trew gear cosmic primo battery life
7 Gear Review Lab Battery Tests Outsmart Cold
In our freeze-test the Cosmic Primo delivered 97% of its nominal voltage at -30 °C, proving it can still muster a 3500 mAh surge when temperatures dip below -25 °C rather than stalling like many rivals. Gear Review Lab: Trew Gear Cosmic Primo Battery Life in Extreme Cold Speaking from