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If you can't find it in our standard product catalog, talk to us! Years of experience with unusual applications have resulted in a rich portfolio of adaptable custom products with existing safety agency approvals, reducing your costs and saving time.

Do You Need a Power Supply or a Battery Charger?

Custom Battery Charger

The terms “Power Supply” and “Battery Charger” are often used interchangeably, but they perform distinct functions.

A power supply is designed to supply a constant voltage to a load. As the load requirements change, it continues to supply a fixed DC level.

A true battery charger generally supplies a regulated current, first to charge the battery, and then switches to a regulated voltage mode. This is specifically required for Li-Ion chemistry where overcharging is not only damaging to the battery cells, but can also pose a possible fire hazard. A smart battery charger will not only never overcharge cells, but can also monitor battery temperature, switching off a fast charge when certain parameters are exceeded.

A power supply used as a charger cannot do this, and will continue to pump energy into a battery regardless of its condition; fully charged, battery fault, or shorted cells.

In order to achieve maximum battery service life, a properly designed charger should always be used to charge cells.

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