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3rd party USB chargers.

Started Aug 30, 2020 | Discussions thread
jnd Regular Member • Posts: 250
Re: 3rd party USB chargers.

Two pins are for main battery connection, the other two pins are for temperature sensor so the charger can slow down or turn off charging if it gets too hot. It's a safety feature first, decide if it's worth it for you to be safe from possible fire situation or if you are willing to monitor the full charging cycle. Chances of problem with fresh Canon made battery is low, chance grows for 3rd party battery or well used one where internal resistance grows and so the temperature generated during charging.

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