Solar Portable Generator
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2.1 Overview
2.2 Control Panel
2.3 Parts / Accessories
2.0 General lnformation
3.1 Charge from AC/DC Adaptor
3.2 Charge from Solar Panel
3.0 Charging MB3740
4.1 USB Socket
4.2 5.5mm DC Jack Socket
4.3 Cigarette Lighter Socket
4.4 AC Socket
4.0 Power Output
5.1 Charging and Battery Level Indication
5.2 DC Output Indication
5.3 AC Output Indication
5.0 LCD & LED Indications
6.0 Technical Specifications
1.0 Important Maintenance Notes
01
02
02
03
04
05
05
06
06
06
07
08
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09
4.5 Jump Starting Function
06
Contents
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CAUTION!
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DO NOT alter or remove the factory plates and identification labels.
DO NOT disassemble the device.(No user serviceable parts inside)
REMARKS:
Please turn OFF the DC Output Switch when DC output is not in use.
Please turn OFF the AC Output Switch when AC socket power output is
not in use.
1.0 Important Maintenance Notes
BEFORE USING MB3740 FOR THE FIRST TIME, PLEASE
FULLY CHARGE THE UNIT EITHER BY USING THE AC
ENSURE YOU
PROVIDED FOR AT LEAST 6 HOURS OR VIA SOLAR PANELS PROVIDED
FOR 12 HOURS.
CHARGER
PLEASE CHARGE MB3740 EVERY THREE MONTHS TO
THE BATTERY LIFE.
MAINTAIN
z ENSURE THAT THE UNIT IS FULLY CHARGED IMMEDIATELY AFTER
EACH USE TO PREVENT BATTERY DAMAGE.
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MB3740 is a solar portable generator with both AC and DC outlets and
power to different devices.
provides
MB3740 stores energy in its built in battery either via solar panel charging
an AC charger. The kit is ideal for home use, recreational, outdoor,
or via
emergency back up power.
office and
MB3740 also has overcurrent protection, short circuit protection,
over-voltage protection.
under-voltage and
2.1 Overview
2.2 Control Panel
2.0 General lnformation
2.1A
1.0A
CHARGING INPUT
12VDC
OUTPUT
1
23
4
5678
9
10 11 12 13 14
LCD display
Charging input indicator
DC output indicator
LCD display switch
5V USB output
USB output indicator
USB output switch
AC output indicator
AC output switch
Solar or AC/DC adaptor input port
Cigarette socket
12V DC output jack
DC output switch
AC output socket
12
13
14
11
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Please always turn AC/DC Switch ON to enable the power
output function.
Please always turn the AC/DC Switch OFF when it is not in
use and to extend the battery running time. The
charged when PV input/adaptor is plugged in.
unit can be
Item
Description Qty
A
10W solar panel with input cable 2
B
MB3740 power unit
1
C
Jump Starter Cable
1
D
2 in 1 solar panels connection cable 1
1
2
E
F
15.3V/3A, AC/DC Adaptor
12V/3W LED
2.3 Parts / Accessories
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All accessory photos and list above are only references. The final items
included are subject to change by regional requirements.
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While charging, the AC/DC Adaptor will get warm. This is
normal.
Please make sure that you only use the standard adaptor
supplied with the unit as it provided a constant current with
a charging power limit of 15.3V/3A.
3.1 Charge from AC/DC Adaptor
3.0 Charging MB3740
Plug the AC/DC Adaptor provided into both the socket wall and the DC charging
port on the unit. The LCD display will flash to confirm the charging process is
underway. When battery is fully charged, LCD will display “FULL” and Charging
LEDindicator will be on green.
4
2.1A
1.0A
CHARGING INPUT
12VDC
OUTPUT
Solar or AC/DC adaptor input port
Adaptor
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MB3740 can be charged by two 10 Watt solar panels.
MB3740 provides 4 sockets for 5VDC USB power output, 1x 2A socket
and 1x 1A socket as a group, each group support the maximum current of 3A.
diagram above.
Please refer to the connection
3.2 Charge from Solar Panel
4.1 USB Socket
4.0. Power Output
CAUTION!
Please charge the unit when the LCD displays “20”, otherwise the unit will be
in low voltage protection soon and all the outputs will be cuff of automatically.
Solar panels
2.1A
1.0A
CHARGING INPUT
12VDC
OUTPUT
Solar or AC/DC adaptor input port
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4.2 5.5mm DC Jack Socket
Two 5.5mm DC Jack Socket provides 12VDC/ 6A output to power and charge
12V DC devices.
The Cigarette Lighter Socket provides 12VDC/10A output to power and charge
12V DC devices.
4.3 Cigarette Lighter Socket
4.5 Jump Starting Function
Two AC Sockets provide 230V /50HZ output to support AC devices with 120
Watts of continuous consumption.
Step 1: Take out the provided Jump Starter Cable, Plug in one end to car starting
socket at back of main unit. Please do NOT short circuit connection, the
ports with high current!!
4.4 AC Socket
CAUTION!
The product carries high voltage AC output.
Short circuit of the battery and AC sockets should not be used under any
circumstance. This operation may damage the battery and cause a fire
hazard!
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Step 2: Clamp the other end to the battery terminals. Reverse polarity connection
on battery is NOT allowed. It is very dangerous.
Step 3: After car started, please disconnect the battery terminals first, please do
NOT short circuit.
LCD display will shows current battery level, Please press LCD display button to
turn on LCD display backlight. It will last 20 seconds.
A. “Full” means the battery is fully charged
B. “20” means battery is very low, please charge the battery
C. “0” means battery is flat
Step 4: Please disconnect the cable from MB3740.
5.0 LED Indications
5.1 Charging and Battery Level indication
5.1.1 LCD displays
CAUTION!
The car starting socket carry high current (250A)!
Short circuit and reverse polarity of the battery can NOT be used under any
circumstance. This operation may damage the battery and cause a fire hazard.
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Press the AC output switch to activate the AC power output, The LED will be in
green.
5.1.2 Charging LED indicator
5.3 AC Output Indication
When battery is under charging, the LED indicator will be in RED.
When battery fully charged, the LED indicator will be in green.
When PV in reverse polarity connected, the LED will keep flashing red.
5.2 DC Output Indication
Press the DC output switch to activate the DC power of 12V DC and 5V USB
output, The LED indicator will be in green.
When the output is in overcurrent mode, the LED will flash red.
CAUTION!
Please charge the unit when the LCD displays “20”, otherwise the unit will
be in low voltage protection soon and all the outputs will be cuff of
automatically.
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6.0 Technical Specifications
Description Specification Unit
Solar input range 16-32 V
Max input current 3 A
Adaptor input 15.3V,3A V, A
Battery specifications
(12V,lead acid)
1
8
AH
Standby current 1 mA
Min. charging voltage 6 VDC
Max. charging voltage 14.4 VDC
Low battery protection 10.5 VDC
Reco very batteryvoltage 12.6 VDC
DC 5.5mm socket X 2 output 12V, 6A Max. A
Cig. Socket x 1 output 12V,10A Max A
USB x 4 output
Group 1: 3A Max.
Group 2:3A Max.
A
AC inverter 230V/50HZ,120W
Solar Panel (Mono crystalline) 20W, 18V W, V
Dimension of Main unit( L x W x H ) 227x159x360 mm
Weight of Main Unit˄without panels
˅ 8.2 kg
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Specifications are subject to change without prior notice
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