The VivoBook Battery B31N1842 is a high-quality lithium-ion replacement battery designed specifically for compatible VivoBook laptops. With a capacity range of 3550 – 3653 mAh and 42 Wh of energy, it ensures long-lasting performance and reliability. It provides a voltage of 11.52 V and consists of 3 internal cells to deliver a stable and consistent power source. Its black design integrates seamlessly as an internal replacement component, ensuring your device regains its original battery life and usage longevity. This battery is compatible with various VivoBook series, including models such as the VivoBook 15 K531, S531, and the X513 series. Ideal for users needing to restore their laptop’s efficiency. Battery: - Battery Technology: Zinc-Carbon (Zn-C) - Battery voltage: 11.52 - Number of battery cells: 3 Features: - Brand compatibility: ASUS - Compatibility: Asus X513IA , Asus VivoBook 15 X515EP , Asus VivoBook 15 M513UA , Asus VivoBook 15 X513EA , Asus VivoBook 15 X513EP , Asus VivoBook 15 X513EQ , Asus VivoBook S15 S531FL , Asus X513IA , Asus VivoBook S15 S531FA , Asus VivoBook 15 S513EA - Type: Battery Packaging data: - Quantity per pack: 1 Vendor information: - Brand Name: Asus - Warranty: 3 - Product.Details.Specifications.Level1: Server, Computer & Printer Parts - Product.Details.Specifications.Level2: Notebooks & Spare Parts - Product.Details.Specifications.Level3: Batteries