TechFitbit Charge 2 – 2021 Review & Buying GuideSally ChenJanuary 26, 2021January 27, 2021 by Sally ChenJanuary 26, 2021January 27, 20210 The Fitbit Charge 2 has a claimed power consumption of around 3 hours, but at least it has 3,000mAh in its battery. With that much...