Node II on a 50 Wh battery
Node II runs about 16.7 h at typical draw and 10 h at maximum draw on a 50 Wh battery.
Inputs
- product Node II
- battery 50 Wh
Workings
- At typical draw: 50 Wh ÷ 3 W = 16.7 h.
- At maximum draw: 50 Wh ÷ 5 W = 10.0 h.
Constants
- From Teradek product data, seen 2026-10-21: Node II typical power draw 3 W.
- From official page (https://teradek.com/products/node-2-modem), seen 2026-10-21: Node II maximum power draw 5 W.
Assumptions
- Runtime = battery watt-hours ÷ the product's stated draw: an estimate, not a measured runtime.
- Not included: the monitor, camera and accessories on the same battery, conversion losses, battery ageing and cold.