PPRuNe Forums - View Single Post - Power banks: (W vs Wh) VS Security droids

21st November 2025 | 23:34

#2 (permalink)

Abrahn

Joined: Jun 2022

Posts: 154

Likes: 198

From: England

IATA rule is 100Wh.

Your 20,000mAh battery is at 3.7v, i.e. 74Wh

200W is specifying something completely different, probably that it has two ports that can negotiate 5A at 20v each with suitable hosts.

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