Quote:
Originally Posted by Jarmex
Approximately 6 weeks 
I've previously had it on the wall charger for a few days, and have left it for the last day or so on charge as well 
When I disconnect the battery, the tree still shows. Is this normal?! |
Yes.
An e-ink panel is meta-stable, similar to real ink.
It always shows the last thing that was written to it.
hours, days, years, until the e-ink dies of old age.