Feature: 1. PERFECT REPLACEMENT: Replacement battery for 18V M18 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 cordless tools 2. FOR M18 XC CHARGERS: Replacement lithium ion battery is compatible with all M18 18V XC chargers, provide great convenience for your work 3. LED DISPLAY: Four LED indicators show remaining run time, reducing work downtime, and you can see how much fuel the battery has charged through the LED panel on the side 4. OEM COMPATIBLE AND RECHARGEABLE: Replacement rechargeable battery is available as original parts, OEM compatible, you can use with confidence 5. STRONG MATERIAL: Adopt excellent ABS and PC material, possess high strength and great elasticity, impact resistant and scratch resistant How to Use: Just replace the old battery after taking out the product. Specification: Item Type: 18V Replacement Battery Material: ABS, PC Battery Capacity: 3000mAh, 4000mAh, 5000mAh, 6000mAh Battery Type: Lithium ion battery Battery Model: 18650 Compatible with for M18 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 power tools Package List: 1 x 18V Replacement Battery 1 x User Manual Note: For the first use, it needs to be fully discharged and then fully charged.