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    Power Regulators & Converters

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    • Semiconductors & Actives
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    Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by Current Conversion

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    Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Best Selling

    • JacobsParts Mini360 DC Voltage Step Down Power Converter Buck Module - Set of 10
      JacobsParts Mini360 DC Voltage Step Down Power Converter Buck Module - Set of 10
      4.3 out of 5 stars
      (52)Total Ratings 52,
      $4.95 New
    • 60w DC Buck Boost Voltage Converter Constant Current Module Step Power up / Down
      60w DC Buck Boost Voltage Converter Constant Current Module Step Power up / Down
      4 out of 5 stars
      (16)Total Ratings 16,
      $4.95 New
    • Pcs 5v Micro USB 1a 18650 Lithium Battery Charging Board Charger Module
      Pcs 5v Micro USB 1a 18650 Lithium Battery Charging Board Charger Module
      4.9 out of 5 stars
      (34)Total Ratings 34,
      $2.30 New
    • 1pcs Power Supply Module Lambda Ph75s280-24 100 Quality Assurance
      1pcs Power Supply Module Lambda Ph75s280-24 100 Quality Assurance
      $43.71 New
    • Castle Creations CCBEC 10A 25V Input SBEC Voltage Regulator (010-0004-00)
      Castle Creations CCBEC 10A 25V Input SBEC Voltage Regulator (010-0004-00)
      4.9 out of 5 stars
      (111)Total Ratings 111,
      $25.07 New
      $20.99 Used
    • JacobsParts FP5139 100w Dc-dc Boost Step-up Voltage Converter Module Adjustable
      JacobsParts FP5139 100w Dc-dc Boost Step-up Voltage Converter Module Adjustable
      4.9 out of 5 stars
      (13)Total Ratings 13,
      $6.95 New
    • Nippon America 1800W AC Voltage Protector for Brownout Surge Refrigerator - 2 Pack
      Nippon America 1800W AC Voltage Protector for Brownout Surge Refrigerator - 2 Pack
      5 out of 5 stars
      (40)Total Ratings 40,
      $24.95 New
    • Automatic Voltage Regulator AVR R449 for Leroy Somer Generator
      Automatic Voltage Regulator AVR R449 for Leroy Somer Generator
      4.7 out of 5 stars
      (6)Total Ratings 6,
      $59.99 New
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    List View

    1-48 of 81,174 Results

    • FP5139 100W DC Boost Step-up Adjustable Voltage Power Converter LED Voltmeter

      FP5139 100W DC Boost Step-up Adjustable Voltage Power Converter LED Voltmeter

      5 out of 5 stars
      (15)15 product ratings - FP5139 100W DC Boost Step-up Adjustable Voltage Power Converter LED Voltmeter
      $6.95
      Free shipping
    • Buck Step-down LM2596 Power Converter Module DC 4.0~40 to 1.3-37V LED Voltmeter

      Buck Step-down LM2596 Power Converter Module DC 4.0~40 to 1.3-37V LED Voltmeter

      $5.49
      Free shipping
    • XL4015 5A DC Buck Step-down Adjustable Voltage Power Converter w/ LED Voltmeter

      XL4015 5A DC Buck Step-down Adjustable Voltage Power Converter w/ LED Voltmeter

      $5.95
      Free shipping
    • 20A300W Step Down Buck-Boost Power Adjustable Charger Board DC-DC Converter Tool

      20A300W Step Down Buck-Boost Power Adjustable Charger Board DC-DC Converter Tool

      $9.59
      Free shipping
    • 1x 10x LM2596S DC-DC 3A Buck Adjustable Step-down Power Supply Converter Module

      1x 10x LM2596S DC-DC 3A Buck Adjustable Step-down Power Supply Converter Module

      $3.75 to $12.95
      Free shipping
      130 sold
    • 3PCS DC-DC 2A Adjustable Step Up Boost Power Supply Converter Module N108

      3PCS DC-DC 2A Adjustable Step Up Boost Power Supply Converter Module N108

      $4.95
      Free shipping
    • 10pcs 5V Micro USB 1A 18650 Lithium Battery Charging Board Charger Module TP4056

      10pcs 5V Micro USB 1A 18650 Lithium Battery Charging Board Charger Module TP4056

      $4.95
      Free shipping
      1,588 sold
    • XY-L30A DC 6-60v 30A Lithium Battery Charging Control Module LCD Display Charger

      XY-L30A DC 6-60v 30A Lithium Battery Charging Control Module LCD Display Charger

      $10.10
      Was: $10.63
      $4.00 shipping
    • 60W DC Buck Boost Voltage Converter Constant Current Module Step Power Up / Down

      60W DC Buck Boost Voltage Converter Constant Current Module Step Power Up / Down

      4 out of 5 stars
      (16)16 product ratings - 60W DC Buck Boost Voltage Converter Constant Current Module Step Power Up / Down
      $4.95
      Free shipping
    • New 10PCS Mini360 3A DC Voltage Step Down Power Converter Buck Module 5V 9V 12V

      New 10PCS Mini360 3A DC Voltage Step Down Power Converter Buck Module 5V 9V 12V

      4.5 out of 5 stars
      (53)53 product ratings - New 10PCS Mini360 3A DC Voltage Step Down Power Converter Buck Module 5V 9V 12V
      $4.95
      Free shipping
    • 5pcs DC-DC Micro-USB Step Up Boost Module 2-24V IN 5-28V Output Power Converter

      5pcs DC-DC Micro-USB Step Up Boost Module 2-24V IN 5-28V Output Power Converter

      $5.99
      Free shipping
    • 4S 100A 14.4v LiFePO4 BMS LED Heatsink Battery Balance Board LiFe LFP 4 Cell 12v

      4S 100A 14.4v LiFePO4 BMS LED Heatsink Battery Balance Board LiFe LFP 4 Cell 12v

      $19.89
      Free shipping
      144 sold
    • XL4015 5A DC Buck Step Down Power Converter Voltage Current & LED Voltmeter USB

      XL4015 5A DC Buck Step Down Power Converter Voltage Current & LED Voltmeter USB

      $6.95
      Free shipping
    • 12V To 5V 3A 15W DC-DC Step Down Converter DC Power Supply Module Waterproof US

      12V To 5V 3A 15W DC-DC Step Down Converter DC Power Supply Module Waterproof US

      $6.39
      Free shipping
      or Best Offer
    • DC-DC Converter Module 12V To 5V Duble USB Output Power Adapter 3A 15W

      DC-DC Converter Module 12V To 5V Duble USB Output Power Adapter 3A 15W

      $6.13
      Free shipping
      1,842 sold
    • 10pcs TP4056 5V 1A Micro USB Lithium Battery Charging Board Charger Module

      10pcs TP4056 5V 1A Micro USB Lithium Battery Charging Board Charger Module

      $4.95
      Free shipping
    • 2pcs XL4015 5A DC Buck Step Down Voltage Converter Constant Current Power Module

      2pcs XL4015 5A DC Buck Step Down Voltage Converter Constant Current Power Module

      4.5 out of 5 stars
      (11)11 product ratings - 2pcs XL4015 5A DC Buck Step Down Voltage Converter Constant Current Power Module
      $5.95
      Free shipping
    • 2pcs TP4056 5V 1A Micro USB 18650 Lithium Battery Charging and Protection Board

      2pcs TP4056 5V 1A Micro USB 18650 Lithium Battery Charging and Protection Board

      5 out of 5 stars
      (34)34 product ratings - 2pcs TP4056 5V 1A Micro USB 18650 Lithium Battery Charging and Protection Board
      $2.30
      Free shipping
      1,079 sold
    • 5pcs XL4015 5A DC Buck Step Down Voltage Converter Constant Current Power Module

      5pcs XL4015 5A DC Buck Step Down Voltage Converter Constant Current Power Module

      4.5 out of 5 stars
      (7)7 product ratings - 5pcs XL4015 5A DC Buck Step Down Voltage Converter Constant Current Power Module
      $11.95
      Free shipping
    • 5pcs 5V 1A Micro USB 18650 Lithium Battery TP4056 Charging Board Charger Module

      5pcs 5V 1A Micro USB 18650 Lithium Battery TP4056 Charging Board Charger Module

      $4.49
      Free shipping
    • LM2596S DC-DC 3A Buck Adjustable Step-down Power Supply Converter Module Arduino

      LM2596S DC-DC 3A Buck Adjustable Step-down Power Supply Converter Module Arduino

      $3.75
      Free shipping
    • DC-DC CC CV Buck Converter Step-down Power Module 5-40V to 1.2-35V 20A 300W

      DC-DC CC CV Buck Converter Step-down Power Module 5-40V to 1.2-35V 20A 300W

      $9.59
      Free shipping
    • 3S 4S 5S 25A 18650 Lithium Battery BMS Board Circuit Charging Module Charger DIY

      3S 4S 5S 25A 18650 Lithium Battery BMS Board Circuit Charging Module Charger DIY

      $5.75 to $11.99
      Free shipping
      2 watching
    • 2pcs TP4056 5V 1A USB Type-C 18650 Lithium Battery Charging and Protection Board

      2pcs TP4056 5V 1A USB Type-C 18650 Lithium Battery Charging and Protection Board

      $3.49
      Free shipping
      460 sold
    • LR03 AAA Battery Eliminator USB Power Supply Cable Replace 1 to 4pcs AAA Battery

      LR03 AAA Battery Eliminator USB Power Supply Cable Replace 1 to 4pcs AAA Battery

      $3.57 to $4.83
      Free shipping
      53 sold
    • NEW Voltage Protector Brownout Surge Refrigerator 1800 Watts Appliance

      NEW Voltage Protector Brownout Surge Refrigerator 1800 Watts Appliance

      5 out of 5 stars
      (31)31 product ratings - NEW Voltage Protector Brownout Surge Refrigerator 1800 Watts Appliance
      $13.95
      Free shipping
      836 sold
    • 2PCS DC-DC 2A Adjustable Step Up Boost Power Supply Converter Module

      2PCS DC-DC 2A Adjustable Step Up Boost Power Supply Converter Module

      $3.95
      Free shipping
    • 1500W 30A DC-DC Boost Converter 10-60V to 12V-90V Step Up Power Supply Module US

      1500W 30A DC-DC Boost Converter 10-60V to 12V-90V Step Up Power Supply Module US

      $22.55
      Was: $23.99
      $1.50 shipping
    • DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module NEW

      DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module NEW

      $18.35
      Free shipping
      23 sold
    • Power Converter Regulator DC 36V 48V Step-Down to DC 12V 120W 10A Waterproof

      Power Converter Regulator DC 36V 48V Step-Down to DC 12V 120W 10A Waterproof

      $14.79
      Free shipping
      or Best Offer
    • LTC3780 130W DC Synchronous Buck Boost Step Up Down Voltage & Current Regulator

      LTC3780 130W DC Synchronous Buck Boost Step Up Down Voltage & Current Regulator

      3.5 out of 5 stars
      (10)10 product ratings - LTC3780 130W DC Synchronous Buck Boost Step Up Down Voltage & Current Regulator
      $16.95
      Free shipping
    • 10pcs TP4056 5V 1A USB Type-C USB-C Lithium Battery Charging & Protection Board

      10pcs TP4056 5V 1A USB Type-C USB-C Lithium Battery Charging & Protection Board

      $9.95
      Free shipping
    • 400W DC-DC Step Up Boost Buck Voltage Converter Power Supply Module 15A

      400W DC-DC Step Up Boost Buck Voltage Converter Power Supply Module 15A

      $12.00
      Was: $12.63
      $4.00 shipping
    • XL6009 Boost Buck Module DC-DC adjustable step up Voltage Converter Power Supply

      XL6009 Boost Buck Module DC-DC adjustable step up Voltage Converter Power Supply

      $2.50
      Was: $2.63
      $4.00 shipping
    • XH-M609 DC6-60V Battery Low Voltage Disconnect Protect Undervoltage Module L8

      XH-M609 DC6-60V Battery Low Voltage Disconnect Protect Undervoltage Module L8

      $8.99
      Was: $18.35
      Free shipping
      or Best Offer
    • DC-DC Converter 20A300W Step Down Buck-Boost Power Adjustable Charger Board Tool

      DC-DC Converter 20A300W Step Down Buck-Boost Power Adjustable Charger Board Tool

      $9.98
      Free shipping
    • GOLF CART DC BUCK CONVERTER 20 AMP 48V 36V VOLT VOLTAGE REDUCER REGULATOR TO 12V

      GOLF CART DC BUCK CONVERTER 20 AMP 48V 36V VOLT VOLTAGE REDUCER REGULATOR TO 12V

      $16.73
      Was: $17.99
      Free shipping
      or Best Offer
    • XY-L10A  Lithium Battery Charge Controller Protection Board 6-60V LCD Display US

      XY-L10A Lithium Battery Charge Controller Protection Board 6-60V LCD Display US

      $8.20
      Was: $8.63
      $4.00 shipping
    • 5V USB 1S 3.7V Lipo Lithium Li-ion 18650 Battery Charging Board Charger Module

      5V USB 1S 3.7V Lipo Lithium Li-ion 18650 Battery Charging Board Charger Module

      $0.99 to $3.95
      $2.75 shipping
      113 sold
    • 4S 40A BMS 12v - 16v Heatsink Kit Li-ion Lithium Battery Charger Balance

      4S 40A BMS 12v - 16v Heatsink Kit Li-ion Lithium Battery Charger Balance

      $8.99 to $9.99
      Free shipping
      68 sold
    • 2pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12V

      2pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12V

      $0.99
      Free shipping
    • 4S 100A 14.8V 16.8V Li-ion LiPo Lithium BMS LED Heatsink Battery Balance Board

      4S 100A 14.8V 16.8V Li-ion LiPo Lithium BMS LED Heatsink Battery Balance Board

      $19.99
      Free shipping
      25 sold
    • 10x Battery holder, cr2032 or 20mm cell Holder PCB mount USA

      10x Battery holder, cr2032 or 20mm cell Holder PCB mount USA

      $1.99
      $3.50 shipping
      428 sold
    • DC DC Buck Boost Converter Adjustable CC CV Step Up Down Power Supply Module

      DC DC Buck Boost Converter Adjustable CC CV Step Up Down Power Supply Module

      $16.19
      $0.29 shipping
    • 30A 14.8V 4S Li-ion Lithium 18650 Battery BMS PCB Protection Board Cell Balance

      30A 14.8V 4S Li-ion Lithium 18650 Battery BMS PCB Protection Board Cell Balance

      $2.98
      $3.00 shipping
      or Best Offer
      804 sold
    • 12V/24V 6-60V Battery Charging Control Board Charger Power Supply Switch Module.

      12V/24V 6-60V Battery Charging Control Board Charger Power Supply Switch Module.

      $7.81 to $11.91
      Was: $12.54
      Free shipping
    • 3S 25A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board-Balance 12V

      3S 25A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board-Balance 12V

      $5.67 to $13.89
      Free shipping
      11 sold
    • induction heater. with power supply.

      induction heater. with power supply.

      $55.00
      0 bids
      $8.00 shipping
      Ending Jan 26 at 5:15PM PST6d 20h
      or Buy It Now

    Results Pagination - Page 1

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    10. 10

    Top Rated

    See All - Top Rated

    Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Top Rated

    • Miavolt SK0002 Electronic Voltage Surge Protector
      Miavolt SK0002 Electronic Voltage Surge Protector
      4.9 out of 5 stars
      (341)Total Ratings 341,
      98% agree - Would recommend
      $12.99 New
    • Castle Creations CCBEC 10A 25V Input SBEC Voltage Regulator (010-0004-00)
      Castle Creations CCBEC 10A 25V Input SBEC Voltage Regulator (010-0004-00)
      4.9 out of 5 stars
      (111)Total Ratings 111,
      100% agree - Would recommend
      $25.07 New
      $20.99 Used
    • Nippon America 1800W AC Voltage Protector for Brownout Surge Refrigerator - 2 Pack
      Nippon America 1800W AC Voltage Protector for Brownout Surge Refrigerator - 2 Pack
      5 out of 5 stars
      (41)Total Ratings 41,
      100% agree - Would recommend
      $24.95 New
    • Pcs 5v Micro USB 1a 18650 Lithium Battery Charging Board Charger Module
      Pcs 5v Micro USB 1a 18650 Lithium Battery Charging Board Charger Module
      4.9 out of 5 stars
      (34)Total Ratings 34,
      100% agree - Would recommend
      $2.30 New
    • Refrigerator 1800 Watts Voltage Brownout Appliance Surge Protector
      Refrigerator 1800 Watts Voltage Brownout Appliance Surge Protector
      4.9 out of 5 stars
      (31)Total Ratings 31,
      100% agree - Would recommend
      $13.95 New
    • JacobsParts FP5139 100w Dc-dc Boost Step-up Voltage Converter Module Adjustable
      JacobsParts FP5139 100w Dc-dc Boost Step-up Voltage Converter Module Adjustable
      4.9 out of 5 stars
      (15)Total Ratings 15,
      100% agree - Would recommend
      $6.95 New
    • 3600 Watts Air Conditioner Surge Brownout Voltage Freezer Protector
      3600 Watts Air Conditioner Surge Brownout Voltage Freezer Protector
      5 out of 5 stars
      (8)Total Ratings 8,
      100% agree - Would recommend
      $15.95 New
    • JacobsParts Mini360 DC Voltage Step Down Power Converter Buck Module - Set of 10
      JacobsParts Mini360 DC Voltage Step Down Power Converter Buck Module - Set of 10
      4.3 out of 5 stars
      (53)Total Ratings 53,
      80% agree - Would recommend
      $4.95 New
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    Slide {current_page} of {total_pages} - You May Also Like
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