# CTRL.3 on a 50 Wh battery

Data version 6d29e2f86993, built 2026-10-26; facts on this page checked 2026-10-21.

**CTRL.3 runs about 33.3 h at typical draw and 16.7 h at maximum draw on a 50 Wh battery.**

## Inputs

- product CTRL.3
- battery 50 Wh

## Workings

- At typical draw: 50 Wh ÷ 1.5 W = 33.3 h.
- At maximum draw: 50 Wh ÷ 3 W = 16.7 h.

## Constants

- From Teradek product data, seen 2026-10-21: CTRL.3 typical power draw 1.5 W; CTRL.3 maximum power draw 3 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.

Power: [/products/prod.ctrl-3-three-axis-wireless-lens-controller/power.md](https://specs-dev.teradek.com/products/prod.ctrl-3-three-axis-wireless-lens-controller/power.md).

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