Upgrade Cordless Car Buffer Polisher with 21V 2×4000Mah Battery,6 in Brushless B

🚐🚐2PCS 4.0AH LARGE CAPACITY BATTERY-Our electric car polisher is equipped with two 21V 4000mAh high-capacity batteries, running twice as long as traditional 2.0Ah battery. 🚐🚐LIGHTWEIGHT AND CORDLESS DESIGN-Cordless electric polisher is more convenient than traditional polishing machine, eliminating the interference of dragging and rope.