The Type B Replacement Battery for Dyson DC34, DC35, DC43H, DC44, DC45 is a high-quality lithium-ion battery designed specifically for select Dyson vacuum cleaners. Operating at 22.2V, this replacement battery is engineered to meet or exceed the original manufacturer's specifications, providing reliable power for sustained vacuum performance. This product ensures you can continue to maintain the cleanliness of your home or office effectively, with a battery made to fit the precise requirements of your vacuum model.