Model Compatibility: Designed for HP BI03XL / ON03 series laptops.Voltage: 7.7V for efficient power management.Capacity: 2 cells with a total of 4400mAh for extended battery life.High Quality: Manufactured to meet or exceed OEM specifications.Durability: Long-lasting performance for uninterrupted use.Perfect Fit: Ensures a secure and reliable connection with your HP laptop.Easy Installation: Simple to replace and compatible with multiple HP models.Safety Standards: This certification ensures the battery meets India's safety and quality regulations.Reliable Power: A BIS approved battery provides dependable power for your HP Envy laptop.Certification : BIS Approved