Batteries Pack >> UMPC, NetBook & MID Battery

Disclaimer:
The batteries supplied by our Company are [replacement for] sold for use with certain products of computer manufacturers, and any reference to products or trademarks of such companies is purely for the purpose of identifying the computer manufacturers with which our products [are replacement for] may be used. Our Company and this Website are neither affiliated with, authorized by, licensed by, distributors for, nor related in any way to these computer manufacturers, nor are the products offered for sale through our Website manufactured by or sold with the authorization of the manufacturers of the computers with which our products [are replacement for] may be used.

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Battery Related Questions

What is a battery?

Battery, can be any device that stores energy for later use. The word battery is limited to an electrochemical device that converts chemical energy into electricity, by use of a galvanic cell. A galvanic cell is a fairly simple device consisting of two electrodes (an anode and a cathode) and an electrolyte solution. Batteries consist of one or more galvanic cells.

A battery is an electrical storage device. Batteries do not make electricity, they store it. As chemicals in the battery change, electrical energy is stored or released. In rechargeable batteries, this process can be repeated many times.

How do I identify my battery?

The first information to provide would be the make and model of the equipment that you require the battery for e.g. Toshiba Satellite Pro 400, or Compaq Presario 1283. There is also usually a label on the battery, and some of the information on the label will help our sales team to identify your battery quickly.

This information includes the voltage of the battery pack (note: this is not the same as the voltage on the power supply), the capacity of the battery pack and the chemical construction of the battery pack e.g. Li-ion, Ni-MH or Ni-Cd. This information can be used to ensure the information you have provided matches the information we have about your battery. Many battery packs also have part numbers on the label; this can sometimes be used to help identify the battery. We would suggest that it is best to have all this information written down or close to hand before you call our sales team. This will help us deal with your call in an efficient manner.

How to Maximize and Battery Performance?

It is recommended to condition (fully charge and discharge) the new battery few times to allow it to reach its maximum rated capacity.

Condition the Ni-MH and Ni-Cd battery at least once a month. It will reduce the memory effect.

Use the battery at least once a month even it was kept in a dry and cool storage.

Clean the metal connector (the contact to the notebook, usually in color of gold or silver) by alcohol or Electronics Cleaner Degreaser. It will maintain the good conductivity which improves the power conduction from battery to Notebook.

Fully optimize the Power Management features provided in system BIOS and Operating System will also improve the battery performance. Consult the user's manual to fully understand the usage of these features.

How do I charge my batteries?

Our Ni-MH chargers are fully automatic. Plug your charger into an A/C (or D/C power source for the Powerex MH-C204F-DC) and place your batteries into the charger in matched pairs of two or four batteries to begin charging. Red lights indicate charging in progress. The lights will turn green when charging is complete and the charger will automatically switch to a trickle charge. The trickle charge will keep your batteries fully charged and ready for use. Refer to our Charger Manuals page for more detailed operating instructions for your model charger.

What is "Memory Effect"?

Ni-Cd batteries, and to a lesser extent Ni-MH batteries, suffer from what's called the "memory effect". What this means is that if a battery is repeatedly only partially discharged before recharging, the battery "forgets" that it has the capacity to further discharge all the way down. To illustrate: If you, on a regular basis, fully charge your battery and then use only 50% of its capacity before the next recharge, eventually the battery will become unaware of its extra 50% capacity which has remained unused. The battery will remain functional, but only at 50% of its original capacity. The way to avoid the dreaded "memory effect" is to fully cycle (fully charge and then fully discharge) the battery at least once every two to three weeks. Batteries can be discharged by unplugging the device's AC adapter and letting the device run on the battery until it ceases to function. This will ensure your battery remains healthy.

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