2x Masione 14.4v 3000mAh Replacement Battery for DEWALT DC DW Series Compatible With DC9091 DE9038 DE9091 DE9092 DE9094 DE9502 DW9091 DW9094 Brand New | NI-MH | 14.4 Volts | 3000 mAh | Black Batteries are made with the highest quality materials 100% Compatible with DeWalt DC9091 Integrated microchip prevents overcharging & lengthens battery life 30 Days Money Back and 1 Year Warranty