Never rely on just the laptop model name. You must match the specific battery part number. Caring for your battery in Windows - Microsoft Support
: Open Command Prompt as administrator and type powercfg /batteryreport . buy laptop battery
: Compare this to the "Design Capacity." If the full charge capacity is below 70% , it is generally time to replace it. Never rely on just the laptop model name
: If your laptop’s casing or trackpad is bulging, the battery is likely swelling—this is a fire hazard and requires immediate replacement. 2. Identifying the Correct Battery : Compare this to the "Design Capacity
A proper report for buying a laptop battery covers everything from diagnosing whether you actually need a new one to ensuring the replacement you buy is safe and compatible. 1. Pre-Purchase Diagnostics
Before buying, confirm your battery’s actual health. Windows has a built-in tool that provides a detailed history and capacity report.