7000mAh, roughly 1.5 to 2 days light useThat capacity gives you about 8 to 10 hours of screen-on time in mixed use, or significantly longer if you mostly read email and browse.
charging
25W wired, roughly 1 hour to fullA medium-size charger means you will not top up in 20 minutes, but a full charge from empty takes about an hour.
display
6.7 inch AMOLED, 420 nits peakThe large screen is bright enough for outdoor reading in strong sunlight, though not quite as punchy as phones with 600+ nits.
performance
Exynos 9825, 2021 mid-range gamingYou can run graphically simple games and apps smoothly, but demanding 3D titles will need reduced graphics settings to stay smooth.
camera
64MP main with f/1.8 apertureGood low-light capture due to the wide aperture and large sensor size, producing sharp detail in daylight shots at normal zoom.
storage
128GB internal, microSD expansionYou have 128GB to work with, and can add up to 1TB more via microSD for photos, video, or apps.