The kasyak with the battery seems to have been cured by installing the nova launcher (or try another one). I decided to test the battery: watching YouTube at ~ 35% brightness and hd 720p quality (airplane mode, sound no more than 50%), see screenshots. From the screenshots it can be seen that in terms of autonomy this tablet is MEGACOOL
Green ASUS Memo Pad HD 7-Inch Tablet with 16 GB Storage (ME173X-A1-GN)
89 Review
Tablet ASUS Nexus 7 (2013)
93 Review
7" Tablet Prestigio SmartKids (2019), 1/16 GB, Wi-Fi, Android 8.1, blue
79 Review
10.1" Tablet Lenovo TAB 2 A10-70L (2015), RU, 2/16 GB, Wi-Fi + Cellular, Android 4.4, blue
124 Review
Refurbished 2019 Apple iMac with Retina 4K/3.6 GHz Intel Core i3 🖥️ Quad-Core (21.5-Inch, 8GB RAM, 1TB) - Silver: Ultimate Deal on a Powerful Renewed Desktop!
13 Review
27" Apple iMac All-in-One (Retina 5K, Mid 2020) MXWT2RU/A, 5120x2880, Intel Core i5 3.1GHz, 8GB RAM, 256GB SSD, AMD Radeon Pro 5300, MacOS, Silver
13 Review
Processor AMD Ryzen 7 PRO 4750G AM4, 8 x 3600 MHz, OEM
11 Review
🖥️ Dell Optiplex 990 Tower Business Desktop Computer: Intel Quad Core i5, 8GB RAM, 500GB HDD, Windows 10 Pro (Renewed)
12 Review