The Stack Exchange network is made up of 181 Q&A communities, including Stack Overflow, the largest and most trusted online community for developers to learn, share their knowledge and develop their careers. Connect and share knowledge in one structured, easy-to-search location. If you're the owner of an older laptop, such as an HP Spectre XT TouchSmart, and you're in need of a replacement battery, you may be wondering if it's possible to use an external power source instead. Using AC power directly is certainly inconvenient when you need to move your laptop around, and you may have considered external power supplies or UPS systems as alternatives.
However, these are not ideal solutions either. Laptop batteries are connected to a charging circuit inside the machine, which is not accessible from the outside. Replacing the battery with an exact model can be difficult and risky, so it's best to consider this as a last resort. Most laptops will work without a battery as long as they are plugged into the power grid.
To check if your laptop is working without a battery, remove it and see if the laptop still functions with just the AC adapter. If you're looking for a replacement battery or adapter, eBay is a great place to start. Just make sure to pay close attention to the seller's reputation before making a purchase. If you're not sure about the status of your current battery, BatteryInfoView is a small utility that can display information contained in the chip included in all laptop batteries.
Laptop power problems can be tricky to diagnose, but with some research and careful consideration of your options, you can find a suitable solution. Replacement laptop batteries are available from various sources, but it's important to make sure that you're getting a quality product. If the adapter cable on your laptop is damaged, it's possible to cut off the damaged part and replace it with one that has the same internal and external dimensions.