NOCO Genius G4 Manuel utilisateur
Welcome. Thank you for buying the NOCO Genius®G4.
Read and understand the User Guide before operating the
charger. For questions regarding our chargers, view our
comprehensive support information at www.no.co/support.
To contact NOCO for personalized support (not available in
all areas), visit www.no.co/connect.
What’s In The Box.
• G4 4-Bank Smart Charger
• (2) Battery Clamp Connectors
• (2) Eyelet Terminal Connectors
• (4) Extension Cables
• User Guide
• Information Guide and Warranty
User Guide
G4V2.0
PRIOR TO USE, READ AND UNDERSTAND
PRODUCT SAFETY INFORMATION.
Failure to follow the instructions may result
in ELECTRICAL SHOCK, EXPLOSION,
or FIRE, which may result in SERIOUS
INJURY, DEATH, DAMAGE TO DEVICE or
PROPERTY. Do not discard this information.
DANGER
Contacting NOCO.
About G4. The NOCO Genius®G4 represents some
of the most innovative and advanced technology on the
market, making each charge simple and easy. It is quite
possibly the safest and most efcient charger you will ever
use. The G4 is designed for charging multiple (up to 4)
12V lead-acid and 12V lithium-ion batteries, including Wet
(Flooded), Gel, MF (Maintenance-Free), CA (Calcium), EFB
(Enhanced Flooded Battery), AGM (Absorption Glass Mat),
and LIB (Lithium-Ion) batteries. It is suitable for charging
battery capacities from 2 to 40 Amp-Hours and maintaining
all battery sizes.
Getting Started. Before using the charger, carefully
read the battery manufacturer’s specic precautions and
recommended rates of charge for the battery. Make sure to
determine the voltage and chemistry of the battery by
referring to your battery owner’s manual prior to charging.
Mounting. The G4 has four (4) external holes for
mounting. Mount the charger in a desired location with
#6 self-drill screws. Make sure there are no obstructions
behind the mounting surface. It is important to keep in
mind the distance to the battery. The lengths of the DC
cable from the charger, with either the battery clamp or
eyelet terminal connectors, is approximately 142-inches
(3,600mm).
Charging Modes. The G4 has ve (5) modes per
bank: Standby, 12V NORM, 12V COLD/AGM, 6V NORM,
and 12V LITHIUM. Some charge modes must be pressed
and held for three (3) seconds to enter the mode. These
“Press and Hold” modes are advanced charging modes
that require your full attention before selecting. “Press
and Hold” are indicated on the charger by a red line. It is
1.800.456.6626
30339 Diamond Parkway, #102
Glenwillow, OH 44139
United States of America
Phone:
Email:
Mailing Address:
2
important to understand the differences and purpose
of each charge mode. Do not operate the charger until
you conrm the appropriate charge mode for your
battery. Below is a brief description:
Mode Explanation
12V
NORM
Standby
12V
COLD/
AGM
14.8V | 1.1A | 2-40Ah Batteries
6V
NORM
7.25V | 1.1A | 2-40Ah Batteries
14.2V | 1.1A | 2-40Ah Batteries
Press & Hold
Press & Hold
No Power
14.5V | 1.1A | 2-40Ah Batteries
12V
LITHIUM
In Standby mode, the charger is not
charging or providing any power to
the battery. Energy Save is activated
during this mode, drawing microscopic
power from the electrical outlet. When
selected, an orange LED will illuminate.
For charging 12-volt Wet Cell, Gel Cell,
Enhanced Flooded, Maintenance-Free
and Calcium batteries. When selected,
a white LED will illuminate.
For charging 12-volt batteries in cold
temperatures below 50ºF (10ºC) or
AGM batteries. When selected, a blue
LED will illuminate.
For charging 6-volt Wet Cell, Gel Cell,
Enhanced Flooded, Maintenance-Free
and Calcium batteries. When selected,
a white LED will illuminate.
For charging 12-volt lithium-ion
batteries, including lithium iron
phosphate. When selected, a blue
LED will illuminate.
Using 6V NORM. [Press & Hold]
6V NORM charge mode is designed for 6-volt lead-acid
batteries only, like Wet Cell, Gel Cell, Enhanced Flooded,
Maintenance-Free and Calcium batteries. Consult the
battery manufacturer before using this mode.
CAUTION. THIS MODE IS FOR 6-VOLT LEAD-ACID
BATTERIES ONLY.
Using 12V Lithium. [Press & Hold]
12V Lithium charge mode is designed for 12-volt
lithium-ion batteries only, including lithium iron phosphate.
CAUTION. USE THIS MODE WITH CARE. THIS MODE
IS FOR 12-VOLT LITHIUM BATTERIES ONLY. LITHIUM-
ION BATTERIES ARE MADE AND CONSTRUCTED
IN DIFFERENT WAYS AND SOME MAY OR MAY NOT
CONTAIN A BATTERY MANAGEMENT SYSTEM (BMS).
CONSULT THE LITHIUM BATTERY MANUFACTURER
BEFORE CHARGING AND ASK FOR RECOMMENDED
CHARGING RATES AND VOLTAGES. SOME LITHIUM-
ION BATTERIES MAY BE UNSTABLE AND UNSUITABLE
FOR CHARGING. MAKE SURE YOU PURCHASE YOUR
LITHIUM-ION BATTERY FROM A WELL-KNOWN AND
REPUTABLE BRAND.
Connecting to the Battery.
Do not connect the AC power plug until all other
connections are made. Identify the correct polarity of
the battery terminals on the battery. The positive battery
terminal is typically marked by these letters or symbol
(POS,P,+). The negative battery terminal is typically
marked by these letters or symbol (NEG,N,-). Do not make
any connections to the carburetor, fuel lines, or thin,
sheet metal parts. The below instructions are for
a negative ground system (most common). If your
vehicle is a positive ground system (very uncommon),
follow the below instructions in reverse order.
4
1.) Connect the positive (red) battery clamp or eyelet
terminal connector to the positive (POS,P,+) battery
terminal.
2.) Connect the negative (black) battery clamp or eyelet
terminal connector to the negative (NEG,N,-) battery
terminal or vehicle chassis.
3.) Connect the battery charger’s AC power plug into a
suitable electrical outlet. Do not face the battery when
making this connection.
4.) When disconnecting the battery charger, disconnect
in the reverse sequence, removing the negative rst (or
positive rst for positive ground systems).
Begin Charging.
1.) Verify the voltage and chemistry of the battery.
2.) Conrm that you have connected the battery clamps
or eyelet terminal connectors properly and the AC power
plug is plugged into an electrical outlet.
3.) The charger will begin in Standby mode, indicated by
an orange LED. In Standby, the charger is not providing
any power.
4.) Press the mode button to toggle to the appropriate
charge mode (press and hold for three seconds to enter
an advanced charge mode) for the voltage and chemistry
of your battery.
5.) The mode LED will illuminate the selected charge
mode and the Charge LEDs will illuminate (depending on
the health of the battery) indicating the charging process
has started.
6.) The charger can now be left connected to the battery
at all times to provide maintenance charging.
Understanding Charge LEDs.
The charger has four (4) Charge LEDs per bank - 25%,
50%, 75% and 100%. These Charge LEDs indicate the
connected battery(s) state-of-charge (SOC). See the
explanation below:
LED Explanation
Maintenance
Green LED
25%
Red LED
The 25% Charge LED will slowly
pulse “on” and “off”, when the battery
is less than 25% fully charged. When
the battery is 25% charged, the red
Charge LED will be solid.
50%
Red LED
During maintenance charging, the
100% Charge LED will pulse “on”
and “off” slowly. When the battery is
topped off and fully charged again,
the 100% Charge LED will turn
solid green. The charger can be left
connected to the battery indenitely.
75%
Orange LED
The 50% Charge LED will slowly
pulse “on” and “off”, when the battery
is less than 50% fully charged. When
the battery is 50% charged, the red
Charge LED will be solid.
The 75% Charge LED will slowly
pulse “on” and “off”, when the battery
is less than 75% fully charged. When
the battery is 75% charged, the
orange Charge LED will be solid.
The 100% Charge LED will slowly
pulse “on” and “off”, when the battery
is less than 100% fully charged. When
the battery is fully charged, the green
LED will be solid, and the 25%, 50%
and 75% Charge LEDs will turn “off”.
100%
Green LED
25% 50% 75% 100%
25% 50% 75% 100%
25% 50% 75% 100%
25% 50% 75% 100%
25% 50% 75% 100%
6
Understanding Advanced Diagnostics.
Advanced Diagnostics is used when displaying Error
Conditions. It will display a series of blink sequences
that help you identify the cause of the error and
potential solutions.
All Error Conditions are displayed with the Error LED
and Standby LED ashing back and forth. The
number of ashes between each pulse denotes a
potential Error Condition (except reverse polarity and
low-voltage battery).
Error Reason/Solution
Single
Flash
Battery will not hold a charge.
Have battery checked by a
professional.
Possible battery short.
Have battery checked by a
professional.
Battery voltage is too high for
the selected charge mode.
Check the battery and charge
mode.
Error LED
Solid Red
Reverse polarity. Reverse the
battery connections.
Battery voltage is too low for
charge to detect or charger
is in supply. Jumpstart the
battery to raise the battery
voltage.
Double
Flash
Triple
Flash
Standby
Solid Orange
Memory
Returns to last selected mode when restarted
Interactive
Alters the charging process based on organic
battery feedback
Recovery
Applies a high-voltage pulse charge when low-
voltage, sulfation or lost capacity is detected
Safe
Protects against reverse polarity, sparks,
overcharging, overcurrent, open-circuits,
short-circuits and overheating
Fast
Charges two times faster than traditional
battery chargers
Compensation
Adjusts for varying A/C line voltage for
consistent charging
Rugged
Dirt, water, UV, impact and crush resistant
Compact
High-frequency energy conversion for
ultra-compact, lightweight and portable charger
Start-Stop
Counteracts increased cyclic energy demands
placed on batteries in micro-hybrid vehicles
Firewall
Multi-level safety barrier that prevents abnormal
and unsafe conditions
8
Optimization
Stabilizes internal battery chemistry for
increased performance and longevity
Maintenance Plus
Keeps the battery fully charged without
overcharging allowing the charger to be
safely connected indenitely
Energy Save
Minimizes energy consumption when full
power is not needed
Load Tracking
Charge LEDs dynamically track the
batteries state-of-charge when a load
outpaces the charge current
Diagnostics
Intuitive visual diagnostic tool for detecting
reverse polarity, low-voltage or damaged
batteries
CANBUS
Automatically enables the charging port to
charge CANBUS systems
Thermal Monitor
Internal temperature sensors adjust charge
based on ambient climate
1 2 3 4 5 6 7 8
Analyze
Step
Voltage (V)
Current (A)
Initialize
Diagnose
Bulk
Optimization
Recovery
Absorption
Maintenance
Charging Steps.
Step 1 & 2: Analyze & Diagnose
Checks the battery’s initial condition, including voltage,
state-of-charge and health, to determine if the battery is
stable before charging.
Step 3: Recovery
Initializes the Recovery desulfation process (if needed) for
deeply discharged or sulfated batteries by pulsing small
amounts of current.
Step 4: Initialize
Starts the charging process with a gentle (soft) charge.
Step 5: Bulk
Begins the Bulk charging process based on the condition
of the battery and returns 80% of the battery’s capacity.
Step 6: Absorption
Brings the charge level to 90% by delivering small amounts
of current to provide a safe, efcient charge. This limits
battery gassing and is essential to prolonging battery life.
Step 7: Optimization
Finalizes the charging process and brings the battery to
maximum capacity. In this step, the charger utilizes
multi-layered charging proles to fully recapture capacity
and optimize the specic gravity of the battery for
increased run time and performance. The charger will
switch to Maintenance if the battery tells the charger that
more current is needed.
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