Comparison · Batteries

BAK N21700CG 5000mAh or LiitoKala Lii-40E, 26700, 4000 mAh

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: Resistance: LiitoKala Lii-40E, 26700, 4000 mAh (13 mΩ vs. 13.5).

Model	BAK N21700CG 5000mAh2023Read review →	LiitoKala Lii-40E, 26700, 4000 mAh2022Read review →
Current, A	15	20
Resistance, mΩ	13.5	13
Review conclusion	Recommended	Not recommended

Only in one review: Voltage 3.2 V (LiitoKala Lii-40E, 26700, 4000 mAh); Test current 20 A (LiitoKala Lii-40E, 26700, 4000 mAh); Temperature rise 72 °C (BAK N21700CG 5000mAh).

BAK N21700CG 5000mAh: Solid mid-range cells suited to flashlights and power banks with modest loads.

LiitoKala Lii-40E, 26700, 4000 mAh: The cell cannot handle the claimed 20 A; the author advises against buying it and suggests using it at 4–8 A.

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.