Titan BRAND NEW 2500AH Replacement Battery for Porter Cable 14.4v 14.4 Volt 8723 2 YEAR WARRANTY Titan Brand Replacement battery for Porter Cable Fits: 879, 9876, 9878, 9877, 9878CS. Replaces: 8723 2 Year Warranty 100% compatible 14V**2400MAH**Ni-CD