Comparison · Batteries

LiFePO4 EVE Energy 3.2V 90Ah or Uniden BP-38/BP-40 radio batteries

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: Test current: LiFePO4 EVE Energy 3.2V 90Ah (90 A vs. 0.5); Resistance: LiFePO4 EVE Energy 3.2V 90Ah (0.28 mΩ vs. 148).

Model	LiFePO4 EVE Energy 3.2V 90Ah2021Read review →	Uniden BP-38/BP-40 radio batteries2018Read review →
Test current, A	90	0.5
Resistance, mΩ	0.28	148
Review conclusion	Recommended	With reservations

Only in one review: Voltage 4.8 V (Uniden BP-38/BP-40 radio batteries); Current 270 A (LiFePO4 EVE Energy 3.2V 90Ah); Capacity 246 mAh (Uniden BP-38/BP-40 radio batteries); Capacity at high current 92950 mAh (LiFePO4 EVE Energy 3.2V 90Ah); Energy 288.02 Wh (LiFePO4 EVE Energy 3.2V 90Ah); Temperature rise 45 °C (LiFePO4 EVE Energy 3.2V 90Ah); Weight 2000 g (LiFePO4 EVE Energy 3.2V 90Ah); Price 80 $ (Uniden BP-38/BP-40 radio batteries).

LiFePO4 EVE Energy 3.2V 90Ah: The cells exceeded rated capacity, had low impedance, and performed well at up to 90 A; voltage sag was pronounced in the freezer.

Uniden BP-38/BP-40 radio batteries: Working batteries measured about 500 mAh instead of the rated 700; one of the 24 was defective.

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.