11
OPERATING INSTRUCTIONS
1. How to Charge
the Battery Pack
NOTICE:
This lithium-ion
battery pack is shipped
partially charged. Before
using it the first time, fully
charge the battery pack.
A fully discharged battery
pack model K20-LB40A will
charge in about 45 minutes
and model K20-LB20A will
charge in about 35 minutes
in a surrounding temperature
between 32°F (0°C) and
104°F (40°C).
a. Always charge the
battery pack with the
correct charger.
b. Connect the charger to a power supply.
c. Attach the battery pack to the charger by aligning the raised ribs
of the battery pack with the slot in the charger. Slide the battery
pack onto the charger (Fig. 1).
1