LI-ION BATTERY FOR HD1A/7.2V/10.8Wh

Use external power (AC power adapter/charger) to power the HD1A directly from a AC power source, or charge the battery pack. Both can be accomplished simultaneously. Typical battery charging time is approximately 2 hours. Operates between 100VAC -240VAC.

AC Power: Using the AC power adapter has the following advantages:

• Saves internal battery power for portable operation later.
• Charges internal battery pack.
• Allows extended operation.