---
title: "UPS ESR Battery Measurements | Workbench Wednesdays #32:"
description: "As batteries age, their ESR goes up. Eventually, they will no longer be serviceable. A battery measurement tool like the Hioki BT3554 lets field service technicians monitor the…"
canonical: "https://www.baldengineer.com/ups-esr-battery-measurements-workbench-wednesdays-32.html"
author: "James Lewis"
date: "2020-12-15T22:57:00Z"
lastmod: "2022-04-01T22:02:27Z"
categories: ["blog","element14","workbench-wednesdays","videos"]
tags: ["battery","esr"]
---

# UPS ESR Battery Measurements | Workbench Wednesdays #32:


As batteries age, their ESR goes up. Eventually, they will no longer be serviceable. A battery measurement tool like the Hioki BT3554 lets field service technicians monitor the help of batteries over time. In this video, see how it can be used to measure a live UPS battery.

This episode was sponsored by Hioki.