What Type Of Battery Do I Need

The performance of batteries has come a long way over the last few years with the

rapid increase in the amount of uses and devices the world uses today that require batteries. With the continuing rapid growth in population and the continued drive of the digital age the requirements range from smart phones and tablet computers to residential and commercial buildings lighting as we require massive increases in residential and commercial buildings.

Typically batteries over the years lost memory and or didn't perform for very long requiring constant replacing and or the required purchase of more than one battery for your devices. Moreover, we can all remember the days of having to be very careful when recharging mobile phones as incorrect methods resulted in the rapid decline of the batteries performance.

Today with the advent of smarter technology and rechargeable batteries the use of batteries has become more widespread and we how have much more effective battery performance in our devices and commercial requirements.

One of the more common required battery types is the Ni-Cd battery most commonly used on commercial and industrial and high density residential situations as the power source for Emergency Lighting and Exit Sign Lighting. Correctly known as Nickel-Cadmium Cylindrical Cell the battery can consist of various battery cells delivering different levels of voltage. For example there is a range of ratings for batteries that describe the various performance criteria.

Nominal Voltage is usually a single cell or battery pack. Nominal Capacity is a standard charge or discharge. Other ratings include standard charge rate, trickle current.

Operating temperatures are important as to the type of battery that will perform best from operating temperatures of minus 20 degrees Celsius up to 70 degrees Celsius with various humidity conditions. For example in the range of minus 10 degrees Celsius to 45 degrees Celsius the requirement will be for a rapid charging battery.

Storage temperatures are also important with the life of the battery affected by temperature. For example at between minus 20 degrees Celsius to 35 degrees Celsius the storage life span of the battery will be up to two years. Whereas for storage temperatures in the range of minus 20 degrees Celsius to 55 degrees Celsius the storage period becomes only one week.

Furthermore as NiCd batteries are typically used within the wide variety of commercial situations testing is required to ensure the safe and ongoing performance of the batteries. Unless otherwise stated, tests should be done within one month of delivery under the following conditions: Ambient Temperature,T1: 205OC Relative Humidity: 6520% Notes: Standard Charge/Discharge Conditions: Charge: 400mA(0.1C)15 hours Discharge: 800mA(0.2C) to 1.0V/Cell

Copyright (c) 2012 Morel Hudson

by: Morel Hudson

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