Delivered 1,412 Wh of its rated 1,600 Wh at 20 °C

88% usable capacity, and the fan is the loudest component we have measured this year.

Lead story · Portable Power · $1,499

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2 reports in Power & Comms
Date	Image	Headline	Category
2026-06-09		Delivered 1,412 Wh of its rated 1,600 Wh at 20 °C	Portable Power
2026-03-21		Median message delivery of 47 seconds under open sky	Field Comms

Manufacturers cite these in spec sheets. Which ones actually protect the buyer, and which ones are marketing.

UN 38.3
Lithium battery transport safety
Required for any battery you fly with. Non-compliant packs get seized at freight.
IEC 62133-2
Secondary lithium cell safety
The abuse test standard behind reputable pack claims. Look for the test house name, not just the number.
FCC Part 15 / CE RED
Radio equipment conformity
Legally required for any comms hardware sold in the US or EU. A missing cert usually signals a grey import.