For Battery: About US: We focus on designing and manufacturing varieties of Power Tool batteries with high quality and competitive price.We will do our best to serve you! Specifications: 1. Model NO .: For M18 2. Type: New replacement battery 3. Condition: brand new 4.Battery Composition: Lithium-Ion (Li-Ion) 5. Capacity: 8.0Ah / 6.0Ah 6. Voltage: 18 volts 7. Color: Black + Red 8. Quantity: 2/4pcs of batteries 9. Certification: CE; UL; FCC; RoHS; IEC; ISO9001/9002 10. Guarantee: 10 year guarantee 60 days refund 11. Feature: With LED Indictor Light Spare part numbers: For Milwaukee 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828, 48-11-1840, 48-11-1841, 48-11-1850, 48-11-1852, 48-59-181, 48-59-1850 For Milwaukee For M18 LITHIUM 6.0 extended capacity battery 48-11-1840.