So I've been recharging it outside in the cold, including days when the windchill factor was about minus 5, and it worked fine, illuminating a dim corner of my kitchen.

我在寒冷的室外测试这种灯，有几次室外的温度甚至达到了零下5度，但这种灯始终表现不俗，照亮了我厨房的一个角落。