If something changes in one part of the family, other. parts will need to adjust as well. In addition, the family is part of other systems in. the community, so changes in one family will create imbalance and lead to changes. in other systems that surround that family.
The Fitbit Surge comes equipped with a rechargeable battery made of lithium-polymer. It takes roughly about 1 â 2 hours to charge a Surge fully. Fitbit Surge has the longer battery life of 7 days per charge than other Fitbit products.
Compared to the $100 Fitbit Flex, the Charge has a taller and wider display, allowing it to show time and step count, and it has longer battery life of seven days on a charge. It also has automatic sleep tracking, so users don't have to tell the device when they're going to bed. Fitbit.