How to Check Ioniq 5 Battery Health: A 2025 Step-by-Step Guide

The Ioniq 5, Hyundai’s electric flagship, delivers impressive range and performance—but maintaining optimal battery health ensures it stays reliable for years. Whether you’re a new EV owner or transitioning from combustion, understanding how to monitor your battery’s condition is essential. This guide covers the best tools, real-time diagnostics, and practical methods to assess your Ioniq 5’s battery health as of 2025.

Understand Battery Health Basics

Battery health refers to a battery’s ability to hold charge compared to when it was new. Over time, factors like charge cycles, temperature, and usage wear down capacity. Most EV batteries retain 80–90% capacity after 100,000 miles, but proactive checks help preserve performance. The Ioniq 5’s battery management system (BMS) tracks this closely, but knowing how to read those metrics empowers you to act early.

Key Indicators of Battery Degradation

Several signs suggest your battery is losing capacity:

• Reduced range on a single charge
• Longer charging times
• Sudden drops in range after recent use
• Warning lights on the dashboard (e.g., battery icon or temperature alerts)

While these are useful, relying on visible symptoms is not enough—direct battery diagnostics provide accurate data.

Step-by-Step: How to Check Ioniq 5 Battery Health

Method 1: Use the Official Hyundai Portal & App

Hyundai’s connected services offer real-time battery insights via the Ioniq 5’s mobile app or website. Log in with your Hyundai account and navigate to the ‘Battery Health’ section. Here, you’ll see:

• Current state of charge (SOC) percentage
• Estimated battery degradation percentage
• Charging cycle count
• Temperature trends
• Maintenance recommendations tailored to your usage patterns

This method is trusted, accurate, and updated in real time with firmware improvements from 2025.