4-Hour
4 Port USB Charger
Rapid Charger
and Portable Power Pack
for AA/AAA Ni-MH & Ni-Cd
for AA/AAA Ni-MH
Rechargeable Batteries
Rechargeable Batteries
Owner's
Owner's
Manual
Manual
Please read
Please read
before using
before using
this equipment.
this equipment.
Thank you for
purchasing the
Watson 4 Port
AA/AAA
USB Charger &
Portable Power Pack.
Browse through
this manual for
information and
useful tips on how
to use your new
equipment.
>
THE WATSON AA-U4CB
CHARGER FEATURES
INCLUDE:
1. Fast charging using USB
connection - Charge two or four
AA/AAA size Ni-MH batteries at a
time.
2. Charges your USB devices - using
four Ni-MH Alkaline batteries.
3. Reverse Polarity Protection -
.
0
4 | Charger Features
Protect your batteries and the
charger against incorrectly
installed batteries.
4. Multiple charging circuits - Allows
you to charge two or four AA/
AAA size nickel-metal hydride
batteries.
5. LED indicators - shows charging
7
and output status.
6. Many compatible devices -
Charges most smart phones,
gaming devices, MP3 players,
digital cameras, and e-readers.
You can charge up to 4 AA/AAA Ni-MH batteries fully. Multiple-
battery design accommodates both AA and AAA Ni-MH batteries.
This is an economical power solution for high-tech battery-
Batteries can be charged at least 1000 times and provide high
operated devices.
performance for high-drain devices.
Charger Features | 5
CHARGER OPERATION:
DANGER: To reduce the risk of fire or electric shock, carefully
follow these instructions. This manual contains important safety
and operating instructions for your charger.
Charging Your Batteries
1
Insert two or four AA or AAA batteries
into the battery chambers as indicated
by the polarity symbols (+ and -) marked
inside each chamber.
2
Close the battery compartment door.
3
Plug the mini-USB end of the included
cable into the device's Charge port. Plug
the USB end into a power source (such
as your computer's USB port).
4
Move the mode slider to the left to
begin charging.
5
The indicator light will turn red when the
batteries are charging.
6
The indicator light will turn green when
the charge is complete.
Note: Flip down the integrated AAA chamber
adapter to support AAA batteries.
6 | Charger Operation
Charger Output
1
Insert four AA or AAA batteries into the
battery chambers using the polarity
indicated within.
2
Close the battery compartment door.
3
Plug the USB end of the included cable
into the charger's Output port.
4
Plug the other end into the device you
would like to charge.
5
Move the mode slider to the right
to begin outputting power from the
charger.
6
The USB port will shine blue to indicate
the device is outputting power.
Note: Charging USB devices only works with
four AA or AAA batteries.
Note: Disposable batteries can be used for
charger output function. However, do not
attempt to charge disposable batteries.
Charger Operation | 7
CHARGING TIME*: (approximate)
Type
Ni-MH
AAA
AA
*Time based on a USB 1A adapter
*Actual charging time may vary depending on the battery's
discharge level, capacity, and condition. Longer charging time
may occur when the charger is used in temperatures above
35°C (95°F).
8 | Charging Time
Capacity
2-4 Cells
850 mA 1.9 hours
1000 mA 2.2 hours
1800 mA 4.3 hours
2000 mA 5.5 hours
2300 mA 6 hours
Mini-USB port (input)
Charging Indicator light
Battery
compartment
door
Mode slider
USB port (output)
and indicator light
Integrated AAA
chamber adapter
Battery
chamber
Charging Time | 9
SPECIFICATIONS:
Input DC 5V/1A via Micro USB port
USB output 5V/1A
Charging 500 mA
current
Dimensions 4" x 2.7" x 0.9"
(10.2 x 7 x 2.3 cm)
Cable length 23.6" (60 cm)
Weight 7.2 oz. (204 g)
Specifications are typical; individual units may vary.
Specifications are subject to change and improvement
without notice. The actual product may vary from the
product pictured in this manual.
10 | Charger Specifications
GENERAL
CHARGING HINTS:
It is normal for the batteries to
become warm while charging.
Charge batteries in temperatures
between 32°F and 113°F (0°C and
45°C). Cold batteries cannot charge
fully. If they are too warm, the
batteries can lose their capacity
to recharge.
Do not charge batteries other than
those listed in this manual, and do
not use procedures other than those
described in this manual.
Safety Instructions | 11
IMPORTANT SAFETY
INSTRUCTIONS:
Before using the charger, read all instructions and
advisories about the charger, the batteries to be charged,
and the products that use the batteries.
WARNING! TO REDUCE
THE RISK OF INJURY:
Charge only Ni-MH 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 disassemble the charger. Take
it to a qualified service technician when
service or repair is required. Improper
assembly may result in the risk of electric
shock or fire.
Do not use any attachment not
recommended or sold by Watson, as this
could result in the risk of fire, electric
shock, or injury.
12 | Safety Instructions
CAUTION! TO REDUCE
THE RISK OF DAMAGE:
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.
Do not expose the charger to rain
or excessive moisture.
Never use the charger as a DC power
source for any electrical equipment.
Warning: To prevent damage to your
charger as well as the risk of electrical
shock, always unplug the charger from
the AC outlet before handling
the batteries.
Safety Instructions | 13
WARNING: To reduce the risk of fire
or shock hazard, do not expose this
product to rain or moisture.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
DO NOT REMOVE COVER OR BACK. NO USERSERVICEABLE PARTS INSIDE. HAVE PRODUCT
SERVICED BY QUALIFIED PERSONNEL ONLY TO
REDUCE THE RISK OF ELECTRIC SHOCK.
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.
This symbol is intended to inform
you that important operating
and maintenance instructions
are included in the literature that
accompanies this product.
14 | Safety Instructions
ONE-YEAR LIMITED WARRANTY
This Watson product is warranted to the original purchaser to be
free from defects in materials and workmanship under normal
consumer use for a period of one (1) year from the original
purchase date or thirty (30) days after replacement, whichever
occurs later. The warranty provider's responsibility with respect
to this limited warranty shall be limited solely to repair or
replacement, at the provider's discretion, of any product that fails
during normal use of this product in its intended manner and in
its intended environment. Inoperability of the product or part(s)
shall be determined by the warranty provider. If the product has
been discontinued, the warranty provider reserves the right to
replace it with a model of equivalent quality and function. This
warranty does not cover damage or defect caused by misuse,
neglect, accident, alteration, abuse, improper installation or
maintenance. EXCEPT AS PROVIDED HEREIN, THE WARRANTY
PROVIDER MAKES NEITHER ANY EXPRESS WARRANTIES NOR
ANY IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO
ANY IMPLIED WARRANY OF MERCHANTABILITY OR FITNESS FOR
A PARTICULAR PURPOSE. This warranty provides you with specific
legal rights, and you may also have additional rights that vary from
state to state. To obtain warranty coverage, contact the Watson
Customer Service Department to obtain a return merchandise
authorization ("RMA") number, and return the defective product
to Watson along with the RMA number and proof of purchase.
Shipment of the defective product is at the purchaser's own
risk and expense. For more information or to arrange service,
visit www.poweredbywatson.com or call Customer Service at
212-594-2353.
Product warranty provided by the Gradus Group.
www.gradusgroup.com
Watson is a registered trademark of the Gradus Group.
© 2014 Gradus Group LLC. All Rights Reserved.
GG2
Warranty | 15
www.poweredbywatson.com
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