batteries by the time it achieves its full energy capacity, to protect it from overcharging.

Finally, there is the trickle charger which only applies a low current on the battery, at about its self-discharge rate, so that it can achieve its full capacity.


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