Changes
The fitlet2 model can work at a wide DC input voltage range of 9V-20V.
<br>This range can also be extended to 9V-36V if the model is configured with the P36 option.
=== What is the fitlet2's RTC backup battery Accuracy and lifetime?==
* RTC accuracy – less than 1 sec per day
* A lifetime of the RTC battery backup is 5 years, depend on the use case of the customer.
==Software==
