# Prism Flex Mk II Encoder on a 150 Wh battery

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

**Prism Flex Mk II Encoder runs about 7.5 h at typical draw and 4.2 h at maximum draw on a 150 Wh battery.**

## Inputs

- product Prism Flex Mk II Encoder
- battery 150 Wh

## Workings

- At typical draw: 150 Wh ÷ 20 W = 7.5 h.
- At maximum draw: 150 Wh ÷ 36 W = 4.2 h.

## Constants

- From official page (https://teradek.com/products/prism-flex-mk-ii-encoder), seen 2026-10-21: Prism Flex Mk II Encoder typical power draw 20 W; Prism Flex Mk II Encoder maximum power draw 36 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.prism-flex-mk-ii-encoder/power.md](https://specs-dev.teradek.com/products/prod.prism-flex-mk-ii-encoder/power.md).

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