Important Charging Notes - Flex FX0421 Operator's Manual

1. A substantial drop in operating time per
charge may mean that the battery pack is
nearing the end of its life and should be
replaced.
2. Remember to unplug the charger during
storage.
3. If battery does not charge properly:
a.Check for power at the outlet by plugging
another electrical device into the outlet.
b.Check to see if outlet is connected to a light
switch that turns power "off" when the lights
are turned off.
WARNING
product damage due to a short circuit, never
immerse your charger or battery pack in
fluid or allow a fluid to flow inside them.
Corrosive or conductive fluids, such as
seawater, certain industrial chemicals, and
bleach or bleach-containing products, etc. can
cause a short circuit.
HOW TO CHARGE THE BATTERY PACK
WARNING
wet or damp conditions. Water entering the
charger will increase the risk of electric shock.
NOTICE: Lithium-Ion battery packs are shipped
partially charged. Before using it the first time,
fully charge the battery pack.
a. Connect the charger to the power supply
(120V~, 60Hz). When connected to the power
supply, the green and red LED indicators on
the charger will flash once at the same time
and then go out, indicating that the charger
self-inspection is completed.
b. Align the raised ribs of the battery pack with
the slots in the charger and slide the battery
pack onto the charger
c. The charger will communicate with the battery
pack to evaluate the condition of the battery
pack.

IMPORTANT CHARGING NOTES

OPERATING INSTRUCTIONS
To reduce the risk of fire,
personal injury, and
(FIG. 2)
Do not use the charger
outdoors or expose it to
c.Check the battery pack terminals for dirt.
Clean with a cotton swab and alcohol, if
necessary.
d.If proper charging still does not occur, take
or send the tool, battery pack and charger to
your local FLEX Service Center. Please refer
to the Customer Service information on the
cover of this manual.
NOTE: Use of chargers or battery packs not
sold by FLEX will void the tool warranty.
WARNING
accessories not recommended for use with
this charger. Any such alteration or
modification is misuse and could result in a
hazardous condition leading to possibly serious
personal injury.
Fig. 2
-9-
Do not attempt to modify
the charger or create