Comparison · Batteries

CALB L173F230B LiFePO4 230 Ah or Samsung INR 18650-20S

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 at high current: CALB L173F230B LiFePO4 230 Ah (237280 mAh vs. 1990); Resistance: CALB L173F230B LiFePO4 230 Ah (0.18 mΩ vs. 7).

Model	CALB L173F230B LiFePO4 230 Ah2024Read review →	Samsung INR 18650-20S2019Read review →
Capacity at high current, mAh	237280	1990
Resistance, mΩ	0.18	7
Review conclusion	Recommended	Recommended

Only in one review: Capacity 2021 mAh (Samsung INR 18650-20S); Test current 30 A (Samsung INR 18650-20S); Energy 6.815 Wh (Samsung INR 18650-20S); Temperature rise 84 °C (Samsung INR 18650-20S); Weight 4200 g (CALB L173F230B LiFePO4 230 Ah).

CALB L173F230B LiFePO4 230 Ah: The four cells exceeded their rated capacity, delivering about 240 Ah at a 40 A discharge.

Samsung INR 18650-20S: The high-current cell delivered well with modest heating, and the author unequivocally recommends it.

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.