Battery Knowledge

Battery Glossary

Battery Charge: This is the process of converting electrical energy into chemical energy of the battery pack. The battery pack converts chemical energy into electrical energy when you use it to power the equipment.

Li-ion: Lithium Ion. This is one the newest battery types available. It can offer the same power as a Ni-MH battery in a smaller and lighter package. This type does not suffer from 'Memory Effect' but it is expensive to manufacture.

Ni-Cd: Nickel Cadmium. This is one of the oldest battery technologies that are still in use. Usually found only in older equipment or applications that require a high power drain. Very prone to 'Memory Effect' so good care must be taken with this battery to ensure most effective use of battery.

Ni-MH: Nickel Metal Hydride. This battery type has virtually replaced the Ni-Cd batteries. This type offers higher capacities, around 30% more than a Ni-Cd cell of the same physical size. This type is also reported to suffer less from 'Memory Effect'.

Battery Voltage: A unit for measuring electrical pressure. All batteries provide DC (Direct Current) electricity. It is important to ensure that the equipment you are powering is being provided with the correct volt or else the equipment may be damaged.

Battery Frequently Asked Questions

How long will the new main battery power the laptop?
Battery run-time of a laptop is difficult to determine. Actual battery running time depends on the the equipment's power demands. The Screen Brightness, the hard drive and other accessories result in an additional drain upon the battery, effectively reducing its running time. The total run-time of the battery is also dependent on the design of the equipment. Generally, a new Hi-Capacity battery will run 30% to 50% longer than the old battery did when it was new.

Please unplug the laptop adapter, and use the battery only to power the laptop at least once a week. This can make the battery cell in an active mode. If you plun on the laptop adapter, the laptop is powered by the adapter and the battery is in standby mode.
If your laptop battery has only 20% capacity, please recharge it in time. This can extend the battery's life.

How to Maximize and Battery Performance?
New laptop battery comes in 30% charge status. You can pull the laptop ac adapter out of the laptop, and use the battery only to power your laptop until the computer sends out a low battery power warning or the laptop shuts off itself; then, fully recharge the battery. It needs three to four discharge/charge cycles to achieve maximum capacity of the battery.

What is a battery cycle?
Cycle life is measured by the amount of times a battery may be charged and discharged. Every time a battery is charged and discharged, it uses one cycle. Cycle life is very important in battery applications.

How long do batteries last?
A rechargeable battery's charge-discharge cycles under normal operating conditions is generally between 500 to 800 . That is one and a half to three years of battery life for the average user. As your rechargeable battery begins to die, you will notice a decline in the running time of the battery. When your two hour battery is only supplying you with an hour's worth of use, it's time for a new one.

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