Studies have shown that continuously monitoring a buildingâs energy systems can lead to reductions of 10 to 15 percent in annual energy bills. For the typical 50,000-square-foot retail building, thatâs equal to about $8,000 in savings per year!
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.
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. 1  Plug the cable into the USB hub of your computer.  Then plug the other end into the port at the back of the Surge.