I bought the A7 Lite 2 months ago, actually only because it was so cheap and a strong battery was advertised. It's always the same with batteries: In the first year, the advertising is still half right, but from the second year onwards, the performance decreases and the phone is always stuck in the charging station.

However, I am still very satisfied with it and would buy it again. It's lying around here in the office and I only need it in between, because I have several other devices. So the battery lasts a good week, but I've never measured the time. It's a super thing on the cheap, less than half the price of an iPad mini, slim and stylish, but not a gamer tab.

You can't ask this question like that any more. It only depends on the battery capacity and the use of the tablet. Just like with a car. How long does a full tank last? 1 month or 1 day?