This lot includes 20 genuine HP Stream Pro batteries, each with a capacity of 4868 mAh and a voltage of 7.6 V. These Li-Ion batteries are compatible with HP Stream 11 Pro G4 EE and G5 EE models, as well as other compatible products in the Stream product line. The batteries are black in color and have 2 battery cells. This is a great opportunity to get high-quality batteries for your HP laptop at a discounted price.