Infinuvo Battery for Hovo 650 and Haier Robotic Vacuum Infinuvo replacement battery for Hovo 600, Hovo 620 and Hovo 650. 14.4V, 2000mAH NiMH rechargeable battery. Replace old or weak battery to keep your vacuum at top performance. COMPATIBLE MODELS: TechComm B2005P, Q7000, B6009,Liectroux B3000,Robins Robot, Haier Robot, Haier XShuai Bagless Robotic Vacuum Cleaner Please check the illustrated photos.