How Long to Charge a New HP Laptop Battery for Optimal Performance If you’ve just bought a new HP Laptop Battery Charger , one of the first things you’ll need to do is charge the battery properly. But how long should you charge a new HP laptop battery to ensure maximum lifespan and performance? In this guide, we’ll explain the best charging practices, debunk common myths, and provide tips to keep your HP laptop battery healthy for years. Why Proper Initial Charging Matters for a New HP Laptop When you get a new HP laptop, the battery may not be at full capacity right out of the box. Most manufacturers ship laptops with a partial charge (around 40-60%) to preserve battery health during storage. Charging it correctly the first time helps calibrate the battery and ensures long-term efficiency. How Long Should You Charge a New HP Laptop Battery? For most modern HP laptops with lithium-ion (Li-ion) batteries, you should: Plug in the charger as soon as you unbox the laptop. Charge it to 100%...