Smartgen BAC2405 Manuel utilisateur
BAC2405
BATTERY CHARGER
USER MANUAL
SMARTGEN (ZHENGZHOU) TECHNOLOGY CO., LTD.
BAC2405 BATTERY CHARGER USER MANUAL
BAC2405 Battery Charger Version 1.1 2017-11-09 Page 4 of 7
1 SUMMARY
Fit with up-to-date power supply device, float charger BAC2405 is specially designed for meet the
charging characteristics of the lead-acid engine starter batteries and can be used for long-term float
charging of 24V lead-acid batteries.
2 PERFORMANCE AND CHARACTERISTICS
─Switch power supply structure, wide input alternating voltage range, small size, light weight, high
efficiency rate;
─Automatic two-stage charging process (first constant current, then constant voltage) carried out
according to storage battery charging characteristics to prevent overcharging and significantly
prolong battery lifetime;
─Built-in current protective circuit for short-circuit protection and reverse connection protection;
─Charging voltage and current can be adjusted via potentiometer on the spot;
─Suitable for 24V storage battery and the rated current is 5A;
─LED display: Power indication and charging indication.
3 CHARGING PRINCIPLE
Charging is performed according to the battery charging characteristics using two-stage method.
Charging type is „constant current type‟ which means that when the battery terminal voltage falls below
the pre-set value, charging current will be constant; when the battery terminal voltage exceeds the
pre-set value, charging current will decrease with the rising of terminal voltage until the pre-set current
value is reached; then Chargers automatically return to float mode. As soon as charging current value
falls below 0.5A and the constant voltage value is reached, the battery is basically charged (charging
indicator will extinguish). After that charging current will only neutralize the battery self discharge. Even
long-term charging cannot harm the battery, as charger can keep the battery fully charged and so
guarantee long lifetime of the battery.
BAC2405 BATTERY CHARGER USER MANUAL
BAC2405 Battery Charger Version 1.1 2017-11-09 Page 5 of 7
4 SPECIFICATION
Items
Contents
Parameters
Input
Characteristics
Nominal AC Voltage
AC (100~240)V
Max. AC Voltage
AC (90~280)V
AC Frequency
50Hz/60Hz
Max. Active Power
164W
Max. Current
2.5A
Max. Efficiency
AC 110V
AC 220V
84%
87%
No-load Power
Consumption
<3W
Output
Characteristics
No-load Output Voltage
27.6V
(Error±1%)
Rated Charging Current
5A
(Error±2%)
Max. Output Power
135W
Insulating Property
Insulation Resistance
Between input and output, input and shell both are:
DC500V 1min RL≧500MΩ
Insulation Voltage
Between input and output, input and shell both are:
AC1500V 50Hz 1min;
leakage current: IL≦3.5mA
Working Condition
Working Temperature
(-30~+55)°C
Storage Temperature
(-40~+85)°C
Working Humidity
20%RH~93%RH ( No condensation)
Shape Structure
Weight
0.66kg
Dimension
143mm×96mm×55mm (length*width*height)
5 EFFICIENCY CURVE
BAC2405 BATTERY CHARGER USER MANUAL
BAC2405 Battery Charger Version 1.1 2017-11-09 Page 6 of 7
6 VOLTAGE/CURRENT REGULATION
6.1 VOLTAGE REGULATION
If adjust voltage on-site, battery need to be disconnected with battery charger, and then adjust the
voltage potentiometer (VOLT) to the appropriate value while measuring the charger output voltage.
6.2 CURRENT REGULATION
After connecting output port to the storage battery, measuring charging current under 25.0V charging
voltage, and then adjust the current potentiometer (AMP) to the appropriate value. Current also can be
estimated according to the scale of the current potentiometer.
7 OPERATION
7.1 MASK DESCRIPTION
─Connect terminals L and N to alternating voltage (100~240)V, using BVR 1mm2
multi-strand copper line.
─Connect B+ and B- to battery positive and negative using multi-strand BVR1.5mm2copper
wires.
─POWER: power supply indicator, illuminated when the charger is operating normally.
─CHARGING: charging indicator, illuminated when charging current exceeds 0.5A while
extinguished when charging current has fallen below 0.5A.
─VOLT: charging voltage regulator-potentiometer
─AMP: charging current regulator-potentiometer
─FUSE: output fuse; rated current: 10A. If connected in the wrong way, the fuse will be
burnt out and then voltage free. In this case connect cables correctly, replace the fuse and
the system will continue to operate normally.
NOTE:
1) Because there is diode and current-limiting circuit inner the charger, it can be used together with charging
generator, and there is no need to disconnect the charger when cranking
2) During genset is running, high current will cause voltage drop in charging line, so recommend separately
connecting to battery terminal to avoid disturbance on sampling precision.
BAC2405 BATTERY CHARGER USER MANUAL
BAC2405 Battery Charger Version 1.1 2017-11-09 Page 7 of 7
7.2 BAC2405 TROUBLESHOOTING
7.2.1 FAULT DIAGNOSIS
Output terminal of battery charger short circuit or battery reverse connection may blow the charger
output fuse. In that case, after connecting AC power supply, charger green LED lights up but output
terminal without voltage outputting, and then remove the output fuse tube to visually observe whether
fuse is blown or not, if condition permit, multimeter can be used to measure the fuse status.
a) If output terminal 10A fuse is blown, users only need to change the same capacity fuse.
b) If output fuse isn‟t blown or battery without outputting after changing the fuse, battery needs to depot
repair.
c) Fuse burn emergency method: using conductive metal wire short connected burnt fuse, and then
change the fuse later.
7.2.2 PROCEDURES OF CHANGING FUSE
a) Press hard on the slotted screwdriver, screw counter-clockwise and then take out the
fuse.( improper operation or over tightening may damage the block)
b) Put a new fuse into the block, press the slotted screwdriver and screw clockwise.
8 CASE DIMENSIONS
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