Smart 50
USER GUIDE
Battery Charger
Smart 50
with built-in flashlight
for 6 – 200Ah lead-acid batteries
Please read this user guide carefully before using the charger
Use protective eyewear when handling batteries
INTRODUCTION
Thank you for choosing a professional quality product from
MODERNUM! This advanced and user-friendly battery charger
will optimize performance and lifetime of your battery.
This intelligent and fully automatic charger can be used to
charge any type of lead-acid batteries, including AGM and GEL
types from 6 to 200Ah. It has a flashlight that automatically
turns on while not connected to the battery.
Visit www.modernum.se for more info about us.
SAFETY
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This charger is made for charging 12V lead-acid
batteries. Do not use it for other purposes or with other
battery types.
Do not try to recharge non-rechargeable batteries.
Do not use the charger if its casing, terminals, clamps or
cables are damaged.
If the supply cord is damaged, it must be replaced by the
manufacturer, its service agent or similarly qualified
persons in order to avoid a hazard.
Use protective eyewear when handling batteries, and
connecting or disconnecting it.
Battery acid is corrosive. If it comes in contact with skin
or eyes – rinse with plenty of water and contact a doctor
immediately.
During charge, a battery can emit explosive gases. Make
sure there are not sparks or flames close to it, and
ensure good ventilation.
Never charge a battery that is frozen.
Do not place the charger on top of the battery.
Do not cover the charger.
The charger is protected against overheating. If the
ambient temperature is too high, the charging current is
reduced.
During the charge, the charger may intermittently
provide a 15.0V charge voltage. Ensure that no
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equipment that may be damaged by this voltage level is
connected to the battery during charging.
This appliance can be used by children aged from 8 years
and above and persons with reduced physical, sensory
or mental capabilities or lack of experience and
knowledge if they have been given supervision or
instruction concerning use of the appliance in a safe way
and understand the hazard involved. Children shall not
play with the appliance. Cleaning and user maintenance
shall not be made by children without supervision.
Make sure that the charger switched to maintenance
mode after normal charging is completed, if you want to
leave it unattended and connected for a long time. If it
does not leave charge mode after maximum time,
disconnect charger from the battery. See technical
specifications below for info about time limit.
All batteries will eventually fail. If that happens during
charging, the charger will detect it, but there may be
some rare faults in the battery, so do not leave it
charging unattended for longer periods of time.
You need to have read and understood the full context
of this user guide before you start using the battery
charger.
GETTING STARTED
1.
2.
Connecting the charger: Connect the charger to the
supply mains. A flashlight on the top will automatically
turn on to assist you in dark situations. The battery
terminal not connected to the chassis has to be
connected first. The other connection is to be made to
the chassis, remote from the battery and fuel line. The
red clamp should connect to the positive (+) pole of the
battery and the black clamp to the negative (-) pole.
For stand-alone batteries: Connect the charger to the
supply mains. Connect the red clamp to the battery’s
positive (+) pole, and then the black clamp to the
battery’s negative (-) pole.
When all 4 charge level indicators are constantly lit, the
battery is fully charged and has entered maintenance
mode. The battery will be kept fully charged as long as
charger is plugged in to the mains.
INSTRUCTIONS
1.
2.
Connect the charger as explained in GETTING STARTED,
point 1, above. The 4 LEDs in the battery symbol will
flash for a few seconds. Then it will start to analyze the
battery, and the charge level indicators will start rolling
from “battery empty” to “battery full”. After a little
while, the LEDs will have a steady light indicating the
current battery charge level, and when charging is
finished all 4 LEDs will be lit.
If the red light below the level indicators is lit constantly,
3.
it means “FAULT” and indicates wrong connection to
battery (reversed polarity). Disconnect mains, then
clamps and reconnect as said above.
When charging, the yellow and green indicators will
show the current charge level of the battery, when
constantly lit.
Lamp lit – Battery not connected
Lamp+Red – wrong polarity to battery
Yellow+Green rolling – Charging
Yellow+Green constant– fully charged
Yellow+Green+red constantly lit charging timeout (charge cycle finished
without reaching full charge)
4.
5.
6.
After charging, disconnect the battery charger from the
supply mains. Then remove the chassis connection and
then the battery connection.
For stand-alone batteries: After charging, disconnect the
charger from the supply mains. Then remove the black
clamp and then the red clamp.
It is recommended to store the charger in its original bag
when not in use.
By leaving the clamps on the battery after charging, and
mains plugged in, the charger will automatically switch
to 13.7V maintenance mode as long as it is connected to
the mains.
To stop or interrupt charging, unplug the supply mains,
at any time, and then remove clamps.
CHARGING CURVE
Reference charging time (hours) to 85 % capacity.
Time varies with different batteries and conditions.
25Ah: 6h 75Ah: 12h 100Ah: 21h 150Ah: 31h
Note: If left connected, it is programmed to restart from
Step3 after 7 days, to refresh the battery.
SPECIAL FEATURES
Flashlight: There is a built-in flashlight in the front of the
charger, on the top of casing just in front of the battery
symbol. It will automatically turn on when the charger is
plugged in. It will switch off if connected to a battery.
Temperature sensor: The temperature affects the batteries
ability to receive charge. This product has a sensor in the
black clamp, which compensates for temperature variations
to give optimal charge in cold as well as warm conditions,
avoiding the common problem of insufficient charging in cold
weather and over-charging at high temperatures.
Storage and travel: To make it easy to bring the charger with
you, and for compact storage - use the cloth bag to protect it
while not in use.
FAULTS INDICATIONS & TROUBLE-SHOOTING
1.
Fault: Lamp+Red light (constant) is lit, Clamps
connected to the battery.
Probable cause: Reversed polarity protection
activated due to clamps connected to wrong
battery poles.
Action: disconnect the charger from the mains, reconnect the clamps correctly and connect mains
again.
2.
Fault: Charging does not start and flashlight does
not turn off. None of the battery level lights are lit.
Probable cause 1: Clamps do not have good
connection to battery.
Action: Check that clamps are connected well to
metal on both battery poles. Check that connector
on the clamp cable is pushed all the way into
connector on charger’s connector.
Probable cause 2: The battery voltage is too low
(<3V) for the charger to detect it, and it will not
start. This may be because the battery is worn or
faulty or has been overly discharged.
Action: Replace battery or you can try to connect
another battery in parallel, like when using jumpstart cables:
Disconnect the charger, and then connect the
batteries to each other by connecting their positive
terminals (+) together using a jumper cable, and
then connecting the negative terminals (-) using
another jumper cable. Then connect the charger
and retry the process. If charging starts, disconnect
the jumper cables and let charging continue until
battery is fully charged. If the charging does not
begin the battery is probably defective and should
be replaced.
3.
Fault: Charging started normally, but did not
complete, and stopped. Yellow+Green+Red lights
are lit.
Probable cause 1: The battery has a fault that does
not permit it to be charged, e.g. a short circuit.
Action: Replace the battery (with lead-acid type).
Probable cause 2: Parallel load. If there is an
equipment using current from the battery while
charging, the charger may not be able to charge
the battery within the safety time limit set for
safety reasons.
Action: Disconnect the parallel load and repeat
charging, or purchase a more powerful charger
that can handle the extra load.
Probable cause 3: Battery is too large and could
not be charged within the set safety time limit.
Action: Repeat charging.
4.
Fault: The flashlight does not come on when the
charger´s power cable is plugged into the mains
socket.
Probable cause: No power in mains socket. Or the
flashlight LED is broken. (You can still use the
charger but it will be without flashlight function).
MAINTENANCE
The charger is entirely maintenance-free. It has no userserviceable parts. Opening the charger will void the warranty.
The case may be cleaned using a soft, damp cloth. The
charger must be disconnected from the mains when being
cleaned.
ACCESSORIES
The charger comes with clamp cables and a set of ring
terminal cables, which can be used for fixed installations. To
change cables, press the unlock flange on the connector and
pull it out. Connect the desired new cable. Push it all the way.
The flange should lock it.
TECHNICAL SPECIFICATIONS
Model:
Type:
For battery types (12V)
For battery capacity
Input voltage
Input current
Back current
Charging Voltage
Charging current
Ripple voltage
Ambient temperature
Cooling
Spark protection
Temperature sensor
Desulphation error
Max charging time
Charging type
Battery DC cable (length)
Power cable (length, type)
Dimensions (LxWxH)
International Protection class
Weight
Smart 50
Switch mode charger,
microprocessor controlled
lead-acid (incl. AGM, GEL)
6 – 200Ah
220-240 VAC
0.7A
≤1mA
13.7 – 15.5VDC
Max 5A
Max 70mV
- 40 – +50°C
Convection
Yes
Yes (≈0.3V/10°C)
Yes after 15min if Imin<0,1A
80 hours (approximately)
8 step;
1500 mm
1400 mm, 2x0.75 mm2
230x40x38 mm
IP54
0.5 kg (net)
CE MANUFACTURER DECLARATION
Made by:
SM Power Innovations AB (SMPower)
Product:
Battery charger Smart 50
The manufacturer guarantees that the unit complies with the
relevant standards. Tested and approved by Intertek.
LIMITED WARRANTY
We guarantee the quality of this product. It is made to meet
high industrial production standards for electronics. This
limited warranty is made to the original purchaser of this
product, and is valid from the date of purchase, meeting the
mandatory warranty rights for the country of purchase. If the
product has workmanship defects or damages relating to
manufacturing or distribution, contact the store where you
purchased the charger for warranty claims. The warranty is
void if the unit has been damaged due to careless handling,
abuse or unauthorized repair, or has been opened, or screws
and/or labels have been removed. We are not responsible for
any consequential costs, or shipping- or handling costs for the
return to the place of purchase. Nor are we liable under any
other warranty than this one. This warranty is not
transferrable.
Note: Measurements such as time, %, lengths etc are approximates.
Doc.No: MAN-SMP176-17-ENGrev0-3
all rights reserved
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