It obviously is possible, because originally it was supposed to turn blue when fully charged. Some (many?) of us experienced it going dark when fully charged - that was different than advertised, but still indicated a full charge. The continuous white light is less good, in my humble opinion. Not disastrously bad, but not great.
Wondering if this would make more sense? The white light stays on when charging and flashing white every 5 seconds to indicate a full charge? Sure this can be added in a firmware upgrade?
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