Replacing batteries with wall transformer
Date
2018
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Publisher
EWH
Abstract
Batteries are often used to power electronic devices. Batteries provide the required current and voltage. Secondary batteries (rechargeable) have a limited capacity. Recharging batteries can be costly. Secondary batteries can only be recharged a few hundred times. After that, the rechargeable batteries will not accept recharging. When you cannot find replacement batteries, you can sometimes replace batteries by wiring a wall transformer or a cell phone charger to the device in place of the batteries. You must insure that the wall transformer or cell phone charger provides the same voltage and current the device requires.
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Keywords
Power Supply