BeeCharge batteries are perfect replacement batteries made from high grade cells and highest quality parts. Features - voltage - 11.1 Volts, capacity - 4400 mAh, color - Black, Type- Li-on Battery. Each battery passes strict quality control procedures including filtration and safety testing of voltage, capacity and battery core (body). Each battery also passes necessary authentication certifications like CE, ROHS etc. Before leaving the factory, so you can be rest assured for its quality, durability and performance.