Battery for Milwaukee 18Wh Ni-Mh 12V 1500mAh Red, 18Wh Ni-Mh 12V 1500mAh Red, 0398-1, 0399-1, 0400-1, 0400-6, 0401-1, 0401-4, 0401-6, Cordless Tool Batteries & Chargers