Kobalt 40V锂Ǧ»Å­Æ›¿Æ¢Ç”Μæ± 3.0-6.0Ah 928028436055

[ Upgraded Battery for 4X Longer Runtime ]: Type: Lithium-ion| Voltage: 40V| Capacity: 4000mAh| Watt: 160Wh (Offers 4X More Power than the Original...