Battery Support-Maintenance & Replacement

Where is the serial number on Lenovo laptop？ How to find it?

In daily use of Lenovo laptops, many users may encounter situations where they need to provide the serial number (S/N), for example: Applying for after-sales warranty or repair service Checking the warranty period and product information with serial number Downloading the correct drivers or firmware for your Lenovo laptop model So, where...

How to reset laptop battery？

Can a Laptop Battery Be Restored? The most obvious solution to battery issues is to buy a new laptop battery. However, in some cases, you can try a battery reset (also known as battery calibration or battery restoration). This process helps the system recognize the battery’s actual state more accurately. Keep in mind that a reset is only a softw...

How to Deal with a Swollen Li-Polymer Battery

When using smartphones, tablets, laptops, or drones, you may encounter a swollen battery: the battery casing expands, sometimes causing the device’s back cover to bulge or preventing it from closing properly. This issue is common in Li-Polymer (Lithium-Polymer) batteries and is a serious safety concern. In this article, we will explain the main ...

How to Know When It’s Time to Replace Your Laptop Battery

As your laptop ages, its battery naturally wears out. How can you determine the actual lifespan of your laptop battery? It’s important to recognize the warning signs of battery problems, know how to perform a health check, and understand when it’s time to replace the battery. This will help you make timely decisions when needed. Common Signs of ...

iPhone 17 vs. Battery Replacement: Which Is the Smarter Choice?

The iPhone 17 has finally arrived, and once again, Apple is promising groundbreaking design and technology upgrades. But here’s the real question: should you upgrade right away, or can your current iPhone still serve you well for a few more years? Buying a brand-new iPhone is expensive. If your current device still runs smoothly but the battery ...

Is Replacing a Laptop Battery Risky?

Why Do People Worry About Battery Replacement? After two to three years of use, many laptop users notice that battery life drops significantly. Some may experience issues such as failure to charge, sudden shutdowns, or even swollen batteries. At this point, replacing the battery often becomes the only solution. However, many users ask: Is repl...

The Best iPhone XS Battery Replacement Solution

Due to the high price of Apple’s original batteries, many iPhone users are looking for alternative battery replacement options. When it comes to iPhone XS battery replacement, you may often hear the term “cell replacement”.If you have already started to wonder what battery replacement is, then it is very necessary for you to read this article! 1...

How to Use an AED: A Complete User Manual

1. Introduction An AED (Automated External Defibrillator) is a portable emergency device designed to save the lives of patients experiencing sudden cardiac arrest. It can automatically detect heart rhythms and deliver an electric shock if necessary to restore normal heart function. Anyone can use an AED without professional medical training. 2....

How to Safely Reset My Laptop Battery

How to Reset My Laptop Battery? As your laptop ages, you may notice that its battery performance gradually declines. Common issues include inaccurate battery readings, faster power drain after a full charge, or sudden shutdowns, even when the system shows remaining battery life. Before rushing to replace your battery, consider a useful method yo...

iPhone 11–15 Battery Replacement: Original Flex or High-Capacity Cell?

If you’re planning to replace your iPhone battery, don’t rush—take a moment to read this article first. In most smart devices, the battery consists of two key components: the battery cell and the battery flex cable, each with its own role. The cell stores the power, while the flex cable handles the following functions: Charging Protection: The f...

How to Fix a MacBook That Will Not Turn On？

If your desktop Mac or MacBook won’t turn on, or might not start up past the Apple logo, don’t worry. While it can be frustrating, it’s usually fixable. Where is the power button on a MacBook? Before getting started, make sure you know how to turn on your Mac. Newer MacBook models don’t have a physical power button. Instead, look for an unmark...

How can you tell Bose mini speakers apart?

Bose has consistently garnered attention in the Bluetooth speaker market, particularly with its SoundLink Mini series, which has won widespread popularity with its compact size and exceptional sound quality. As its product line continues to expand, many users often wonder, "Which Bose mini speaker am I buying? How do I tell them apart?" Today, w...