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$
18.24
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Condition: New
Location: Jamaica, United States
Over-Power Protection:Module will turn OFF output automatically if output power is more then 15W. It will display ‘OPP’. User need reduce load power and ... morethen press ‘ON/OFF’ button. Comfortable outer casing.
$
22.53
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Condition: New
Location: China
This module has perfect protection function and can be applied to solar charging. Note: Normally, the red light is off and the blue light is on. Otherwise, ... moreit is faulty. Short circuit protection: Yes.
$
14.12
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Condition: New
Location: China
Output power: under natural heat dissipation 80W. (2) Set the constant current value (overcurrent protection value); (For example, the set constant current ... morevalue is 3.00A, then the maximum current when you use the product can only reach 3A, and the LCD will display "CC" when the current reaches 3A Status, otherwise the LCD displays "CV" status).
$
65.87
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Condition: New
Location: China
Over-Power Protection:Module will turn OFF output automatically if output power is more then 15W. It will display ‘-OP-’. User need reduce load power ... moreand then press ‘ON/OFF’ button. Comfortable outer casing.
$
7.28
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Condition: New
Location: China
The CHAR indicator is the charging indicator. When charging,it is on.The FULL indicator is full.If the set constant current value is 2A,the charging When ... morethe current reaches 0.2A or less,turn on the lamp, the FULL lamp is on,and the CHAR lamp is off.
$
41.39
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Condition: New
Location: Beverly Hills, United States
Set the charging current (constant current value). This product has constant current function and can directly drive 0.6-36v LED lamp.
$
9.67
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Condition: Neu
Location: China
The CHAR indicator is the charging indicator. When charging,it is on.The FULL indicator is full.If the set constant current value is 2A,the charging When ... morethe current reaches 0.2A or less,turn on the lamp, the FULL lamp is on,and the CHAR lamp is off.
$
41.79
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Condition: New
Location: China
Support working status indicator. Support short circuit protection. With high quality acrylic shell. Support enabled/disabled output. LCD screen HD display. ... morePowerful cooling fan. Output Power:60W.
$
13.99
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Condition: New
Location: China
Output power: under natural heat dissipation 80W. Full of materials, stable performance and wide range of uses。. (2) Set the constant current value (overcurrent ... moreprotection value); (For example, the set constant current value is 3.00A, then the maximum current when you use the product can only reach 3A, and the LCD will display "CC" when the current reaches 3A Status, otherwise the LCD displays "CV" status).
$
12.01
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Condition: New
Location: China
Output power: 35W under natural heat dissipation, 50W in case of air cooling. If it is off, “---- ";. Press and hold the SET button to enter the setting ... moreinterface. After the OAH/OPH and OHP functions are enabled, the power will automatically turn off the output after the set value is reached.
$
16.35
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Condition: New
Location: China
Output power: natural heat dissipation 50W (less than 3.5A),enhanced heat dissipation 75W. heat dissipation (adjustable limit current is about 4.2-4.5A). ... moreconstant current drive,lithium battery charging and so on.
$
15.64
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Condition: New
Location: China
Output power: under natural heat dissipation 80W. Full of materials, stable performance and wide range of uses。. (2) Set the constant current value (overcurrent ... moreprotection value); (For example, the set constant current value is 3.00A, then the maximum current when you use the product can only reach 3A, and the LCD will display "CC" when the current reaches 3A Status, otherwise the LCD displays "CV" status).
$
28.57
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Condition: New
Location: Elkins Park, United States
★Three Input Power Modes: Input 1: Standard Type A USB Male. It just can input DC 5V. Input 2: Micro USB Female. Input 3: IN+ and IN- welding pads. It ... morecan input DC 4.0V-13.0V. When using the welding pad to input, be careful not to connect the reversed positive and negative poles, and do not connect to AC power.
$
10.99
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Condition: New
Location: China
Output power: natural heat dissipation 50W (less than 3.5A),enhanced heat dissipation 75W. The CHAR indicator is the charging indicator. When charging,it ... moreis on.The FULL indicator is full.If the set constant current value is 2A,the charging When the current reaches 0.2A or less,turn on the lamp, the FULL lamp is on,and the CHAR lamp is off.
$
29.09
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Condition: New
Location: China
Boost Step Down Converter only, other accessories demo in the picture is not included! Energy: 0-999999WH. After selecting all, the corresponding one ... morewill be displayed in reverse blue. Input Current Limit: Max.7A.
$
28.99
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Condition: New
Location: China
Boost Step Down Converter only, other accessories demo in the picture is not included! Input Current Limit: Max.7A. Energy: 0-999999WH. Output Power: ... more80W. Output Current: 0.000A-5.000A. After selecting all, the corresponding one will be displayed in reverse blue.
$
7.07
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Condition: New
Location: China
5A Step Down. The CHAR indicator is the charging indicator. When charging,it is on.The FULL indicator is full.If the set constant current value is 2A,the ... morecharging When the current reaches 0.2A or less,turn on the lamp, the FULL lamp is on,and the CHAR lamp is off.
$
6.12
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Condition: New
Location: China
Output power: natural heat dissipation 35W, enhanced heat dissipation 60W. The performance is better than the XL6009/LM2577 solution. The current can ... morebe set to limit the output current, constant current drive, battery charging and other occasions.
$
13.53
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Condition: Neu
Location: China
After setting to CC, the constant current value is adjusted by default. When driving the LED, the fast dimming can be achieved by rotating the code positioner, ... morewhich is very convenient! (2) Set the constant current value (overcurrent protection value); (For example, the set constant current value is 3.00A, then the maximum current when you use the product can only reach 3A, and the LCD will display "CC" when the current reaches 3A Status, otherwise the LCD displays "CV" status).
$
12.30
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Condition: New
Location: China
Over-Power Protection:Module will turn OFF output automatically if output power is more then 15W. It will display ‘OPP’. User need reduce load power and ... morethen press ‘ON/OFF’ button. Short press button ON/OFF or SELECT to trigger fast charging protocol.It will display OK and FC indicator turn ON if the triggering is successful.Otherwise display Err and FC indicator turn OFF.
$
12.91
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Condition: Neu
Location: China
Step down module. Step up module. Adapter Module. Display module. Wireless module. Module size: length 80mm width 53mm height 35mm. Breadboard Cable and ... morePrototype. GPRS Board.
$
12.37
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Condition: New
Location: China
The factory default output of the module is about 18V / 7A. Turn it clockwise to increase set current. When load current reaches the set current, it enters ... moreconstant current state, and CC indicator (red) is lit.
$
7.66
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Condition: Neu
Location: China
5A step-down module. Output power: natural heat dissipation 50W (less than 3.5A),enhanced heat dissipation 75W. Current display: resolution 0.005A,range ... more0-4.5A,accuracy ±0.05A (precision for those who require strict accuracy!).
$
12.20
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Condition: New
Location: China
(Output Power: 50W (50W need heat sink, 35W is for 3A). 1 x Heat Sink. 2) It is a DC power module,So it can not connect to AC power. 6) IN- and OUT- can ... morenot be connect together,otherwise module can not support constant current output.
$
7.53
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Condition: Neu
Location: China
5A step-down module. Current display: resolution 0.005A,range 0-4.5A,accuracy ±0.05A (precision for those who require strict accuracy!). Output power: ... morenatural heat dissipation 50W (less than 3.5A),enhanced heat dissipation 75W.
$
9.36
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Condition: Neu
Location: China
OLED LED&RGB. (2) set the constant current value (overcurrent protection value); (for example, if the constant current value is 3.00A, the maximum current ... morecan only reach 3A when you use the product, and when the current reaches 3A, the LCD will display "CC" status, otherwise the LCD will display "CV" status).
$
8.92
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$3.77 Shipping
Condition: Neu
Location: China
Output power: natural heat dissipation 50W (less than 3.5A),enhanced heat dissipation 75W. Current display: resolution 0.005A,range 0-4.5A,accuracy ±0.05A ... more(precision for those who require strict accuracy!).
$
13.28
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Condition: New
Location: China
The inductor uses iron silicon aluminum with less heating. Oxidation heat sink heat dissipation, the heat dissipation effect is better than that of natural ... morealuminum. Feature: 1. The whole version of the electrolysis adopts imported original patches, low resistance and high frequency capacitors, which reduces the ripple to the freezing point.
$
17.09
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Condition: New
Location: China
Capacity display: resolution 0.001Ah, range 99.99Ah (can be reset by long pressing the '-' key, it will be automatically saved after power-off, and automatically ... moreaccumulated after power-on. After reaching 99.99Ah, it is saturated and needs to be reset manually).
$
29.09
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$3.50 Shipping
Condition: New
Location: China
Boost Step Down Converter only, other accessories demo in the picture is not included! It also has night rest screen mode, suitable for any conditions. ... moreInput Current Limit: Max.7A. Output Power: 80W.
$
11.43
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$3.66 Shipping
Condition: New
Location: China
5A step-down module. 12A step-down module. The ON indicator is the output status indicator. The CHAR indicator is the charging indicator. When charging, ... moreit is on. The FULL indicator is full. If the set constant current value is 2A, the charging When the current reaches 0.2A or less, turn on the lamp, the FULL lamp is on, and the CHAR lamp is off.
$
32.99
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Condition: New
Location: China
Short press button ON/OFF or SELECT to trigger fast charging protocol.It will display OK and FC indicator turn ON if the triggering is successful.Otherwise ... moredisplay Err and FC indicator turn OFF. Four input power modes.
$
9.67
Buy It Now
$2.80 Shipping
Condition: Neu
Location: China
5A step-down module. Output power: natural heat dissipation 50W (less than 3.5A),enhanced heat dissipation 75W. Current display: resolution 0.005A,range ... more0-4.5A,accuracy ±0.05A (precision for those who require strict accuracy!).
$
13.00
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Free Shipping
Condition: New
Location: China
The inductor uses iron silicon aluminum with less heating. Oxidation heat sink heat dissipation, the heat dissipation effect is better than that of natural ... morealuminum. Feature: 1. The whole version of the electrolysis adopts imported original patches, low resistance and high frequency capacitors, which reduces the ripple to the freezing point.
$
8.86
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Condition: New
Location: Jamaica, United States
Item Description: Update content: 1.Fixed turn the lamp current to 0.1 times the value of the constant current(charge when used to identify whether the ... morebattery is full) 2. Increased input reverse polarity protection diode; 3. Increase the output of a backflow preventing diode to prevent when the electricity to charge the battery back in; 4. Using dedicated reference IC. And high-precision sampling resistor, so that the constant current is more stable, 20 degrees to 100 degrees, the constant current 1A, when the temperature drift of less than 1% Particularly suitable for LED driver High-power LED constant current drive Lithium battery charger(including ferroelectric) 4V. 6V, 12V, 14V, 24V battery charger Nickel cadmium. Nickel metal hydride battery pack charger Solar panels and wind turbines Specifications: Module Properties: non-isolated constant current and voltage module Rectification: non-synchronous rectification Input voltage: 7V-35V Output voltage: 1.25V-30V Output current: adjustable maximum 3A Conversion efficiency: 92% the highest) Switching frequency: 150KHz Output ripple: 50mV(max) 20M bandwidth Load Regulation: ± 0.5% Voltage Regulation: ± 2.5% Operating Temperature: 40 ℃ to +85 ℃ Size: 48* 23* 14(L* W* H) mm) Battery use: l Make sure of the voltage and current of the battery you need to charge l Adjust the constant voltage potentiometer to make the output voltage same to the charge voltage l Potentiometer Adjustment Direction: Clockwise(increase) Counterclockwise(decrease) Use the multimeter in 10A current scale to measure output short-circuit current. And adjust the current potentiometer to make sure the output current to the expected charging current value l The charge current of transfer lamp is default 0.1 times of the charging current(constant current value) l Connected to the battery and try to charging(for previous 5 steps. Module input terminal is connected to power source, output load is NOT connected to batteries) LED Constant Current Driver Use: l Make sure operating
$
16.77
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Condition: New
Location: Jamaica, United States
High-power charging, charging current≤10A. The circuit board does not have a lamp drive function. Solar or non-solar can be used;. The solar end is equipped ... morewith MOS tube anti-backflow function, no need to connect an external anti-backflow secondary tube;.
$
25.15
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Condition: New
Location: China
When a diode is not added, MOS tube will be burned. Release + Button, press the + Button to increase the number, press - Button to decrease. - Large heat ... moresink ensures excellent heat dissipation performance.
$
7.02
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$2.56 Shipping
Condition: Neu
Location: China
Current display: resolution 0.005A,range 0-4.5A,accuracy ±0.05A (precision for those who require strict accuracy!). Output power: natural heat dissipation ... more50W (less than 3.5A),enhanced heat dissipation 75W.
$
28.41
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$3.40 Shipping
Condition: New
Location: China
Boost Step Down Converter only, other accessories demo in the picture is not included! Input Current Limit: Max.7A. Energy: 0-999999WH. Output Power: ... more80W. Output Current: 0.000A-5.000A. After selecting all, the corresponding one will be displayed in reverse blue.
$
28.59
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$2.99 Shipping
Condition: New
Location: China
Current Display Range:0~5A. Output Power:75W(75W need heat sink;50W is for 3.5A). Support short circuit protection;. With high quality acrylic shell;. ... moreLCD screen HD display;. Support complete disability output;.
$
7.00
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Condition: Neu
Location: China
Output power: natural heat dissipation 50W (less than 3.5A),enhanced heat dissipation 75W. Current display: resolution 0.005A,range 0-4.5A,accuracy ±0.05A ... more(precision for those who require strict accuracy!).
$
10.00
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$5.00 Shipping
Condition: New
Location: China
Output power: natural heat dissipation 120W (within 8A), enhanced heat dissipation 160W. Wear display applications. Use as a normal buck module with overcurrent ... moreprotection. Current anti-backflow diode.
$
10.65
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$3.22 Shipping
Condition: Neu
Location: China
Output power: natural heat dissipation 50W (less than 3.5A),enhanced heat dissipation 75W. Current display: resolution 0.005A,range 0-4.5A,accuracy ±0.05A ... more(precision for those who require strict accuracy!).
$
1.69
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$3.00 Shipping
Condition: New
Location: China
Item Description: Update content: 1.Fixed turn the lamp current to 0.1 times the value of the constant current(charge when used to identify whether the ... morebattery is full) 2. Increased input reverse polarity protection diode; 3. Increase the output of a backflow preventing diode to prevent when the electricity to charge the battery back in; 4. Using dedicated reference IC. And high-precision sampling resistor, so that the constant current is more stable, 20 degrees to 100 degrees, the constant current 1A, when the temperature drift of less than 1% Particularly suitable for LED driver High-power LED constant current drive Lithium battery charger(including ferroelectric) 4V. 6V, 12V, 14V, 24V battery charger Nickel cadmium. Nickel metal hydride battery pack charger Solar panels and wind turbines Specifications: Module Properties: non-isolated constant current and voltage module Rectification: non-synchronous rectification Input voltage: 7V-35V Output voltage: 1.25V-30V Output current: adjustable maximum 3A Conversion efficiency: 92% the highest) Switching frequency: 150KHz Output ripple: 50mV(max) 20M bandwidth Load Regulation: ± 0.5% Voltage Regulation: ± 2.5% Operating Temperature: 40 ℃ to +85 ℃ Size: 48* 23* 14(L* W* H) mm) Battery use: l Make sure of the voltage and current of the battery you need to charge l Adjust the constant voltage potentiometer to make the output voltage same to the charge voltage l Potentiometer Adjustment Direction: Clockwise(increase) Counterclockwise(decrease) Use the multimeter in 10A current scale to measure output short-circuit current. And adjust the current potentiometer to make sure the output current to the expected charging current value l The charge current of transfer lamp is default 0.1 times of the charging current(constant current value) l Connected to the battery and try to charging(for previous 5 steps. Module input terminal is connected to power source, output load is NOT connected to batteries) LED Constant Current Driver Use: l Make sure operating
$
9.32
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$3.00 Shipping
Condition: New
Location: China
Rotate it clockwise to increase the set current. When the load current sets the current, it enters the constant current state and the CC constant current ... moreindicator light (red) lights up. The OUT indicator light is the output status indicator light.
$
7.38
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Condition: New
Location: China
Used for solar charging! The current can be set to limit the output current, constant current drive, battery charging and other occasions. It does not ... moreneed to be disconnected and reconnected. High power, high efficiency and better performance than the XL6009/LM2577 solution.
$
8.54
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$3.00 Shipping
Condition: New
Location: China
Output power: natural heat dissipation 50W (less than 3.5A),enhanced heat dissipation 75W. The CHAR indicator is the charging indicator. When charging,it ... moreis on.The FULL indicator is full.If the set constant current value is 2A,the charging When the current reaches 0.2A or less,turn on the lamp, the FULL lamp is on,and the CHAR lamp is off.
$
11.50
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$4.00 Shipping
Condition: New
Location: China
5A CNC Buck Converter Step Down Module with Crystal Shell 6.5-36V to 1.2-32V Unassembled ZK-J5X. The module is a DC to DC step-down module. When charging ... morebattery, make sure that the output of the module is powered on before connecting the battery.
$
21.20
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$2.80 Shipping
Condition: Neu
Location: China
Boost Step Down Converter only, other accessories demo in the picture is not included! Step down module. Step up module. Adapter Module. Display module. ... moreWireless module. 1 x Boost Step Down Converter.
$
8.55
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$3.00 Shipping
Condition: New
Location: China
Output power: natural heat dissipation 50W (less than 3.5A),enhanced heat dissipation 75W. The CHAR indicator is the charging indicator. When charging,it ... moreis on.The FULL indicator is full.If the set constant current value is 2A,the charging When the current reaches 0.2A or less,turn on the lamp, the FULL lamp is on,and the CHAR lamp is off.
$
1.78
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$2.56 Shipping
Condition: Neu
Location: China
Item Description: Update content: 1.Fixed turn the lamp current to 0.1 times the value of the constant current(charge when used to identify whether the ... morebattery is full) 2. Increased input reverse polarity protection diode; 3. Increase the output of a backflow preventing diode to prevent when the electricity to charge the battery back in; 4. Using dedicated reference IC. And high-precision sampling resistor, so that the constant current is more stable, 20 degrees to 100 degrees, the constant current 1A, when the temperature drift of less than 1% Particularly suitable for LED driver High-power LED constant current drive Lithium battery charger(including ferroelectric) 4V. 6V, 12V, 14V, 24V battery charger Nickel cadmium. Nickel metal hydride battery pack charger Solar panels and wind turbines Specifications: Module Properties: non-isolated constant current and voltage module Rectification: non-synchronous rectification Input voltage: 7V-35V Output voltage: 1.25V-30V Output current: adjustable maximum 3A Conversion efficiency: 92% the highest) Switching frequency: 150KHz Output ripple: 50mV(max) 20M bandwidth Load Regulation: ± 0.5% Voltage Regulation: ± 2.5% Operating Temperature: 40 ℃ to +85 ℃ Size: 48* 23* 14(L* W* H) mm) Battery use: l Make sure of the voltage and current of the battery you need to charge l Adjust the constant voltage potentiometer to make the output voltage same to the charge voltage l Potentiometer Adjustment Direction: Clockwise(increase) Counterclockwise(decrease) Use the multimeter in 10A current scale to measure output short-circuit current. And adjust the current potentiometer to make sure the output current to the expected charging current value l The charge current of transfer lamp is default 0.1 times of the charging current(constant current value) l Connected to the battery and try to charging(for previous 5 steps. Module input terminal is connected to power source, output load is NOT connected to batteries) LED Constant Current Driver Use: l Make sure operating
$
11.38
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$2.99 Shipping
Condition: New
Location: China
Output power: natural heat dissipation 50W (less than 3.5A),enhanced heat dissipation 75W. 5A Step Down. The CHAR indicator is the charging indicator. ... moreWhen charging,it is on.The FULL indicator is full.If the set constant current value is 2A,the charging When the current reaches 0.2A or less,turn on the lamp, the FULL lamp is on,and the CHAR lamp is off.
$
7.97
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$3.66 Shipping
Condition: New
Location: China
Output power: 35W under natural heat dissipation, 50W under air cooling. When CC is set, constant current value will be adjusted by default. When LED ... moreis driven, fast dimming can be realized by pressing UP/DOWN key, which is very convenient!
$
1.87
Buy It Now
$3.00 Shipping
Condition: New
Location: China
Item Description: Update content: 1.Fixed turn the lamp current to 0.1 times the value of the constant current(charge when used to identify whether the ... morebattery is full) 2. Increased input reverse polarity protection diode; 3. Increase the output of a backflow preventing diode to prevent when the electricity to charge the battery back in; 4. Using dedicated reference IC. And high-precision sampling resistor, so that the constant current is more stable, 20 degrees to 100 degrees, the constant current 1A, when the temperature drift of less than 1% Particularly suitable for LED driver High-power LED constant current drive Lithium battery charger(including ferroelectric) 4V. 6V, 12V, 14V, 24V battery charger Nickel cadmium. Nickel metal hydride battery pack charger Solar panels and wind turbines Specifications: Module Properties: non-isolated constant current and voltage module Rectification: non-synchronous rectification Input voltage: 7V-35V Output voltage: 1.25V-30V Output current: adjustable maximum 3A Conversion efficiency: 92% the highest) Switching frequency: 150KHz Output ripple: 50mV(max) 20M bandwidth Load Regulation: ± 0.5% Voltage Regulation: ± 2.5% Operating Temperature: 40 ℃ to +85 ℃ Size: 48* 23* 14(L* W* H) mm) Battery use: l Make sure of the voltage and current of the battery you need to charge l Adjust the constant voltage potentiometer to make the output voltage same to the charge voltage l Potentiometer Adjustment Direction: Clockwise(increase) Counterclockwise(decrease) Use the multimeter in 10A current scale to measure output short-circuit current. And adjust the current potentiometer to make sure the output current to the expected charging current value l The charge current of transfer lamp is default 0.1 times of the charging current(constant current value) l Connected to the battery and try to charging(for previous 5 steps. Module input terminal is connected to power source, output load is NOT connected to batteries) LED Constant Current Driver Use: l Make sure operating
$
8.52
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$3.00 Shipping
Condition: New
Location: China
The CHAR indicator is the charging indicator. When charging,it is on.The FULL indicator is full.If the set constant current value is 2A,the charging When ... morethe current reaches 0.2A or less,turn on the lamp, the FULL lamp is on,and the CHAR lamp is off.
$
6.09
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$2.99 Shipping
Condition: New
Location: China
Output power: 35W natural heat dissipation, heat dissipation 50W. With a heat sink, the transmitter module supports the isolation column. When using this ... moremodule, the maximum current can only reach 2A.
$
6.05
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Condition: Neu
Location: China
Nano Sheild. 3.4 lighting styles, flashing, always bright and flashing. The circuit board does not have a lamp drive function. High-power charging, charging ... morecurrent≤10A. Solar or non-solar can be used;.
$
8.37
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$3.66 Shipping
Condition: New
Location: China
5A step-down module. 12A step-down module. The ON indicator is the output status indicator. The CHAR indicator is the charging indicator. When charging, ... moreit is on. The FULL indicator is full. If the set constant current value is 2A, the charging When the current reaches 0.2A or less, turn on the lamp, the FULL lamp is on, and the CHAR lamp is off.
$
6.06
Buy It Now
$2.99 Shipping
Condition: New
Location: China
Output power: natural heat dissipation 35W, enhanced heat dissipation 60W. The performance is better than the XL6009/LM2577 solution. The current can ... morebe set to limit the output current, constant current drive, battery charging and other occasions.
$
10.89
Buy It Now
$2.99 Shipping
Condition: New
Location: China
Output power: 35W under natural heat dissipation, 50W in case of air cooling. If it is off, “---- ";. (For example, if the current value displayed by ... morethe product is 3.000A, then the maximum current can only be 3A when you use the product, and the LCD will display the “CC” status when the current reaches 3A, otherwise the liquid crystal displays “CV” status).
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