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    DC to DC Power Regulators & Converters

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    List View

    1-48 of 15,365 Results

    • 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
      245 sold
    • 4S 100A 12v 14.6v LiFePO4 BMS LED Heatsink Battery Balance Board LiFe LFP 4 Cell

      4S 100A 12v 14.6v LiFePO4 BMS LED Heatsink Battery Balance Board LiFe LFP 4 Cell

      $19.89
      Free shipping
      311 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

      $13.79
      Free shipping
      or Best Offer
    • Waterproof DC-DC Converter 12V Step Down to 5V Power Supply Module 3A 15W USB

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

      $6.95
      Free shipping
      224 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
    • Waterproof DC-DC Converter 12V Step Down to 5V Power Supply Module 3A 15W BLACK

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

      $6.25
      Free shipping
      506 sold
    • Plug and Play 4S 100A 12v - 14.6v LiFePO4 BMS LED Battery Balance No Soldering

      Plug and Play 4S 100A 12v - 14.6v LiFePO4 BMS LED Battery Balance No Soldering

      $27.99
      Free shipping
      59 sold
    • 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
    • Waterproof DC-DC Converter 12V Step Down to 5V Power Supply Module 3A 15W USB

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

      $5.99
      Free shipping
      73 sold
    • 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 out of 5 stars
      (6)6 product ratings - 5pcs DC-DC Micro-USB Step Up Boost Module 2-24V IN 5-28V Output Power Converter
      $5.99
      Free shipping
    • 12V BMS Charging Charger Protection Board Lithium Battery Cell

      12V BMS Charging Charger Protection Board Lithium Battery Cell

      $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
      (36)36 product ratings - 2pcs TP4056 5V 1A Micro USB 18650 Lithium Battery Charging and Protection Board
      $2.87
      Free shipping
      1,267 sold
    • XL4015 36V 5A DC Buck Step Down Voltage Converter Constant Current Power Module

      XL4015 36V 5A DC Buck Step Down Voltage Converter Constant Current Power Module

      $4.99
      Free shipping
    • USB DC 5V to DC 12V Step up Module Converter 2.1x5.5mm Male Connector Plus MF

      USB DC 5V to DC 12V Step up Module Converter 2.1x5.5mm Male Connector Plus MF

      $3.94
      Free shipping
      or Best Offer
      2,771 sold
    • 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

      $3.49
      Free shipping
      1,465 sold
    • 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
    • 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
      $4.25 shipping
    • Breadboard Power Supply Module 3.3V / 5V For MB-102 & Solderless Breadboards US

      Breadboard Power Supply Module 3.3V / 5V For MB-102 & Solderless Breadboards US

      $3.95
      Free shipping
      171 sold
    • 4S 100A 12V 16.8V Li-ion LiPo Lithium BMS LED Heatsink Battery Balance Board

      4S 100A 12V 16.8V Li-ion LiPo Lithium BMS LED Heatsink Battery Balance Board

      $19.99
      Free shipping
      79 sold
    • 24V to 12V 20A DC DC Converter 20AMP 240 Watt Voltage Step Down Module

      24V to 12V 20A DC DC Converter 20AMP 240 Watt Voltage Step Down Module

      $15.98
      Was: $17.99
      Free shipping
      or Best Offer
    • 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
      136 sold
    • 4S 100A 12.8V 14.8V Iron Phosphate 3.2V LiFePO4 Lithium Battery PCB BMS 100A

      4S 100A 12.8V 14.8V Iron Phosphate 3.2V LiFePO4 Lithium Battery PCB BMS 100A

      $10.99
      Free shipping
      or Best Offer
    • XH-M603 12-24V Battery Charging Control Module Protection LED Voltmeter Board

      XH-M603 12-24V Battery Charging Control Module Protection LED Voltmeter Board

      $10.10
      Was: $12.63
      $4.25 shipping
    • 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
      $4.25 shipping
    • Lithium Li-ion 18650 Battery Charger DC 5V Converter Module DIY UPS Power Supply

      Lithium Li-ion 18650 Battery Charger DC 5V Converter Module DIY UPS Power Supply

      $2.95
      $2.75 shipping
      or Best Offer
      601 sold
    • 24Volt Step Down to 12Volt 40 Amp DC DC Converter Voltage Reducer Regulator 480W

      24Volt Step Down to 12Volt 40 Amp DC DC Converter Voltage Reducer Regulator 480W

      $31.25
      Was: $33.25
      Free shipping
      or Best Offer
    • LT1963 LT3015 Ultra-low Noise +/- Adjustable Regulator Linear Power Supply Board

      LT1963 LT3015 Ultra-low Noise +/- Adjustable Regulator Linear Power Supply Board

      $19.25
      Free shipping
      31 sold
    • 2s Energy DC-DC Lithium Charger LiFePO4 14.5V US SELLER

      2s Energy DC-DC Lithium Charger LiFePO4 14.5V US SELLER

      $39.99 to $84.99
      Free shipping
      3 watching
    • 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
      (11)11 product ratings - 5pcs XL4015 5A DC Buck Step Down Voltage Converter Constant Current Power Module
      $11.95
      Free shipping
    • LTC3780 130W DC Synchronous Buck Boost Step Up Down Voltage & Current Regulator

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

      4 out of 5 stars
      (12)12 product ratings - LTC3780 130W DC Synchronous Buck Boost Step Up Down Voltage & Current Regulator
      $16.95
      Free shipping
    • 3S 100A 12.6v BMS LED Heatsink Li-ion Lithium Battery Balance Charger 3 Cell 12v

      3S 100A 12.6v BMS LED Heatsink Li-ion Lithium Battery Balance Charger 3 Cell 12v

      $18.49
      Free shipping
      119 sold
    • 10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12V

      10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12V

      4.5 out of 5 stars
      (58)58 product ratings - 10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12V
      $6.95
      Free 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

      $8.99
      Free shipping
    • DC 9V-36V To 13.8V 10A 138W Step Up/Down Power Regulator Converter Module sale

      DC 9V-36V To 13.8V 10A 138W Step Up/Down Power Regulator Converter Module sale

      $22.35
      $1.38 shipping
      Only 1 left!
    • Golf Cart Voltage Reducer for 48v to 12v 20 amp 240 watt

      Golf Cart Voltage Reducer for 48v to 12v 20 amp 240 watt

      $26.99
      Free shipping
      Only 2 left
    • 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
      $4.25 shipping
    • 4S 14.8V 16.8V 100A w/Balance Li-ion Lithium 18650 Battery BMS Protection Board

      4S 14.8V 16.8V 100A w/Balance Li-ion Lithium 18650 Battery BMS Protection Board

      $10.99
      Free shipping
      or Best Offer
    • 60W USB C PD 3.0 QC4+ & USB-A QC3.0 Fast Charger Step-Down Module 12V/24V DC IN

      60W USB C PD 3.0 QC4+ & USB-A QC3.0 Fast Charger Step-Down Module 12V/24V DC IN

      $8.95
      Free shipping
    • 200W DC 10A Boost Converter Battery Charger Step-up Power 6v-55V LiFePO4 Li-ion

      200W DC 10A Boost Converter Battery Charger Step-up Power 6v-55V LiFePO4 Li-ion

      $13.99
      Free shipping
      58 sold
    • GOLF CART DC DC CONVERTER 30 AMP 36V 48V VOLTAGE REDUCER REGULATOR TO 12V

      GOLF CART DC DC CONVERTER 30 AMP 36V 48V VOLTAGE REDUCER REGULATOR TO 12V

      $36.99
      Free shipping
      or Best Offer
    • Step Down Reducer Module 24V to 12V 5A DC DC Buck Converter Regulator Radio 60W

      Step Down Reducer Module 24V to 12V 5A DC DC Buck Converter Regulator Radio 60W

      $8.99
      Free shipping
    • DC 12V Low-voltage Battery Cut off Switch Controller Excessive Protection Module

      DC 12V Low-voltage Battery Cut off Switch Controller Excessive Protection Module

      $10.93
      Free shipping
      or Best Offer
      36 sold
    • DC-DC Boost Converter Board 8-32V to 45~390V High Voltage Capacitor Charging

      DC-DC Boost Converter Board 8-32V to 45~390V High Voltage Capacitor Charging

      $12.99
      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

      $12.95
      Was: $13.63
      $4.25 shipping
    • QC3.0 Type-C USB Lithium Li-ion 18650 Battery Fast Charger Module DIY Power Bank

      QC3.0 Type-C USB Lithium Li-ion 18650 Battery Fast Charger Module DIY Power Bank

      $3.96
      $2.75 shipping
      or Best Offer
      56 sold
    • 20W ±5V to ±24 Positive & Negative Dual Output Power Supply Boost ConverteR_shHH

      20W ±5V to ±24 Positive & Negative Dual Output Power Supply Boost ConverteR_shHH

      $6.78 to $6.96
      Was: $8.25
      $2.62 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
    • Daly Waterproof 14S 52V 60A Lithium Ion Battery Management System with Balancing

      Daly Waterproof 14S 52V 60A Lithium Ion Battery Management System with Balancing

      $38.99
      Free shipping

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