The Teclast T40 Air is a relatively slim 10.36-inch tablet that doesn't weigh that much. Even so, it features a huge battery which resulted in excellent runtimes during our test. In this review, you can find out about what other qualities it has — and whether it has any weaknesses, too.https://www.notebookcheck.net/Teclast-T40-Air-tablet-review-Very-good-runtimes-despite-not-being-too-expensive.771447.0.html
Why you compare this to the obsolete Lenovo Tab M10 3 Gen instead of Plus Gen and with Snapdragon and UFS storage? We can get it here for 155 euros. 199 with pen and folio.