Comparison · Batteries

Uniden BP-38/BP-40 radio batteries or 1200mAh Li-40B/42B

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: 1200mAh Li-40B/42B (497 mAh vs. 246); Price: 1200mAh Li-40B/42B (2.82 $ vs. 80).

Model	Uniden BP-38/BP-40 radio batteries2018Read review →	1200mAh Li-40B/42B2015Read review →
Capacity, mAh	246	497
Price, $	80	2.82
Review conclusion	With reservations	With reservations

Only in one review: Voltage 4.8 V (Uniden BP-38/BP-40 radio batteries); Test current 0.5 A (Uniden BP-38/BP-40 radio batteries); Resistance 148 mΩ (Uniden BP-38/BP-40 radio batteries).

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

1200mAh Li-40B/42B: At a 500 mA discharge, the battery measured 497 mAh, about two-thirds of the original 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.