Power Regulators & Converters | Surplus Network

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

USA

XL4015 5A DC Buck Step-down...

$5.95 USD

XL4015 5A DC Buck Step-down...

$5.95 USD

5pcs MP1584 3A Adjustable DC Step Down Converter Buck Module 3.3V 5V 9V 12V 24V

USA

5pcs MP1584 3A Adjustable DC Step...

$5.95 USD

5pcs MP1584 3A Adjustable DC Step...

$5.95 USD

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

USA

60W DC Buck Boost Voltage Converter...

$5.95 USD

60W DC Buck Boost Voltage Converter...

$5.95 USD

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

USA

2pcs XL4015 5A DC Buck Step Down...

$5.95 USD

2pcs XL4015 5A DC Buck Step Down...

$5.95 USD

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

USA

12V To 5V 3A 15W DC-DC Step Down...

$6.39 USD

12V To 5V 3A 15W DC-DC Step Down...

$6.39 USD

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

USA

10pcs Mini360 3A DC Voltage Step Down...

$6.95 USD

10pcs Mini360 3A DC Voltage Step Down...

$6.95 USD

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

USA

FP5139 100W DC Boost Step-up...

$6.95 USD

FP5139 100W DC Boost Step-up...

$6.95 USD

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

USA

XL4015 5A DC Buck Step Down Power...

$6.95 USD

XL4015 5A DC Buck Step Down Power...

$6.95 USD

DC step down buck converter - 6-40V to 1.2-36V 20A 300W

USA

DC step down buck converter - 6-40V...

$10.49 USD

DC step down buck converter - 6-40V...

$10.49 USD

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

USA

2pcs Mini360 3A DC Voltage Step Down...

$1.99 USD

2pcs Mini360 3A DC Voltage Step Down...

$1.99 USD

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

USA

10x Battery holder, cr2032 or 20mm...

$1.99 USD

10x Battery holder, cr2032 or 20mm...

$1.99 USD

DC 3v-6v to 400kV 400000V Boost Step-up Power Module High-voltage Generator new

China

DC 3v-6v to 400kV 400000V Boost...

$1.99 USD

DC 3v-6v to 400kV 400000V Boost...

$1.99 USD

12V To 9V 1.7A 15W DC-DC Step Down Converter DC Power Supply Module Waterproof

USA

12V To 9V 1.7A 15W DC-DC Step Down...

$5.98 USD

12V To 9V 1.7A 15W DC-DC Step Down...

$5.98 USD

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

USA

5pcs XL4015 5A DC Buck Step Down...

$11.95 USD

5pcs XL4015 5A DC Buck Step Down...

$11.95 USD

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

USA

2pcs TP4056 5V 1A Micro USB 18650...

$2.99 USD

2pcs TP4056 5V 1A Micro USB 18650...

$2.99 USD

3.3V 5V 6V 9V 12V 24V Mini AC DC To DC Buck Step Down Adjustable Volt Converter

China

3.3V 5V 6V 9V 12V 24V Mini AC DC To...

$2.99 USD

3.3V 5V 6V 9V 12V 24V Mini AC DC To...

$2.99 USD

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

USA

1x 10x LM2596S DC-DC 3A Buck...

$8.94 USD

1x 10x LM2596S DC-DC 3A Buck...

$8.94 USD

DC-DC 12V to USB 5V 3A 15W Power Converter Regulator Step Down for Car GPS Phone

USA

DC-DC 12V to USB 5V 3A 15W Power...

$8.99 USD

DC-DC 12V to USB 5V 3A 15W Power...

$8.99 USD

DC24V To DC12V 10A 15A 20A 30A Step Down Power Supply Converter Regulator Module

USA

DC24V To DC12V 10A 15A 20A 30A Step...

$15.99 USD

DC24V To DC12V 10A 15A 20A 30A Step...

$15.99 USD

GOLF CART DC CONVERTER 10 AMP 48V 48 VOLT VOLTAGE REDUCER REGULATOR TO 12V 10A

USA

GOLF CART DC CONVERTER 10 AMP 48V 48...

$15.99 USD

GOLF CART DC CONVERTER 10 AMP 48V 48...

$15.99 USD

DC CONVERTER GOLF CART 10 AMP 36V 48V VOLTAGE REDUCER REGULATOR TO 12V 10A 120W

USA

DC CONVERTER GOLF CART 10 AMP 36V 48V...

$15.99 USD

DC CONVERTER GOLF CART 10 AMP 36V 48V...

$15.99 USD

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

USA

400W DC-DC Step Up Boost Buck Voltage...

$12.63 USD

400W DC-DC Step Up Boost Buck Voltage...

$12.63 USD

2V-28V Output 2A DC-DC MT3608 Step Up Boost Power Supply Regulator

USA

2V-28V Output 2A DC-DC MT3608 Step Up...

$4.69 USD

2V-28V Output 2A DC-DC MT3608 Step Up...

$4.69 USD

12V to 5V Dual USB Power Adapter Converter Cable Connector Car Charger For Phone

China

12V to 5V Dual USB Power Adapter...

$4.69 USD

12V to 5V Dual USB Power Adapter...

$4.69 USD

Refrigerator 1800 Watts Voltage Brownout Appliance Surge Protector

USA

Refrigerator 1800 Watts Voltage...

$13.95 USD

Refrigerator 1800 Watts Voltage...

$13.95 USD

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

USA

DC-DC CC CV Buck Converter Step-down...

$9.59 USD

DC-DC CC CV Buck Converter Step-down...

$9.59 USD

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

USA

DC-DC Converter 20A300W Step Down...

$9.59 USD

DC-DC Converter 20A300W Step Down...

$9.59 USD

DC-DC Converter 20A 300W Step Up Step Down Buck-Boost Power Adjustable Charger

USA

DC-DC Converter 20A 300W Step Up...

$12.59 USD

DC-DC Converter 20A 300W Step Up...

$12.59 USD

GOLF CART DC-DC 48V TO 12V 20 AMP VOLTAGE REDUCER CONVERTER 240W POWER REGULATOR

USA

GOLF CART DC-DC 48V TO 12V 20 AMP...

$17.99 USD

GOLF CART DC-DC 48V TO 12V 20 AMP...

$17.99 USD

GOLF CART 36V/48V REGULATOR TO 12V 20A DC CONVERTER STEP DOWN BUCK MODULE

USA

GOLF CART 36V/48V REGULATOR TO 12V...

$17.99 USD

GOLF CART 36V/48V REGULATOR TO 12V...

$17.99 USD

(M1) 3 POWER SONIC RECHARGEABLE BATTERY

USA

(M1) 3 POWER SONIC RECHARGEABLE BATTERY

$17.99 USD

(M1) 3 POWER SONIC RECHARGEABLE BATTERY

$17.99 USD

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

USA

2pcs TP4056 5V 1A USB Type-C 18650...

$3.49 USD

2pcs TP4056 5V 1A USB Type-C 18650...

$3.49 USD

24V to 12V 5A DC DC Buck Converter Regulator Step Down Power Supply Module 60W

USA

24V to 12V 5A DC DC Buck Converter...

$7.59 USD

24V to 12V 5A DC DC Buck Converter...

$7.59 USD

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

USA

USB DC 5V to DC 12V Step up Module...

$3.94 USD

USB DC 5V to DC 12V Step up Module...

$3.94 USD

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

USA

10pcs TP4056 5V 1A USB Type-C USB-C...

$9.95 USD

10pcs TP4056 5V 1A USB Type-C USB-C...

$9.95 USD

1, 3, 5, 10, 15, 20 pcs voltage regulator L7805 - L7815 ; LM 317 1.5A LM7805-15

USA

1, 3, 5, 10, 15, 20 pcs voltage...

$3.99 USD

1, 3, 5, 10, 15, 20 pcs voltage...

$3.99 USD

3S 10A 12V Lithium Battery Charger Protection Board BMS Li-ion Charging Module

China

3S 10A 12V Lithium Battery Charger...

$1.77 USD

3S 10A 12V Lithium Battery Charger...

$1.77 USD

5 PieceTO-220 Voltage Regulator Transistor Triode Multiple Values Available USA

USA

5 PieceTO-220 Voltage Regulator...

$2.14 USD

5 PieceTO-220 Voltage Regulator...

$2.14 USD

7S 20A 24v BMS Protection PCB Board with Balancing, for Li-ion Lithium 18650

USA

7S 20A 24v BMS Protection PCB Board ...

$14.99 USD

7S 20A 24v BMS Protection PCB Board ...

$14.99 USD

2 Pack Voltage Surge Protector Split A/C brownout Refrigerators 6600W 36000BTU

USA

2 Pack Voltage Surge Protector Split...

$24.99 USD

2 Pack Voltage Surge Protector Split...

$24.99 USD

DC DC CONVERTER 24V DOWN TO 12V VOLT VOLTAGE 5A BUCK MODULE REDUCER REGULATOR

USA

DC DC CONVERTER 24V DOWN TO 12V VOLT...

$7.39

DC DC CONVERTER 24V DOWN TO 12V VOLT...

$7.39

10pcs 3A BMS Protection Board for 1S 3.7V 18650 Li-ion lithium Battery Cell Kit

China

10pcs 3A BMS Protection Board for 1S...

$3.19 USD

10pcs 3A BMS Protection Board for 1S...

$3.19 USD

DC-DC Buck Step Down Converter Module LM2596 Voltage Regulator+Led Voltmeter M3~

China

DC-DC Buck Step Down Converter Module...

$2.79 USD

DC-DC Buck Step Down Converter Module...

$2.79 USD

2 Lot Pack Voltage Protector Brownout Surge Refrigerator 1800 Watts Appliance

USA

2 Lot Pack Voltage Protector Brownout...

$23.99 USD

2 Lot Pack Voltage Protector Brownout...

$23.99 USD

DC/DC 15A Buck Adjustable 4-32V 12V to 1.2-32V 5V Converter Step Down Module DT

USA

DC/DC 15A Buck Adjustable 4-32V 12V...

$11.17 USD

DC/DC 15A Buck Adjustable 4-32V 12V...

$11.17 USD

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

USA

24V to 12V 20A DC DC Converter 20AMP...

$16.99 USD

24V to 12V 20A DC DC Converter 20AMP...

$16.99 USD

MINI USB 5V 1A 18650 TP4056 Lithium Battery Charger Module Charging Board Set

China

MINI USB 5V 1A 18650 TP4056 Lithium...

$3.00 USD

MINI USB 5V 1A 18650 TP4056 Lithium...

$3.00 USD

QC 3.0 5V 9V 12V USB-C Lithium Li-ion 18650 Battery Fast Quick Charging Module

China

QC 3.0 5V 9V 12V USB-C Lithium Li-ion...

$6.99 USD

QC 3.0 5V 9V 12V USB-C Lithium Li-ion...

$6.99 USD

US 3S/4S/5S 12.6/16.8/21V Li-ion Lithium Battery BMS PCB Protect Board Balance

China

US 3S/4S/5S 12.6/16.8/21V Li-ion...

$3.29 USD

US 3S/4S/5S 12.6/16.8/21V Li-ion...

$3.29 USD

93% Efficiency 2A DCDC 2~24V To 5V 9V 12V 28V Adjustable Step-Up Converter Board

China

93% Efficiency 2A DCDC 2~24V To 5V 9V...

$0.99 USD

93% Efficiency 2A DCDC 2~24V To 5V 9V...

$0.99 USD

1PC LM2596 DC-DC Adjustable Step Down Power Module 7V-35V to 1.25V-30V 3A

China

1PC LM2596 DC-DC Adjustable Step Down...

$0.99 CAD

1PC LM2596 DC-DC Adjustable Step Down...

$0.99 CAD

2X LM2596 DC-DC Adjustable Buck Converter Step Down Power Supply Module 1.23-30V

China

2X LM2596 DC-DC Adjustable Buck...

$0.99 USD

2X LM2596 DC-DC Adjustable Buck...

$0.99 USD

3.7V to 2000V Booster Module High Voltage Arc Pulse Generator Ignition Coil DIY

China

3.7V to 2000V Booster Module High...

$4.32 USD

3.7V to 2000V Booster Module High...

$4.32 USD

6-24V Input to 5V 2A USB Car Charger Module DC-DC Buck Step-Down Converter

USA

6-24V Input to 5V 2A USB Car Charger...

$5.89 USD

6-24V Input to 5V 2A USB Car Charger...

$5.89 USD

5V Regulator 7805 L7805 L7805CV 5 Volt 2 Pack

USA

5V Regulator 7805 L7805 L7805CV 5...

$1.39 USD

5V Regulator 7805 L7805 L7805CV 5...

$1.39 USD

AC-DC Power Supply Buck Converter Step Down Module 3.3V 5V 9V 12V 15V 24V 36V US

USA

AC-DC Power Supply Buck Converter...

$5.49 USD

AC-DC Power Supply Buck Converter...

$5.49 USD

1S 2S 3S 4S Lithium Battery Capacity Indicator Voltmeter Module Blue Display US

USA

1S 2S 3S 4S Lithium Battery Capacity...

$5.49 USD

1S 2S 3S 4S Lithium Battery Capacity...

$5.49 USD

3S 40A Li-ion Lithium Battery Charger PCB BMS Protection Board For Drill Motor

China

3S 40A Li-ion Lithium Battery Charger...

$3.79 USD

3S 40A Li-ion Lithium Battery Charger...

$3.79 USD

6S/5S/4S/3S/2S/1S BMS PCB Protection Board For 18650 Li-ion Lithium Battery Cell

China

6S/5S/4S/3S/2S/1S BMS PCB Protection...

$2.33 USD

6S/5S/4S/3S/2S/1S BMS PCB Protection...

$2.33 USD

5Pcs Micro USB TP4056 Lithium Battery Charging Board Charger Module Protection

China

5Pcs Micro USB TP4056 Lithium Battery...

$1.79 USD

5Pcs Micro USB TP4056 Lithium Battery...

$1.79 USD

DC-DC Buck Step-down 4V-38V to 1.25V-36V 5A Converter Voltage Regulator**

China

DC-DC Buck Step-down 4V-38V to...

$1.88 USD

DC-DC Buck Step-down 4V-38V to...

$1.88 USD

3S 20A 12.6V Cell 18650 Li-ion Lithium Battery Charger BMS Protection PCB Board

China

3S 20A 12.6V Cell 18650 Li-ion...

$1.68 USD

3S 20A 12.6V Cell 18650 Li-ion...

$1.68 USD

DCDC 6-40V 9V 12V 24V 36V To 5V 3A Dual USB Output Step-Down Power Regulator PCB

China

DCDC 6-40V 9V 12V 24V 36V To 5V 3A...

$3.20 USD

DCDC 6-40V 9V 12V 24V 36V To 5V 3A...

$3.20 USD

AA Battery Spring Contact Terminal Lot of 20

USA

AA Battery Spring Contact Terminal...

$2.50 USD

AA Battery Spring Contact Terminal...

$2.50 USD

Low Voltage Disconnect 12/24 Volt

USA

Low Voltage Disconnect 12/24 Volt

$37.80 USD

Low Voltage Disconnect 12/24 Volt

$37.80 USD

5pcs DC-DC 2A Adjustable Boost Power Supply Converter Step Up Module 2-24V Input

China

5pcs DC-DC 2A Adjustable Boost Power...

$4.54 USD

5pcs DC-DC 2A Adjustable Boost Power...

$4.54 USD

10PCS LM317T LM317 Linear Variable Voltage Current Regulator TO-220

USA

10PCS LM317T LM317 Linear Variable...

$3.10 USD

10PCS LM317T LM317 Linear Variable...

$3.10 USD

5A DC-DC Step Up Power Module Boost Volt Converter 3.3V-35V To 5V 6V 9V 12V 24V

China

5A DC-DC Step Up Power Module Boost...

$2.36 USD

5A DC-DC Step Up Power Module Boost...

$2.36 USD