Comparison · Battery packs and power banks
BL1850 or Cubot Rainbow battery 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: BL1850 (4795 mAh vs. 2161); Test current: BL1850 (30 A vs. 1).
Model BL1850 TPcell · 2023 Read review → Cubot Rainbow battery 2016 Read review → Capacity, mAh 4795 2161 Test current, A 30 1 Review conclusion Recommended Recommended
Only in one review: Energy 88.43 Wh (BL1850); 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.
Cubot Rainbow battery: The battery measured 2161 mAh total and 2078 mAh usable by the phone, close to its stated capacity.
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.
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BL1850TPcell · 2023Read review →
Cubot Rainbow battery2016Read review →