Model Number: S-18V 1830 Brand Name: Heter Key Specifications/Special Features: 1. We are ISO, military and vessel certificated company2. We offer a series of Lithium batteries for power tools3. OEM services Chemical system:Lithium-ion battery Nominal voltage: 18V Nominal capacity: 3Ah Assembly: 5S2P Cells of assembly: 18650-3.6V-1500mAh BMS: Inside integrated Charge voltage: 21V Fast charge current: 3A Maximum discharge current: 45A Peak current: 150A Resistance: <120mΩ Case: Makita, Hitachi, Dewalt, Bosch and Milwaukee Cases Battery pack size: 114.8*75.6*66.8mm Battery pack weight: 0.56Kg Application: Power Tools OEM: Welcome