Originally Posted by kitch9
Op said he connects his machine for HOURS. If he said YEARS I'd agree with you, all li-ion modern batteries have circuits which moderate their charge cycle to condition the battery when plugged in. When your device is plugged in it doesn't actually mean the battery is charging if it doesn't need it then it won't be. You might want to research that.
Of course its not charging if its full, otherwise it would go up in flames. But Valynor is right, storing lithium batteries fully charged is not good for the battery.
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