Powerextra Milwaukee Brand New 2.4v 2000mAh NiCd Backup Battery for 48-11-0100 6550-20 100% Brand New High Quality Rechargeable replacement Battery Integrated microchip prevents overcharging & lengthens battery life We focus on providing quality power products and excellent customer service The package includes one battery Ships in 1-2 business days. Ships from CA, United States.