4-Pack Replacement Lithium Ion Batteries 18V / 20V 8000mAh (8.0Ah) Overview Replace drained tool batteries with this set of four high capacity lithium ion packs. Each battery supplies 18V or 20V and 8000mAh (8.0Ah) capacity to extend run time and reduce interruptions on job sites and home projects. Key benefits Long runtime: 8000mAh capacity delivers extended operating time so tools run longer between charges, saving time and increasing productivity. Consistent performance: Lithium ion chemistry with no memory effect. Charge and discharge as needed without loss of usable capacity. Broad compatibility: Designed to work with many common 18V or 20V tool battery packs. See compatible models below. Built for practical use: Four batteries in one package keeps spare power on hand for continuous work shifts or multi-tool setups. Features Chemistry: Lithium ion for stable energy density and reliable voltage output. Voltage: 18V or 20V nominal, suitable for compatible cordless tools and chargers. Capacity: 8000mAh (8.0Ah) per pack for extended run time. Protection features: Built-in protective circuitry helps guard against incorrect voltage, overload, short circuit, and internal overheating. Package contents: 4 x 8000mAh replacement batteries. Compatibility: Compatible with Dewalt batteries 18V or 20V DCB180 DCB181 DCB-182 DCB201 DCB201-2 DCB200 DCB200-2 DCB204-2 DCB-205-2. Use scenarios Construction and remodeling: Keep multiple cordless drills, impact drivers, and saws powered throughout the workday without waiting for charges. Home renovation and woodworking: Maintain steady performance for sanding, cutting, and fastening tasks on longer projects. Outdoor maintenance and landscaping: Power cordless hedge trimmers, leaf blowers, and other yard tools during extended sessions away from fixed charging stations. Additional information No memory effect. Recharge as needed. Minor variations in color or dimensions may occur due to lighting and manual measurement. Customer support is available for product issues through the seller. This 4-pack offers a straightforward way to increase available runtime for compatible 18V and 20V cordless tools while minimizing downtime.