Powerextra 2 Packs Milwaukee 12V 2000mAh Ni-CD Replacement Power Tool Battery for 48-11-0140 48-11-0141 48-11-0200 48-11-0251 100% Compatible with original manufacturer equipments and chargers The 2000mAh Ni-CD battery keeps your equipments running at peak performance Batteries are made with the highest quality materials Integrated microchip prevents overcharging & lengthens battery life Safeguard features against incorrect voltage, short circuit, internal overheating