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. 5933); Energy: BL1860 (109 Wh vs. 26.85); Test current: BL1860 (20 A vs. 6); Resistance: BL1860 (30 mΩ vs. 37).
Only in one review: Temperature rise 77 °C (BL1860); 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.
BL1860: The Samsung 30Q-cell pack delivered its claimed capacity and pleased the author more than the previous one.
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.