Product description    model: N9-LUMENA/ size: 92x92x28mm/ weight: 220g/ lumen:100~1300/ LED color temp: coolwhite，warm white/ battery: LI-POLYMER 20000mAh/ running time: 12~160hrs/ charging: 8hrs/ input: DC5V2.1A ， DC9V1.7A/ output: DC5V2.1A