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$3.40 Shipping Condition: New Location: China Using dedicated reference IC, and high-precision sampling resistor, so that the constant current is more stable, (20 degrees to 100 degrees, the constant ... morecurrent 1A, when the temperature drift of less than 1%).
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Free Shipping Condition: New Location: China 24-75V to 21V. 55-75V to 48V. 10x 15mm/27mm/35mm For Buzzer Pressure Wire Copper Piezo Sounder Sensor Speaker. 28-75V to 24V. 12-75V to 5V. 14-75V to ... more12V. Efficiency: 95% maximum (the lower the pressure difference, the higher the efficiency).
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$2.99 Shipping 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.
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$2.00 Shipping Condition: New Location: China Current: 25A (MAX). Output: 2-5-50V adjustable. Efficiency: 95% maximum (the lower the pressure difference, the higher the efficiency). Input: 12-75V. ... moreDelicate and compact appearance. OUT+: output positive.
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$2.99 Shipping Condition: New Location: China No inductive howling in constant current mode. Increase heat dissipation and copper. The performance is better than the XL6009/LM2577 solution. can set ... morethe current size to limit the output current, constant current drive, battery charging and other occasions.
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$3.50 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.
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$2.99 Shipping Condition: New Location: China No inductive howling in constant current mode. Increase heat dissipation and copper. The performance is better than the XL6009/LM2577 solution. can set ... morethe current size to limit the output current, constant current drive, battery charging and other occasions.
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$3.22 Shipping Condition: Neu Location: China Support charging mode. 4-Bit digital tube display. Support anti-backflow protection. Current Display Precision:+/-0.05A. Output Power:15W(Max). CC LED:Red ... moreConstant current output indicator.It enters the constant current state when the load current reaches the set current and CC constant current indicator turns ON.
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$3.22 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.
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$2.57 Shipping Condition: Neu Location: China Boost Step Down Converter only, other accessories demo in the picture is not included! Connect the battery for charging. 1 x Boost Step Down Converter. ... moreInput Current Limit: Max.7A. Connect led and test the machine.
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$3.20 Shipping 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.
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$3.00 Shipping 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.
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$3.20 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.
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$3.66 Shipping Condition: New Location: China 5A step-down module. The ON indicator is the output status indicator. The CHAR indicator is the charging indicator. When charging, it is on. The FULL ... moreindicator 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.
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$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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$2.99 Shipping 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).
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$2.99 Shipping Condition: New Location: China Wide Input DC-DC buck-boost automatic adjustable constant voltage current power supply module charger Constant voltage constant current description The ... morefigure is a schematic diagram. The actual circuit with transistors Q instead of the switch S. Q transistor controlled by the chip to its switching state. The switching times per second(the oscillation frequency) between 0-500000(500K) times the oscillation frequency can be raised to accelerate the voltage control transistor Q chip through oscillation to stabilize the output frequency voltage(constant voltage) According to the formula I = U/ R(current = voltage ÷ resistance) The output voltage of the chip can be stabilized by adjusting the output current(constant current) When the load resistance R changes according to the formula R = U/ I know. Constant current constant voltage is not present, is a violation of science. Therefore. Constant voltage constant current means: constant voltage or constant current between choose one. Power Description Line heating formula P = I ^ 2* R(= square of current heat resistance* The line resistance is fixed, and only the heating current on the line, the line is the maximum current capability 5A. Power formula is P = UI(power = voltage* current) Input 12V, maximum input power is 12V* 5A = 120W. When you enter 60V. Maximum input power is 60V* 5A = 300W. Parameter Input voltage: DC 10-60V Output voltage: DC 10-80V Input Current: 5A The following restrictions are not adjustable. Adjustable output current:1-5A Output current: Input voltage Input current × ÷ output voltage ×(conversion efficiency of 92-98% =? Input power: up to 60V* 5A = 300W Output power: slightly lower than the input power Conversion principle: voltage × current = voltage × current. For example: 24V × 6A = 48V × 3A, pay attention! The actual conversion efficiency of less than 100% 86-92% conversion efficiency Stepping regulator: 0.1V Caution! When the output power of 150W or more. Long-term use, you must install the cooling fa
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$2.80 Shipping Condition: Neu Location: China 5V to 0.5-30V USB Step Up Down. DC 5V to 1V 12V 24V USB Step Up Down. Simple and efficient, practical. OLED LED&RGB. It just can input DC 5V. Input 20V-24V,output ... morepower with in 2.5W. CC LED: Red Constant current output indicator.
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$3.80 Shipping Condition: New Location: China Output power: 35W under natural heat dissipation, 50W under air cooling. Set the maximum capacity (OAH) / energy (OPH): when the OAH / OPH function is ... morestarted, when the statistical capacity / energy is higher than the set maximum capacity / energy, the power automatically turns off the output and flashes "OAH" / "OPH"; after the alarm is released, the capacity / energy statistical data will be automatically cleared;.
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$2.57 Shipping Condition: Neu Location: China Boost Step Down Converter only, other accessories demo in the picture is not included! Connect the battery for charging. 1 x Boost Step Down Converter. ... moreInput Current Limit: Max.7A. Connect led and test the machine.
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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.
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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;.
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$2.99 Shipping Condition: New Location: China Wide Input DC-DC buck-boost automatic adjustable constant voltage current power supply module charger Constant voltage constant current description The ... morefigure is a schematic diagram. The actual circuit with transistors Q instead of the switch S. Q transistor controlled by the chip to its switching state. The switching times per second(the oscillation frequency) between 0-500000(500K) times the oscillation frequency can be raised to accelerate the voltage control transistor Q chip through oscillation to stabilize the output frequency voltage(constant voltage) According to the formula I = U/ R(current = voltage ÷ resistance) The output voltage of the chip can be stabilized by adjusting the output current(constant current) When the load resistance R changes according to the formula R = U/ I know. Constant current constant voltage is not present, is a violation of science. Therefore. Constant voltage constant current means: constant voltage or constant current between choose one. Power Description Line heating formula P = I ^ 2* R(= square of current heat resistance* The line resistance is fixed, and only the heating current on the line, the line is the maximum current capability 5A. Power formula is P = UI(power = voltage* current) Input 12V, maximum input power is 12V* 5A = 120W. When you enter 60V. Maximum input power is 60V* 5A = 300W. Parameter Input voltage: DC 10-60V Output voltage: DC 10-80V Input Current: 5A The following restrictions are not adjustable. Adjustable output current:1-5A Output current: Input voltage Input current × ÷ output voltage ×(conversion efficiency of 92-98% =? Input power: up to 60V* 5A = 300W Output power: slightly lower than the input power Conversion principle: voltage × current = voltage × current. For example: 24V × 6A = 48V × 3A, pay attention! The actual conversion efficiency of less than 100% 86-92% conversion efficiency Stepping regulator: 0.1V Caution! When the output power of 150W or more. Long-term use, you must install the cooling fa
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Free Shipping Condition: New Location: United States 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.
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Free Shipping Condition: New Location: Walnut, United States Electric Rivet Nut Gun Adapter Insert Cordless Riveting Power Drill Tool Kit. Output power: Natural heat dissipation 50W (within 3.5A), plus fan to enhance ... moreheat dissipation 75W. Rotate clockwise to increase the set current.
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$3.50 Shipping 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. Comfortable outer casing.
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$2.80 Shipping Condition: Neu Location: China Output Power:15W(Max). Over-Power Protection:Module will turn OFF output automatically if output power is more then 15W. It will display ‘OPP’. User need ... morereduce load power and then press ‘ON/OFF’ button.
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$2.80 Shipping Condition: Neu Location: China ESP8266 ESP-01S. 100 LED Solar. Boost Step Down Converter only, other accessories demo in the picture is not included! FT232RL USB. 1 x Boost Step Down ... moreConverter. After selecting all, the corresponding one will be displayed in reverse blue.
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$5.00 Shipping Condition: New Location: China UTA0401 CAN & LIN Analyser w/ Plastic Shell USB To LIN CAN PWM K Support DBC LDF Protocol Analysis. - Use powerful software for TCANLINPro, support unlimited ... moreLIN data monitoring and recording, data playback, data filtering, data update display, list mode to send and receive data, data waveform display, support for data analysis and data sending and receiving through LDF files;.
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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;.
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$2.99 Shipping 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.
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Free Shipping Condition: New Location: China Comfortable outer casing. Over-Power Protection:Module will turn OFF output automatically if output power is more then 15W. It will display ‘-OP-’. User ... moreneed reduce load power and then press ‘ON/OFF’ button.
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$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.
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Free Shipping Condition: New Location: Miami, 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.
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$3.50 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.
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$2.80 Shipping Condition: Neu Location: China 3.4 lighting styles, flashing, always bright and flashing. Solar or non-solar can be used;. High-power charging, charging current≤10A. The solar end is ... moreequipped with MOS tube anti-backflow function, no need to connect an external anti-backflow secondary tube;.
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$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.
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$3.50 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.
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Free Shipping Condition: New Location: China Output anti backflow: yes. Output power: 80W. Output current: 0~5.0A. Current accuracy: +/-0.5% + 3 words. Current resolution: 0.001A. Output overcurrent ... moreprotection: 0~5.2A adjustable, default 5.2A. USB power boost line DC 5V to DC 9V / 12V Step UP Module Converter Adapter Cable.
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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.
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$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.
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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.
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$2.80 Shipping Condition: Neu Location: China 5V to 0.5-30V USB Step Up Down. Step down module. Step up module. Adapter Module. Display module. Input 20V-24V,output power with in 2.5W. Wireless module. ... moreModule Highlights.
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$2.00 Shipping Condition: New Location: China 3: Connect to the solar panel. The fuse of the 2A version will burn out permanently at 4-5A. S+ S- connect to solar panel. The 0.5A version of the fuse ... morewill automatically protect at 0.6-0.7A, and it will automatically recover after the current decreases.
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$2.80 Shipping Condition: Neu 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. Output Power:15W(Max).
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$2.57 Shipping Condition: Neu Location: China Boost Step Down Converter only, other accessories demo in the picture is not included! Connect the battery for charging. Input Current Limit: Max.7A. ... more1 x Boost Step Down Converter. Connect led and test the machine.
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Free Shipping 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.
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$2.80 Shipping Condition: Neu Location: China Output current: maximum 5A (less than 90W), output higher than 5A or 90W, automatic protection. 1PC DC-DC 5A CNC Step-down Module. The CHAR indicator ... moreis the charging indicator. When 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.
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$3.20 Shipping 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. Comfortable outer casing.
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$3.22 Shipping Condition: Neu Location: China Output Power:15W(Max). Over-Power Protection:Module will turn OFF output automatically if output power is more then 15W. It will display ‘OPP’. User need ... morereduce load power and then press ‘ON/OFF’ button.
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$3.22 Shipping Condition: Neu Location: China 4A NC Lifting and Adjustable Power Module. Enhanced cooling 50W. dissipation up to 4A. Normal cooling 3A. Input anti-reverse connection, reverse connection ... morewill not burn out; output anti-backflow, no need to add anti-backflow diode when charging the battery.
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$2.99 Shipping Condition: New Location: China The performance is better than the XL6009/LM2577 solution. The current can be set to limit the output current, constant current drive, battery charging ... moreand other occasions. It has its own output anti-backflow function, so you don't need to add anti-backflow diode when charging the battery.
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$2.99 Shipping 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.
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$2.99 Shipping 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).
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Free Shipping 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.
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$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.
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$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.
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$2.99 Shipping Condition: New Location: China No inductive howling in constant current mode. Increase heat dissipation and copper. The performance is better than the XL6009/LM2577 solution. can set ... morethe current size to limit the output current, constant current drive, battery charging and other occasions.
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$2.99 Shipping 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.
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$2.99 Shipping 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.
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