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Many idle electronics TVs, VCRs, DVD and CD players, cordless phones, microwaves use energy even when switched off to keep display clocks lit and memory chips and remote controls working. Nationally, these energy "vampires" use 5 percent of our domestic energy and cost consumers more than $3 billion annually
 

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discharge-chemistryIn the late 1700s, Charles-Augustin de Coulomb ruled that a battery that receives a charge current of one ampere (1A) passes one coulomb (1C) of charge every second. In 10 seconds, 10 coulombs pass into the battery, and so on. On discharge, the process reverses. Today, the battery industry uses C-rate to scale the charge and discharge current of a battery.

 

 

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Hitech-Battery-ChargeThe performance and longevity of rechargeable batteries are to a large extent governed by the quality of the charger. In a price-competitive world, battery chargers are often given low priority, especially as consumer products. Choosing a quality charger is important considering the cost of battery replacement and the frustration poorly performing batteries create. The charger should serve as a quintessential master and guardian angel to protect the environment and save money by extending battery life.

 

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