Ever had your radio die right in the middle of a pileup?

Yeah… it’s probably not your battery.

It’s your math.

In this episode of Brew & Activate, we break down battery math in a way that actually matters in the field—no fluff, no overcomplicated engineering talk… just real-world understanding you can use on your next activation.

We cover:

⚡ The difference between Amp Hours (Ah) and Watt Hours (Wh)

⚡ Why your battery NEVER lasts as long as you think

⚡ How modes like SSB vs FT8 completely change runtime

⚡ Voltage sag (and why your radio shuts off early)

⚡ Cold weather performance (this one gets people every time)

⚡ The simple formula to actually plan your activation time

👉 Plus: I built a simple battery calculator you can use on your phone in t ...