Two models side by side: measurements taken by the author in their reviews, and their conclusions. The better value in each row is highlighted.
In brief: Based on review measurements: Capacity: Battery for Teclast Tbook 10S (7124 mAh vs. 5957); Energy: Battery for Teclast Tbook 10S (26.85 Wh vs. 21.48); Test current: 2P 6400 pack (6.7 A vs. 6).
Only in one review: Resistance 37 mΩ (Battery for Teclast Tbook 10S); Weight 110 g (Battery for Teclast Tbook 10S); Price 19.5 $ (Battery for Teclast Tbook 10S).
Battery for Teclast Tbook 10S: The battery measured 7,124 mAh and restored the tablet’s runtime to roughly like new.
2P 6400 pack: Capacity is slightly below the rating; protection trips at 6.7 A, and measured capacity is 5957 mAh.
Figures were taken from the review text and checked against the quoted passages. Measurement conditions differ between reviews, so read the reviews yourself before buying. Prices at the time of review.