16,000+ results for step down converter
- Buck Step-down LM2596 Power Converter Module DC 4.0~40 to 1.3-37V LED VoltmeterOpens in a new window or tabBrand New$5.95 to $49.95Free shipping68+ soldSave up to 10% when you buy moreameribox (161,541) 98%
- Synchronous Buck Converter Step-down Power Module DC8-60V TO DC1-36V 15A 200WOpens in a new window or tabBrand New$8.86 to $48.80Was: $53.048% offFree shippingFree returnsSave up to 5% when you buy moreworldchips (190,535) 99.1%
- 3.3V 5V 12V ADJ Adjustable Output DC DC Step-Down Buck Converter BoardOpens in a new window or tabBrand New$13.15Was: $13.996% offFree shippingfrom Chinauafymu (506) 97.3%
- DC-DC 400W Step Down Buck Converter Constant Voltage Constant CurrentOpens in a new window or tabBrand New$16.78Was: $17.856% offFree shippingfrom Chinauafymu (506) 97.3%
- Buck Step-down LM2596 Power Converter Module DC 4-38V to 1.25-36V LED VoltmeterOpens in a new window or tabBrand New$4.61Was: $5.9923% offFree shipping649 soldSave up to 10% when you buy morejacobstoner (74,461) 99.5%
- 1x 10x LM2596S DC-DC 3A Buck Adjustable Step-down Power Supply Converter ModuleOpens in a new window or tabBrand New$4.94 to $11.94Free shippingFree returns200+ soldTop Rated Plusdorigift442 (247,707) 98.5%
- 2X LM2596 DC-DC Adjustable Buck Converter Step Down Power Supply Module 1.23-30VOpens in a new window or tabBrand New$0.99Free shippingfrom China167 soldbma2025 (924) 100%
- 12V To 5V 3A 15W DC-DC Step Down Converter DC Power Supply Module Waterproof USOpens in a new window or tabBrand New$6.89Free shippingFree returns2,429 soldSave up to 20% when you buy moreTop Rated Plusenvistia (37,817) 100%
Picked For You
Sponsored | Top selling items from highly rated sellers with free shipping- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module NEWOpens in a new window or tabBrand New$14.49Free shipping115 soldSave up to 15% when you buy moreameribox (161,541) 98%
- DC 12V 24V Step Down to DC 5V Buck Converter 15W 25W 50W 75W Voltage RegulatorOpens in a new window or tabBrand New$10.44 to $12.34Was: $10.995% offFree shipping211+ soldSave up to 15% when you buy moremalongli3115 (22,435) 100%
- 10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$7.99Free shipping711 soldSave up to 10% when you buy morecustom-sign (176,170) 98%
- Buck Step-down LM2596 Power Converter Module DC 4.0~40 to 1.3-37V LED VoltmeterOpens in a new window or tabBrand New$5.75Free shipping1,162 soldSave up to 10% when you buy morecustom-sign (176,170) 98%
- DC/DC 15A Buck Adjustable 4-32V 12V to 1.2-32V 5V Converter Step Down Module DTOpens in a new window or tabBrand New$12.34Free shipping1,131 soldSave up to 10% when you buy moregreatgoodshop (79,051) 98.7%
- AC/DC Step down Adjustable Converter 5-32V to 3.3-18V Rectifier Filter ModuleOpens in a new window or tabBrand New$4.34Was: $4.728% off+$3.39 shippingfrom Chinakximpf (327) 95.9%
- New LM317 DC-DC Converter Module Step Down Circuit Board Linear RegulatorOpens in a new window or tabBrand New$9.11Was: $9.696% offFree shippingfrom Chinauafymu (506) 97.3%
- DC-DC Voltage Converter Boost-Buck Power Supply Module Dual Output ModuleOpens in a new window or tabBrand New$9.11Was: $9.696% offFree shippingfrom Chinauafymu (506) 97.3%
- DC-DC Converter 20A300W Step Down Buck-Boost Power Adjustable Charger Board ToolOpens in a new window or tabBrand New$10.98Free shippingFree returns1,015 soldTop Rated Plusdorigift442 (247,707) 98.5%
- 12V To 9V 1.7A 15W DC-DC Step Down Converter DC Power Supply Module WaterproofOpens in a new window or tabBrand New$6.89Free shippingFree returns1,510 soldSave up to 20% when you buy moreTop Rated Plusenvistia (37,817) 100%
- 1x LM2596S DC-DC 3A Buck Adjustable Step-down Power Supply Converter ModuleOpens in a new window or tabBrand New$4.49 to $11.75Free shipping515+ soldSave up to 9% when you buy moreeshippers (226,178) 97.8%
- Power Converter Regulator DC 36V 48V Step-Down to DC 12V 120W 10A WaterproofOpens in a new window or tabBrand New$16.19Free shippingSave up to 5% when you buy moregowolf_us (1,453) 99.3%
- XL6009 DC Buck Boost Step Up or Down Adjustable Voltage Module 5V 12V 24V 32VOpens in a new window or tabBrand New$3.39Was: $3.9915% offFree shipping1,883 soldSave up to 10% when you buy morejacobstoner (74,461) 99.5%
- 20A 300W Synchronous Buck Module DC Step Down Voltage CC Power 5V 12V 24V 36VOpens in a new window or tabBrand New$9.29Free shippingFree returns101 soldSave up to 7% when you buy moretheperfectpart (874,619) 99.9%
- DC to DC Converter Voltage Regulator Buck Boost Converter Step Down/Up ModuleOpens in a new window or tabBrand New$13.99 to $34.99Free shippingSave up to 12% when you buy moremalongli3115 (22,435) 100%
- Mini DC-DC Buck Step-down Converter Adjustable Power Module 3.3V 3V 5V 9V 12V 3AOpens in a new window or tabBrand New$0.99+$0.91 shippingfrom China1,462 soldextendtrade (3,219) 99.7%
- 2pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$3.99Free shipping3,635 soldjacobstoner (74,461) 99.5%
- AC/DC-DC Step down Buck Power Module Adjustable w/Rectifier Filter 5-20 to 5-32VOpens in a new window or tabBrand New$7.79Free shippingbingospace (1,495) 99%
- DC-DC Step Down Converter 12V/ 24V to 5V 5A Transformer Power Regulator ModuleOpens in a new window or tabBrand New$10.99Free shippingFree returns106 soldSave up to 10% when you buy moreTop Rated Plusdazzlewerllc (30,685) 100%
- AC/DC-DC Step-down Buck Power Module Adjustable Rectifier Filter 5-20 to 5-32VOpens in a new window or tabBrand New$0.99+$2.99 shippingfrom ChinaFree returnsTop Rated Plusx-modules-x (1,650) 98.8%
- AC to DC Converter Step-Down Power Supply Module AC100-264V to DC 5V 9V 12V 24VOpens in a new window or tabBrand New$6.71Was: $7.298% off+$2.80 shippingfrom Chinakximpf (327) 95.9%
- New QC3.0 QC2.0 USB DC-DC Buck Converter Fast Charging Step Down ModuleOpens in a new window or tabBrand New$4.41Was: $4.696% off+$2.39 shippingfrom Chinauafymu (506) 97.3%
- XL4005 DC-DC Converter Voltage Adjustable Step-down 5A Power Supply ModuleOpens in a new window or tabBrand New$4.41Was: $4.696% off+$1.79 shippingfrom Chinauafymu (506) 97.3%
- 2A DC-DC Converter MP4560 Step-down Stabilized Voltage Power Supply ModuleOpens in a new window or tabBrand New$4.41Was: $4.696% off+$1.99 shippingfrom Chinauafymu (506) 97.3%
- Boost Buck DC-DC adjustable step up down Converter XL6009 Module Solar VoltageOpens in a new window or tabBrand New$3.99Free shippinggravity_standard (169,976) 95.7%
- 60W DC Buck Boost Voltage Converter Constant Current Module Step Power Up / DownOpens in a new window or tabBrand New$6.95Was: $7.9913% offFree shippingFree returns1,772 soldSave up to 10% when you buy morejacobsparts (421,188) 99.7%
- XL6009 3A DC Buck Step Up Down To Adjustable Voltage Power ConverterOpens in a new window or tabBrand New$3.75Free shipping776 soldminiduino (304,296) 98.2%
- DC 12V to 5V 3A 15W Step down USB Converter Regulator Adapter For Car Charger USOpens in a new window or tabBrand New$6.95Free shipping403 soldSave up to 20% when you buy morefrentaly (242,377) 97.9%
- 1-10 PCS Boost Buck DC adjustable step up down Converter XL6009 Module VoltageOpens in a new window or tabBrand New$5.99 to $21.99Free shippingSave up to 12% when you buy morecowramill (5,275) 98.4%
- 12V To 6V 2.5A 15W DC-DC Step Down Converter DC Power Supply Module WaterproofOpens in a new window or tabBrand New$6.89Free shippingFree returnsAlmost gone753 soldSave up to 20% when you buy moreTop Rated Plusenvistia (37,817) 100%
- New DC-DC Converter 5-30V to 1.25-30V Automatic Step UP/Down Converter BoardOpens in a new window or tabBrand New$10.59Was: $11.276% offFree shippingfrom Chinauafymu (506) 97.3%
- 3A DC-DC Step-down Converter Voltage Regulator Module 3.3V 3.7V 5V 6V 9V 12V 24VOpens in a new window or tabBrand New$8.83 to $10.05Was: $10.696% offFree shippingfrom Chinauafymu (506) 97.3%
- 5pcs XL6009 DC Buck Boost Step Up or Down Adjustable Voltage Module 5V 12V 24VOpens in a new window or tabBrand New$12.89Was: $14.9914% offFree shippingFree returns254 soldSave up to 10% when you buy morejacobsparts (421,188) 99.7%
- New Adjustable Step-down Power Supply Converter Module For LM2596S DC-DC 3A BuckOpens in a new window or tabBrand New$4.40Free shippingSave up to 12% when you buy moreny-top-tek (208,884) 98.8%
- 2PCS DC 24v to 12v Step Down Converter Reducer Regulator 5A Power Supply AdapterOpens in a new window or tabBrand New$13.09Was: $13.785% offFree shippingFree returns795 soldSave up to 10% when you buy morenix.sun (19,433) 100%
- 5PCS DC9V 12V 24V Step Down to DC 5V 5A Buck Converter Voltage Regulator ReducerOpens in a new window or tabBrand New$16.99Free shippingFree returnsSave up to 10% when you buy moreTop Rated Plusheyu2023 (985) 99.9%
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator ModuleOpens in a new window or tabBrand New$13.27Was: $14.428% offFree shippingSave up to 8% when you buy morealice1101983 (570,091) 99.5%
- 2pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$2.75Free shipping338 soldSave up to 10% when you buy morecustom-sign (176,170) 98%
- US_ DC-DC 12V to USB 5V 3A Converter Regulator Step Down for Car GPS SmartphoneOpens in a new window or tabBrand New$6.75Free shipping578 soldSave up to 20% when you buy moreeshippers (226,178) 97.8%
- DC-DC Adjustable Step-down Buck Converter Module 12V-75V to 5V24V48V 600W/25A USOpens in a new window or tabBrand New$16.99Free shippingSave up to 5% when you buy moremodulesworld2022 (3,047) 99.1%
- DC 24V to DC 12V 10A 120W Step Down Buck Voltage Regulator Power ConverterOpens in a new window or tabBrand New$12.33Was: $12.985% offFree shipping920 soldSave up to 15% when you buy morekylinwongllc (7,615) 99.2%
- Buck Step-down M309 Power Converter Module DC 12V 24V 48V 100V to 5V 1.5AmpOpens in a new window or tabBrand New$5.99Free shipping168 soldminiduino (304,296) 98.2%
- DC 17V - 55V TO 12V Step Down DC Converter 10A/20A Voltage Regulator Buck ModuleOpens in a new window or tabBrand New$17.99 to $21.99Free shippingFree returnsTop Rated Plushelloind (157) 100%
- DC-DC Buck Boost Converter Adjustable Power Supply Voltage Module Step Up /DownOpens in a new window or tabBrand New$14.48 to $23.98List price: $19.9828% offFree shippingFree returns297+ soldSave up to 10% when you buy moreTop Rated Plusnsioutlet (527,155) 99.3%
- STEP DOWN BUCK MODULE 48V/36V VOLTAGE REGULATOR TO 24V 20A 240W DC DC CONVERTEROpens in a new window or tabBrand New$16.99Free shippingFree returnsgowolf_us (1,453) 99.3%
- 20A 300W Synchronous Buck Module DC Step Down Voltage CC Power 5V 12V 24V 36VOpens in a new window or tabBrand New$9.01Was: $10.9918% offFree shippingFree returns782 soldSave up to 10% when you buy morejacobsparts (421,188) 99.7%
- DC 5V to 15W 1V~24V 12V USB Adjustable Step Up Down Voltage Power Supply ModuleOpens in a new window or tabBrand New$6.99Free shippinggravity_standard (169,976) 95.7%
- DC Step Down Voltage Converter 20V-55V 36V 48V to 12 volt 12V golf cart electricOpens in a new window or tabBrand New$9.99+$2.75 shippingcardsncoin (7,907) 99.8%
- US DC-DC 12V to USB 5V 3A Converter Regulator Step Down for Car GPS SmartphoneOpens in a new window or tabBrand New$6.95Free shipping814 soldminiduino (304,296) 98.2%
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module NEWOpens in a new window or tabBrand New$14.49Free shipping388 soldminiduino (304,296) 98.2%
- AC/DC to DC Buck Adjustable Step Down Converter 3.3V 5V 12V 24V Volt RegulatorOpens in a new window or tabBrand New$7.99+$1.95 shippingfrom China408 soldefans_studio (19,643) 98.7%
- 10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$6.99Free shipping217 soldmeditechny (255,360) 98.8%
- 2pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New70 product ratings - 2pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12V$2.50Free shipping288 soldSave up to 15% when you buy moredigitaliquid (10,606) 99.8%
- 24V / 12V To 5V 5A Power Module DC-DC Step-Down Power Supply ConverterOpens in a new window or tabBrand New$6.95Free shipping213 soldSave up to 15% when you buy morecustom-sign (176,170) 98%
- Car Waterproof DC-DC Converter 12V Step Down to 5V Power Supply Module 3A 15WOpens in a new window or tabBrand New$6.75Free shipping256 soldSave up to 10% when you buy moreameribox (161,541) 98%
- 1~5PC Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$2.75 to $4.95Free shipping94+ soldminiduino (304,296) 98.2%
- New CC CV Step Up Down Power Supply C-DC Adjustable Buck-Boost Converter ModuleOpens in a new window or tabBrand New$16.90 to $17.79Was: $19.9911% offFree shippingfrom China45+ soldotohappy (2,047) 97.1%
- 18V to 12V Step Down Converter for Milwaukee M18 Power Wheels Battery Adapter DOpens in a new window or tabBrand New$44.99Free 1-3 day shippingFree returnsmyjob53 (3,708) 97.6%
- 2PCS DC 12V to 5V 3A DC Step Down Converter Buck Voltage Regulator Waterproof USOpens in a new window or tabBrand New$12.99Free shippingFree returnsSave up to 10% when you buy moreTop Rated Plusheyu2023 (985) 99.9%
- 300W 12A Adjustable DC-DC CC CV Buck Converter Step-down Power Supply ModuleOpens in a new window or tabBrand New$12.86Free shippingcloudtron00a (34) 100%
- 2PCS Adjustable DC Buck Boost Converter Power Supply Voltage Module Step Up DownOpens in a new window or tabBrand New$14.98 to $24.98List price: $19.9825% offFree shippingFree returnsSave up to 10% when you buy moreTop Rated Plusthesiliconvalley (460,989) 99.4%
- LM317 DC-DC Converter Buck Step Down Circuit Board Module Linear RegulatorOpens in a new window or tabBrand New$6.07Was: $7.1415% offFree shippingFree returnsSave up to 7% when you buy moreTop Rated Plusezcartllc1 (59,065) 93.9%
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module NEWOpens in a new window or tabBrand New$14.49Free shipping262 soldSave up to 15% when you buy morecustom-sign (176,170) 98%
- DC 24V to 12V 20A 240W Voltage Reducer Regulator Step Down Converter WaterproofOpens in a new window or tabBrand New$18.99Free shipping220 soldSave up to 10% when you buy morekylinwongllc (7,615) 99.2%
- Power Converter Regulator DC 24V Step Down to DC 12V 40A 480W WaterproofOpens in a new window or tabBrand New$35.83Was: $37.725% offFree shipping437 soldSave up to 10% when you buy moregadgetszone (56,943) 99.2%
- DC Stabilized Constant Voltage and Current Step-down Power Supply ModuleOpens in a new window or tabBrand New$59.21 to $65.79Was: $62.996% offFree shippingfrom Chinauafymu (506) 97.3%
- DC-DC Convert DC 5-30V to DC 0.5-30V Boost Buck Power Supply Module Step Up&DownOpens in a new window or tabBrand New$9.79Was: $10.648% offFree shippingfrom Chinakximpf (327) 95.9%
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