In a word YES, $99 will tell you if your on the right track for battery and power savings or BLOTED, It helped me find some code that was leaving allot of wasted juice. (BLE)
It’s also a cheep way to get 9 0r 10 channels for logic analyzing as a bonus so to speak.
None of the power stuff of Seeed studios is to be trusted as FACT so VERIFY, VERIFY, and RE-Verify when they update board files & spec’s . IMO YMMV
HTH
GL 
PJ
I use this Battery calc to START
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