Battery for Dyson V10 SV27 vacuum cleaners ONLY SUITABLE FOR THE LATEST V10 SV27 MODELS. NOT SUITABLE FOR EARLIER V10 SV12 MODELS. Replacement of batteries in your cordless vacuum cleaner is probably the most common replacement part you will ever need in a rechargeable product. So it is important to buy your battery from a trusted supplier committed to delivering only the highest grade battery cells. Don't compromise on quality. Choose the Hygiea brand Dyson batteries for the best grade Lithium battery cells. We source our batteries from the best manufacturer of Lithium products in the world. So you can be confident that you are getting a product that will perform and last as promised. Our products are tested to Australian electrical safety standards and are UL Certified and IEC certified. You can be confident the batteries are of the highest cell quality and show true mAh Specifications Voltage: 25.2V Watt-Hours: 63Wh Milliamp Hours: 2500 mAh Type: Lithium-ion IEC Certificate Number: IEC62133 UL Certificate Number: DK-97168-UL Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia