WATSON D-3416 Duo User manual

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
WARRANTY 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.
© 2019 Gradus Group LLC. All Rights Reserved.
GG1
Owner's
Manual
D-3416
SAFETY WARNINGS:
Do not charge any battery other than Nikon
EN-EL18/18a/18b/18c and EN-EL4/4a
rechargeable batteries. Other types of batteries
can burst, causing personal injury and damage.
Do not disassemble the charger. Take the
charger to a qualified service technician when
service or repair is required. Improper use
may result in the risk of electric shock or fire.
Do not operate the charger if it has
received a sharp blow or has been
dropped or damaged in any way.
Never expose the charger to rain or moisture.
Images are for illustrative purposes only.
Do not use an extension cord when
using the charger. This can result
in fire or electric shock.
Never use the charger as a DC power
source for any electrical equipment.
Always unplug the charger from the AC
outlet before handling the batteries.
Unplug the charger from the AC
outlet before 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.
Duo Charger
for Nikon
EN-EL18/18a/18b/18c,
EN-EL4/4a
Rechargeable Batteries

FEATURES:
Sequential charging for two Nikon
EN-EL18/18a/18b/18c or EN-
EL4/4a rechargeable batteries.
LED indicators display when batteries are
charging and when they're ready to use.
Overheating detection minimizes
possible high temperatures and
automatically shuts off the charger.
Short-circuit protection prevents the
charger and batteries from receiving
excessive amounts of current.
Surge-protection circuits guard the charger from
overcurrent or defective and shorted batteries.
The universal 100~240 V AC input is perfect
for travelling and charging anywhere.
Note: It is normal for the batteries to
become warm during charging.This
unit sequentially charges the batteries
in the order they are inserted.
THANK YOU FOR CHOOSING
WATSON.
The Watson D-3416 Duo charges up to two Nikon
EN-EL18/18a/18b/18c or EN-EL4 /4a rechargeable
batteries. Please read through this manual before
use for information and warnings regarding this
equipment.
Input Power 100~240 V AC,
50/60 Hz
Charging Current 980 mA ±50 mA
Output 12.6 V DC
Cable Length 39.2 in. (99.5 cm)
Operating
Temperature
32°F to 104°F
(0°C to 40°C)
Dimensions
(H �W �D)
2 ×6.3 ×3.4 in.
(50 � 160 � 86 mm)
without plates
Weight 8 oz. (226 g)
without plates
Certifications CE
SPECIFICATIONS:OVERVIEW
LED STATUS INDICATORS
AC power port
Battery LED
Note: If the charger detects defective batteries, the charge status
LEDs will flash with an irregular pattern.
Charge State
Charge
Status
LEDs
LED
50% to 80%
<50% 80% to 100% 100%
Solid (Charged) Off
Flashing (Charging)
Charging bays
Charge status LEDs
Battery plates for Nikon
EN-EL4 and EN-EL4a
rechargeable batteries
LEDs

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
WARRANTY 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.
© 2019 Gradus Group LLC. All Rights Reserved.
GG1
Owner's
Manual
D-3416
SAFETY WARNINGS:
Do not charge any battery other than Nikon
EN-EL18/18a/18b/18c and EN-EL4/4a
rechargeable batteries. Other types of batteries
can burst, causing personal injury and damage.
Do not disassemble the charger. Take the
charger to a qualified service technician when
service or repair is required. Improper use
may result in the risk of electric shock or fire.
Do not operate the charger if it has
received a sharp blow or has been
dropped or damaged in any way.
Never expose the charger to rain or moisture.
Images are for illustrative purposes only.
Do not use an extension cord when
using the charger. This can result
in fire or electric shock.
Never use the charger as a DC power
source for any electrical equipment.
Always unplug the charger from the AC
outlet before handling the batteries.
Unplug the charger from the AC
outlet before 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.
Duo Charger
for Nikon
EN-EL18/18a/18b/18c,
EN-EL4/4a
Rechargeable Batteries

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
WARRANTY 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.
© 2019 Gradus Group LLC. All Rights Reserved.
GG1
Owner's
Manual
D-3416
SAFETY WARNINGS:
Do not charge any battery other than Nikon
EN-EL18/18a/18b/18c and EN-EL4/4a
rechargeable batteries. Other types of batteries
can burst, causing personal injury and damage.
Do not disassemble the charger. Take the
charger to a qualified service technician when
service or repair is required. Improper use
may result in the risk of electric shock or fire.
Do not operate the charger if it has
received a sharp blow or has been
dropped or damaged in any way.
Never expose the charger to rain or moisture.
Images are for illustrative purposes only.
Do not use an extension cord when
using the charger. This can result
in fire or electric shock.
Never use the charger as a DC power
source for any electrical equipment.
Always unplug the charger from the AC
outlet before handling the batteries.
Unplug the charger from the AC
outlet before 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.
Duo Charger
for Nikon
EN-EL18/18a/18b/18c,
EN-EL4/4a
Rechargeable Batteries

FEATURES:
Sequential charging for two Nikon
EN-EL18/18a/18b/18c or EN-
EL4/4a rechargeable batteries.
LED indicators display when batteries are
charging and when they're ready to use.
Overheating detection minimizes
possible high temperatures and
automatically shuts off the charger.
Short-circuit protection prevents the
charger and batteries from receiving
excessive amounts of current.
Surge-protection circuits guard the charger from
overcurrent or defective and shorted batteries.
The universal 100~240 V AC input is perfect
for travelling and charging anywhere.
Note: It is normal for the batteries to
become warm during charging.This
unit sequentially charges the batteries
in the order they are inserted.
THANK YOU FOR CHOOSING
WATSON.
The Watson D-3416 Duo charges up to two Nikon
EN-EL18/18a/18b/18c or EN-EL4 /4a rechargeable
batteries. Please read through this manual before
use for information and warnings regarding this
equipment.
Input Power 100~240 V AC,
50/60 Hz
Charging Current 980 mA ±50 mA
Output 12.6 V DC
Cable Length 39.2 in. (99.5 cm)
Operating
Temperature
32°F to 104°F
(0°C to 40°C)
Dimensions
(H �W �D)
2 ×6.3 ×3.4 in.
(50 � 160 � 86 mm)
without plates
Weight 8 oz. (226 g)
without plates
Certifications CE
SPECIFICATIONS:
OVERVIEW
LED STATUS INDICATORS
AC power port
Battery LED
Note: If the charger detects defective batteries, the charge status
LEDs will flash with an irregular pattern.
Charge State
Charge
Status
LEDs
LED
50% to 80%
<50% 80% to 100% 100%
Solid (Charged) Off
Flashing (Charging)
Charging bays
Charge status LEDs
Battery plates for Nikon
EN-EL4 and EN-EL4a
rechargeable batteries
LEDs

FEATURES:
Sequential charging for two Nikon
EN-EL18/18a/18b/18c or EN-
EL4/4a rechargeable batteries.
LED indicators display when batteries are
charging and when they're ready to use.
Overheating detection minimizes
possible high temperatures and
automatically shuts off the charger.
Short-circuit protection prevents the
charger and batteries from receiving
excessive amounts of current.
Surge-protection circuits guard the charger from
overcurrent or defective and shorted batteries.
The universal 100~240 V AC input is perfect
for travelling and charging anywhere.
Note: It is normal for the batteries to
become warm during charging.This
unit sequentially charges the batteries
in the order they are inserted.
THANK YOU FOR CHOOSING
WATSON.
The Watson D-3416 Duo charges up to two Nikon
EN-EL18/18a/18b/18c or EN-EL4 /4a rechargeable
batteries. Please read through this manual before
use for information and warnings regarding this
equipment.
Input Power 100~240 V AC,
50/60 Hz
Charging Current 980 mA ±50 mA
Output 12.6 V DC
Cable Length 39.2 in. (99.5 cm)
Operating
Temperature
32°F to 104°F
(0°C to 40°C)
Dimensions
(H �W �D)
2 ×6.3 ×3.4 in.
(50 � 160 � 86 mm)
without plates
Weight 8 oz. (226 g)
without plates
Certifications CE
SPECIFICATIONS:OVERVIEW
LED STATUS INDICATORS
AC power port
Battery LED
Note: If the charger detects defective batteries, the charge status
LEDs will flash with an irregular pattern.
Charge State
Charge
Status
LEDs
LED
50% to 80%
<50% 80% to 100% 100%
Solid (Charged) Off
Flashing (Charging)
Charging bays
Charge status LEDs
Battery plates for Nikon
EN-EL4 and EN-EL4a
rechargeable batteries
LEDs

FEATURES:
Sequential charging for two Nikon
EN-EL18/18a/18b/18c or EN-
EL4/4a rechargeable batteries.
LED indicators display when batteries are
charging and when they're ready to use.
Overheating detection minimizes
possible high temperatures and
automatically shuts off the charger.
Short-circuit protection prevents the
charger and batteries from receiving
excessive amounts of current.
Surge-protection circuits guard the charger from
overcurrent or defective and shorted batteries.
The universal 100~240 V AC input is perfect
for travelling and charging anywhere.
Note: It is normal for the batteries to
become warm during charging.This
unit sequentially charges the batteries
in the order they are inserted.
THANK YOU FOR CHOOSING
WATSON.
The Watson D-3416 Duo charges up to two Nikon
EN-EL18/18a/18b/18c or EN-EL4 /4a rechargeable
batteries. Please read through this manual before
use for information and warnings regarding this
equipment.
Input Power 100~240 V AC,
50/60 Hz
Charging Current 980 mA ±50 mA
Output 12.6 V DC
Cable Length 39.2 in. (99.5 cm)
Operating
Temperature
32°F to 104°F
(0°C to 40°C)
Dimensions
(H �W �D)
2 ×6.3 ×3.4 in.
(50 � 160 � 86 mm)
without plates
Weight 8 oz. (226 g)
without plates
Certifications CE
SPECIFICATIONS:
OVERVIEW
LED STATUS INDICATORS
AC power port
Battery LED
Note: If the charger detects defective batteries, the charge status
LEDs will flash with an irregular pattern.
Charge State
Charge
Status
LEDs
LED
50% to 80%
<50% 80% to 100% 100%
Solid (Charged) Off
Flashing (Charging)
Charging bays
Charge status LEDs
Battery plates for Nikon
EN-EL4 and EN-EL4a
rechargeable batteries
LEDs

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
WARRANTY 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.
© 2019 Gradus Group LLC. All Rights Reserved.
GG1
Owner's
Manual
D-3416
SAFETY WARNINGS:
Do not charge any battery other than Nikon
EN-EL18/18a/18b/18c and EN-EL4/4a
rechargeable batteries. Other types of batteries
can burst, causing personal injury and damage.
Do not disassemble the charger. Take the
charger to a qualified service technician when
service or repair is required. Improper use
may result in the risk of electric shock or fire.
Do not operate the charger if it has
received a sharp blow or has been
dropped or damaged in any way.
Never expose the charger to rain or moisture.
Images are for illustrative purposes only.
Do not use an extension cord when
using the charger. This can result
in fire or electric shock.
Never use the charger as a DC power
source for any electrical equipment.
Always unplug the charger from the AC
outlet before handling the batteries.
Unplug the charger from the AC
outlet before 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.
Duo Charger
for Nikon
EN-EL18/18a/18b/18c,
EN-EL4/4a
Rechargeable Batteries
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