Rechargeable Replacement Battery for HC01 Cordless Vacuum Cleaner. 1 Lithium Ion batteries required. Recommended Uses For Product. 8.74 x 3.86 x 2.44 inches. Perfect Compatibility: This replacement battery is specifically designed to fit the VENHIDELY BRUSHLESS MOTOR VACUUM CLEANER HC01 model only, ensuring an exact fit and optimal performance. Reliable and Safe: Built with premium Grade A battery cells, it delivers fast charging and efficient power use. The integrated circuit protection system guards against overcharging, overheating, and short-circuiting, offering long-term safety and stability. Quick and Easy Installation: No need for tools or technical skills. Simply remove the old battery and slide in the new one in seconds-it’s that simple. You get professional-grade performance at an affordable price. Should you have any questions or concerns, feel free to reach out to us through Amazon. We’re always here to assist you. Replacement Rechargeable Battery Compatible with Brushless Motor, Designed for HC01 Cordless Vacuum Cleaner. We’re committed to offering great deals on quality products you can trust. From home décor and garden essentials to tools, hardware, and pet accessories, there’s something for everyone at prices you’ll love. We do everything we can to ensure every customer is fully satisfied. If something is not right, send us a message and we will take care of it quickly.