---
title: "Man-portable detector battery life in sub-zero conditions — Anti-Violence"
url: "https://anti-violence.xluxury.site/man-portable-detector-battery-life-in-sub-zero-conditions/"
date: 2026-09-23
---

# Man-portable detector battery life in sub-zero conditions

Our handheld detectors lose roughly a third of their runtime once the temperature drops below zero. The electronics are fine; the packs are the problem.

What are people doing for a full night shift? Insulated pouches, rotating spares, or a belt pack with a chemical warmer?