Several months ago, I bought an Onyx T68. It's larger than the AG2, but the battery is about the same size. Its battery life was so-so from the start, and hasn't changed in the meantime. Nothing I've tried has made much difference in its battery life, either. If there was something to Arta Tech's "charger argument", my battery life would get worse and worse. (Besides, wouldn't they be opening themselves up to lawsuits for selling hardware with a known issue and not informing users?)
Later, because of some nagging issues with the T68, I bought a Boyue T62. It has the same size screen as the AG2, but a larger battery (3000mAh). The first few days, the battery life still seemed so-so. But, once I rooted it and installed SetCPU, the battery life was much better - comparable to my PaperWhite 2 or my old Nook Simple Touch. (SetCPU didn't do much of anything for my T68, sad to say.) So, it is theoretically possible - if a company matches the right battery size to its product and configures it well - to have an Android e-ink device that will get fine battery life. But will they?
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