How Many Hours to Charge HP Laptop Battery First Time? – A Complete Guide When you buy a new HP Laptop Battery Charger, one of the most common questions is: "How long should I charge the battery for the first time?" Properly charging your laptop battery the first time can help extend its lifespan and ensure optimal performance. In this article, we’ll discuss: The correct way to charge your HP laptop battery for the first time Common myths about laptop battery charging Tips to maintain battery health Frequently asked questions Let’s get started! How Long Should You Charge Your HP Laptop Battery for the First Time? Many people believe that a new laptop battery needs 24 hours of charging before first use. However, this is an outdated practice from older battery technologies. For modern HP laptops with lithium-ion (Li-ion) batteries: Charge the battery fully (100%) before first use. There’s no need to overcharge it—once it reaches 100%, you can unplug it. Most HP laptops take 2 t...