This thing is, a lot of people are complaining because eink devices cannot have a backlight, yet they bought one anyway. If we were to have a light wedge type add-on for our eink devices, I'd want it to run it's own battery. Would you like to see your device cut in 12 (maybe) if you turned on the light?
If a light source is that important, then don't buy a device that doesn't come with one r do what others have done and purchase a book light and use that.
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