Hardware Adapters and Battery Pack Additional Standard Components: Adapters and Battery Pack 1 AC adapter Converts AC power to DC power. 2 Country-specific modem adapter (included by region as required) Adapts the modem cable to a non-RJ-11 telephone jack. 3 Japan-specific outlet adapter (Japan only) Connects the AC adapter to a 2-prong electrical outlet. 4 Battery pack Runs the notebook when the notebook is not connected to external power. Startup and Reference Guide—Part 2 2–17