The document provides specifications for a lithium-ion battery and door that can be used to power the Symbol MC70 and MC75 rugged digital assistants. The battery has a capacity of 3600 mAh and voltage of 3.7 volts. It is smaller than the OEM 1.5x battery but provides longer run time. The door has an IP54 seal and improved latches. Each battery is guaranteed to be free of defects and maintain 80% capacity for 12 months.