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.
Fitbit battery life by tracker. The Charge and Surge have a battery life of up to 7 days, says Fitbit, so you can track an entire week with just one charge. The Fitbit Charge HR â slimmer than the Surge but with some of its heavier battery-eating features â has a battery life if up to 5 days.