Power your Hoover Cordless products with the ONEPWR Battery System. From hard floor cleaners to vacuums, leaf blowers, hand vacuums and more, the ONEPWR Battery System has the right battery to power any cleaning job. The 8Ah battery is designed to have 4X longer runtime1 and more power for all of your heavy-duty cleaning tasks. With lithium-ion battery technology, you get long, lasting fade-free power and runtime to tackle any job, anywhere. 1When compared to ONEPWR 2Ah Battery 2With Fast 4Ah Charger at room temperature