Xiaomi color Rainbow 5 battery and Nanfu battery which is good, Xiaomi color Rainbow 5 battery and Nanfu battery comparison?

Nanfu's is better.

First of all, the millet brand does not produce batteries, most of the millet brand products are processed by other factories, but they are just hanging the millet brand, and Nanfu is specialized in batteries, so Nanfu is better than millet in terms of professionalism