WATSON AA-C4H User manual

Owner's
Manual
4-Hour
Rapid Charger
for AA/AAA NiMH & NiCd
Rechargeable Batteries

Thank you for
purchasing the
Watson 4-Hour
Rapid Battery
Charger.
Be sure to read this
manual and note
the precautions
before using this
product.
>

CHARGER FEATURES:
Multiple Charging Circuits
Allows you to charge two or four
AA/AAA NiMH or NiCd batteries.
Automatic Charge Current Selection
Automatically selects the best
chargingcurrentforeachbatterysize.
Automatic Shutoff
A special circuit senses when
the batteries are fully charged
and shuts off to prevent
overcharging.
Reverse Polarity Protection
Protects your batteries and
charger against incorrectly
installed batteries.
4 | Charger Features

Short-Circuiting Protection
Protects the charger and
batteries from short circuits.
Overcurrent Protection
Protects the charger from
defective or shorted batteries.
Simultaneous Charging
Patented technology charges
AA and AAA batteries
simultaneously.
Charger Features | 5

IMPORTANT SAFETY
INSTRUCTIONS:
Charge only NiMH or NiCd batteries with this
charger. Other types of batteries can burst,
causing personal injury and damage.
Unplug the charger from the AC outlet before
attempting maintenance or cleaning.
Do not use any attachment not recommended
or sold by Watson, as this could result in the
risk of fire, electric shock, or injury.
Do not use an extension cord. Its use could
result in fire or electric shock.
Do not operate the charger if it has received a
sharp blow or has been dropped or damaged
in any way. Take it to a qualified service
technician for repair.
Never use the charger as a DC power source
for any electrical equipment.
6 | Safety Instructions

This symbol is intended to alert you
to the presence of uninsulated and
dangerous voltage inside the product
housing which could be of sufficient
power to deliver an electric shock. Do
not open the product housing.
Thissymbolisintendedto informyou that
important operating and maintenance
instructions are included in the literature
that accompanies this product.
Safety Instructions | 7
WARNING: To reduce the risk of fire
or shock hazard, do not expose this
product to rain or moisture.
DO NOT REMOVE COVER OR BACK. NO USER-
SERVICEABLE PARTS INSIDE. HAVE PRODUCT
SERVICED BY QUALIFIED PERSONNEL ONLY TO
REDUCE THE RISK OF ELECTRIC SHOCK.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN

8 | Charger Operation
CHARGING OPERATION:
Insert 2 or 4 AA or AAA NiMH or NiCd batteries
into the battery chambers. Make sure they are
oriented according to the polarity symbols
(+ or -) that are marked inside each chamber.
Pull out the flat AC plug 90 degrees, and plug it
into a standard AC outlet.
The charging indicator lights will flash when the
charger is first plugged in, then glow steady red
while charging.
NOTE: If two level indicators are flashing, it's
an indication that at least one of the batteries
needs to be replaced.
When the batteries are fully charged, the lights
will glow steady green.
NOTE: It's normal for the batteries to become
warm while charging.
When you are finished charging the batteries,
remove the flat AC plug from the AC outlet.
1
2
4
3
5

Specifications | 9
WARNING: To prevent damage to the charger as
well as the risk of electrical shock, always unplug
the charger from the AC outlet before handling
the batteries.
Specifications are typical; individual units may
vary. Specifications are subject to change and
improvement without notice.
Charge batteries in temperatures between 32°F
and 113°F (0°C-45°C). Cold batteries cannot
charge fully. If they are too warm, the batteries
can lose their capacity to recharge.
Power
adapter
Input: 100 to 240 V AC,
50/60 Hz; 10 W
Automatic
shutoff
Negative delta V and
zero slope detection
Dimensions 4.3 ¬2.7 ¬1.3 in.
(10.9 ¬6.9 ¬3.3 cm)
Weight 2.8 oz. (79.4 g)
SPECIFICATIONS:

*Actual charging times may vary depending on
the cell's discharge level, capacity, and condition.
Longer charging times may occur when the
charger is used in temperatures above 95°F (35°C).
Type Capacity Charging Time
2 pcs. 4 pcs.
AA
1800 mAh 1 hr., 50 min. 3 hr., 40 min.
2300 mAh 2 hr., 20 min. 4 hr., 40 min.
AAA 1000 mAh 1 hr., 40 min. 3 hr., 20 min.
CHARGING TIME:
(approximate*)
10 | Charging Time