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 The battery is one of the most critical components of any smartphone. Over time, it naturally degrades, affecting performance, charging speed, and overall usability. If you’ve noticed your Xiaomi, Redmi, or POCO device draining faster than usual, or if you simply want to monitor its condition, MIUI includes a hidden diagnostic menu that lets you check battery health, capacity, and charge cycles — all without installing third-party apps. In this detailed guide, we’ll explain why battery health matters, how to access MIUI’s hidden battery menu, how to interpret the data, and tips to prolong your Xiaomi battery life . Did you know? For a complete guide on this topic, check out the Xiaomi Learning Hub and explore related tips in the Battery & Power Topic Hub . 🔹 Why Checking Battery Health Matters Modern Xiaomi devices use lithium-ion batteries , which degrade gradually with use. Some key points to understand: Charge cycles matter: One full charge cycle equals a fu...

  🔋 Why Checking Battery Health Matters Your Xiaomi phone’s battery is its heartbeat — every function depends on it. Over time, lithium-ion batteries degrade as they complete charging cycles. Each full charge from 0% to 100% counts as one cycle , and after hundreds of cycles, capacity naturally declines. Monitoring your battery health and charge cycle count helps you decide whether it’s still efficient or due for replacement. Did you know? For a complete guide on this topic, check out the Xiaomi Learning Hub and explore related tips in the Battery & Power Topic Hub . 🔹 How to Access Xiaomi’s Hidden Battery Health Menu Most users don’t know that MIUI includes a hidden diagnostic screen that displays your battery’s real condition — no apps or root required. Follow these exact steps: Step 1: Open the Dialer Go to your Home screen › Phone app (the default dialer on MIUI). Step 2: Enter the Diagnostic Code Type the following code exactly as shown, then press th...

  Over time, Android and Xiaomi phones may start showing inaccurate battery percentages. You may notice your battery suddenly dropping from 40% to 10%, or the system may stay stuck at 100% even after usage. This is a software misreading issue , not a battery defect in most cases. Calibrating your battery helps your phone show the correct charge level and improves its overall performance. In this guide, we’ll walk you through everything about battery calibration , why it’s necessary, how to do it step-by-step, and tips to maintain battery health on Xiaomi, Redmi, and POCO devices. Did you know? For a complete guide on this topic, check out the Xiaomi Learning Hub and explore related tips in the Battery & Power Topic Hub . 🔹 What Is Battery Calibration? Battery calibration is the process of syncing your phone’s software with the actual physical battery capacity. Android devices use internal algorithms to estimate battery percentage. Over time, due to: Frequent fast ...

 Battery life is one of the most important aspects of a smartphone experience. Modern devices like Xiaomi, Redmi, and POCO phones use lithium-ion batteries , which degrade over time if not charged optimally. To address this, Xiaomi introduced Smart Charging in MIUI 12.5 , a feature designed to protect your battery and extend its lifespan while making charging convenient and efficient. In this guide, we’ll cover what Smart Charging is, how it works, how to enable it, and practical tips to get the most out of your Xiaomi battery. Did you know? For a complete guide on this topic, check out the Xiaomi Learning Hub and explore related tips in the Battery & Power Topic Hub . 🔹 What Is Xiaomi Smart Charging? Smart Charging is a software-driven battery management system that learns your charging habits and adjusts the charging process to reduce battery wear. Unlike standard charging that reaches 100% immediately, Smart Charging ensures that the battery stays at high charge ...