Technical Data: Voltage: 21.6 V, Capacity: 4000 mAh / 86.4 Wh, Type: 21700 x 6 / Li-Ion. The battery is compatible with the following models: Dyson V8, V8 Absolute, V8 Absolute Cord-Free, V8 Animal, V8 Animal Exclusive, V8 Fluffy, V8 series. Original designation of the Dyson device batteries. This battery replaces the following battery types: 215681, 215866-01/02, 215967-01/02, 967834-02, PM8-US-HFB1497A, PU2-JP-HFA4456A. Compatible with serial numbers starting with: VE6, VE8, RA6, RA8, B6V, RA9, VE7, ZH1, B9F, B2R, ZH2, C3F, G1K, C3G, G5W, YA4. Not compatible with serial numbers starting with: YH5, H5F, H5P. Depending on availability, the battery's charge status indicator is located either at the front or on the side of the battery. The high-quality tool battery for Dyson is from the premium series of the successful German brand PATONA. It has been designed to meet the needs of demanding customers. The PATONA Premium series is aimed at craftsmen, hobbyists, and anyone who relies on long battery life and reliability.