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.
Battery Life. Fitbit says the Charge HR will last about 5 days on a charge. That's about half the time of the Charge, but that endurance is reasonable considering the HR is constantly monitoring your heart rate.