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: 2P 6400 pack (5957 mAh vs. 4795); Energy: BL1850 (88.43 Wh vs. 21.48); Test current: BL1850 (30 A vs. 6.7).
Only in one review: Resistance 35 mΩ (BL1850); Temperature rise 74 °C (BL1850).
BL1850: A pack with genuine high-current cells delivered about 4,800 mAh; the author says it is worth buying.
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.
BL1850TPcell · 2023Read review →
2P 6400 pack2019Read review →