MODZ Max Series User manual

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Congratulations on your purchase of a MODZ® Max golf cart battery
charger!
If you have questions, concerns or experiencing issues of any kind,
please contact us using one of the methods below. Please do not return
unit to online retailer.
Phone:
Speak to one of our customer service representatives at 844-
MODZ-USA Monday through Friday 8:00am –6:00pm CST
Email:
Contact our customer service team anytime with questions
regarding your MODZ® Max battery charger at
[email protected]m
Website:
Send us a message online at our website
https://cartmodz.com/max/

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I
Safety Precautions………………………………………………………………….........
3
II
Important Safety Instructions…………………………………………………........
4
III
Charger Protection Functions…………………………………………………………
8
IV
Operating Instructions……………………………………………………………........
9
V
Charger Features………………………………………………………………..............
10
VI
Charger Status Indicator…………………………………………………………………
11
VII
Warranty Information………………………………………………………..............
12
VIII
Compliance Statements………………………………………………………...........
13
IV
Dimensions & Operating Parameters.…………………………………............
14

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•NEVER splice, extend or otherwise alter the AC/DC
cord. Altering either cord may increase risk of fire or
electrocution
•DO NOT attempt to repair the charger. Attempting
to repair or alter the charger may increase risk of fire
or electrocution
•ALWAYS operate the charger in a well-ventilated
area to reduce the risk of igniting combustible gases
•AVOID using the charger if the power cables, plugs
or charger itself appear damaged in any way

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1.SAVE THESE INSTRUCTIONS
This manual contains important safety and operating instructions for
the MODZ® Max battery charger. Failure to follow these instructions
could result in serious damage to you or your golf cart. Please read this
manual in its entirety prior to operating the battery charger.
2. BATTERY TYPES
MODZ® Max battery chargers should only be used with flooded lead-
acid batteries manufactured by reputable golf cart battery brands.
3. UNPLUGGING CHARGER
To reduce the risk of damage, gently unplug the charger at the charging
plug and never disconnect the charger by pulling on the cord.
4. USING AN EXTENSION CORD
It is highly recommended to never use an extension cord. The use of an
improper extension cord could result in fire or electrocution.
If an extension cord must be used, always:
a) Confirm the pins on the plug of the extension cord are the same in
number, size and shape as those found on the AC plug of the charger.
b) Inspect the extension cable for signs of damage prior to use.
c) Verify the extension cable is rated for the AC ampere rating of the
charger.
5. DO NOT USE CHARGER WITH A DAMAGED CORD OR PLUG
Do not operate the charger with a damaged cord or plug. Using the
charger with a damaged cord or plug can result in fire, bodily harm or
even death.

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6. DO NOT OPERATE CHARGER IF IT HAS BEEN DROPPED OR DAMAGED
Do not operate charger if it has been dropped, sustained a hard impact
or damaged in any way.
7. DO NOT DISASSEMBLE CHARGER
Do not disassemble the charger. Disassembling the charger will void the
limited 18-month warranty.
8. ALWAYS UNPLUG CHARGER PRIOR TO ANY MAINTENANCE
To reduce risk of electric shock, always unplug charger from electrical
outlet and disconnect from golf cart before attempting any
maintenance or cleaning.
9. RISKS OF WORKING WITH LEAD-ACID BATTERIES
a) WORKING IN THE VICINITY OF LEAD-ACID BATTERIES CAN BE
DANGEROUS. DURING NORMAL OPERATION LEAD-ACID BATTERIES CAN
PRODUCE DANGEROUS EXPLOSIVE GASES. FOR THIS REASON, IT IS
IMPORT THAT YOU FOLLOW THE INSTRUCTIONS INCLUDED IN THIS
MANUAL EVERY TIME YOU USE THE CHARGER.
b) To reduce the risk of an explosion, follow these instructions and
those published by the battery manufacturer and manufacturer of any
equipment you intend to use in the vicinity of the charger.
b) To reduce the risk of explosion, damage or bodily harm, follow the
charging instructions published by the golf cart manufacturer.
10. PRECAUTIONS WHEN WORKING WITH LEAD-ACID BATTERIES
a) When working with lead-acid batteries it’s recommended to always
have someone close by should an emergency arise.
b) Always have soap and water on-hand in case of accidental exposure
to battery acid on skin, clothes or eyes.

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c) Always wear proper safety equipment when working with lead-acid
batteries including protective safety goggles and gloves.
d) If your skin or clothing comes into contact with battery acid,
immediately wash with soap and water. If battery acid comes into
contact with eyes, immediately flush eyes with cold running water for
at least 10 minutes and seek medical assistance as soon as possible.
e) DO NOT SMOKE AROUND BATTERIES WHILE CHARGING. FAILING TO
DO SO COULD IGNITE AN EXPLOSION
f) Avoid anything that may cause a spark near the batteries while
charging.
g) Avoid wearing jewelry such as rings, bracelets, necklaces or watches
when working with lead-acid batteries.
h) Always keep your cellphone as far away from your batteries while
charging as possible. Cellphones can create sparks which can lead to an
explosion.
j) Only charge lead-acid batteries specified by this manual. Never
charge dry-cell batteries as they may burst
k) NEVER CHARGE FROZEN BATTERIES AS THEY MAY EXPLODE CAUSING
DAMAGE, BODILY INJURY OR DEATH
11.PREPARING TO CHARGE
a) Confirm golf cart batteries are flooded/wet cell. The battery charger
cannot charge sealed and AGM type batteries
b) Ensure all batteries are at the proper water levels. Be careful not to
overfill batteries. Always adhere to the battery manufacturer’s
maintenance and operation instructions.

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c) Follow the battery manufacturer’s recommended rates of charge and
recharging procedures.
13.CHARGING LOCATION
a) Only use the charger in well ventilated areas. Using the charger in a
confined space will decrease the efficiency and lifespan of the charger.
b) If using an extension cord is absolutely necessary, please refer to the
precautions outlined in this instruction manual.
14. MOUNTING THE CHARGER
The MODZ® Max battery charger can easily be mounted to flat a
surface via the mounting base.
a) When mounting the battery charger, it is recommended to use nuts
and bolts instead of screws.
b) The charger can be installed upright, on its side or upside down.
c) When choosing an installation location, make sure there is at least 2
to 3 inches of space behind the fan to provide sufficient cooling
15. GENERAL MAINTENANCE
a) When cleaning, always ensure the charger handle is disconnected
from the golf cart charging port and the AC cord is unplugged from the
outlet.
b) Clean the charger with a slightly damp cloth. Do not use cleaning
solvents.
16. DC DISCONNECTION INSTRUCTIONS (ON-BOARD CHARGERS ONLY)
Always disconnect the AC plug from power outlet prior to disconnecting
positive and negative cables

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● Burnout Protection: If the charger exceeds normal operating
temperatures, power output will be decreased until regular
operating temperatures resume.
If the charger exceeds 149° F, the charger will automatically
stop charging and go into standby mode until normal operating
temperatures are detected and charging can safely be resumed.
● Polarity Detection Protection: If one or more batteries are
connected improperly, the charger will automatically shut
down to prevent any potential damage to the batteries.
● Idle Load Protection: When disconnected, the charger will
have zero power output.
● Short Circuit Protection: If a short-circuit is detected, the
charger will automatically shut down. The charger will resume
normal charging once the short-circuit is no longer detected.
● Automatic Shut Down: The charger will automatically shut
down once all batteries are fully charged.

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MODZ® Max battery chargers are intended for use with flooded/wet-
acid golf cart batteries only. Always refer to your battery
manufacturer’s instructions when recharging your batteries.
ONLY CHARGE YOUR GOLF CART IN WELL VENTALITED AREAS AS
FLOODED/WET-ACID BATTERIES PRODUCE COMBUSTABLE GASES
DURING NORMAL OPERATION
Basic Operating Instructions:
a) Firmly connect the DC charger plug into your golf cart’s charging
receptacle.
b) Plug-in the battery charger using the AC power cord to an
appropriate outlet.
c) Wait for LED indicator light (this may take up to 90 seconds). The LED
status light will flash red and green while assessing your battery
capacity and ambient temperature readings.
d) Once the charger has assessed your golf cart battery level the proper
charging mode will begin, and the fan will turn on. Refer to the charging
modes section for more details on the different charging states.
e) When you’re ready to use or move the golf cart, gently remove the
charging handle from the golf cart charging receptacle.
f) Once the charger handle has been removed from the golf cart
charging port, unplug the AC plug from the outlet if the charge will not
be used for a prolonged period of time.
g) Safely store the battery charger when not in use.

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EASY TO OPERATE
The MODZ® Max battery charger includes innovative, plug and forget
smart float technology allowing you to plug in your golf cart and leave it
plugged in without fear of damaging your batteries over extended
periods of time
TOUGH TESTED
WATER RESISTANT
The MODZ® Max battery charger has an IP67 (ingress protection)
rating. Products with the IP67 rating not only provide complete
protection against dust, but also protection against full water
submersion as deep as 1 meter (3.2ft) for up to 30 minutes.
RUGGED CONSTRUCTION
The MODZ® Max battery charger is constructed with a durable die-cast
aluminum alloy casing. The internal circuitry of the charger is coated
with a protective thermal silica gel providing significant protection
against dust, water and vibration.
SMART CHARGING
The MODZ® Max battery charger uses an internal microprocessor to
intelligently charge the batteries of your golf cart based on real-time
battery pack capacity and ambient temperature readings. The digital
microprocessor provides:
•Multi-stage charging
•Output & Input over/under voltage protection
•Temperature compensation
•Short-circuit & no-load protection