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 $49.95Save up to 10% when you buy moreameribox (160,866) 98%Free shipping68+ sold
- Synchronous Buck Converter Step-down Power Module DC8-60V TO DC1-36V 15A 200WOpens in a new window or tabBrand New$8.86 to $48.80Save up to 5% when you buy moreWas: $53.04 8% offworldchips (190,405) 99.1%Free shippingFree returns
- 2PACK DC 24v to 12v Step Down Converter Reducer Regulator 5A 60W Power SupplyOpens in a new window or tabBrand New$13.99Save up to 15% when you buy moreWas: $17.99 22% offbranddiscount (11,941) 98.2%Free shipping
- 2PCS DC 24v to 12v Step Down Converter Reducer Regulator 5A Power Supply AdapterOpens in a new window or tabBrand New$13.78Save up to 10% when you buy morenix.sun (19,431) 100%Free shippingFree returns793 sold
- Buck Step-down LM2596 Power Converter Module DC 4-38V to 1.25-36V LED VoltmeterOpens in a new window or tabBrand New$4.91Save up to 10% when you buy moreWas: $5.99 18% offjacobstoner (74,280) 99.5%Free shipping646 sold
- 2X LM2596 DC-DC Adjustable Buck Converter Step Down Power Supply Module 1.23-30VOpens in a new window or tabBrand New$0.99bma2025 (922) 100%Free shippingfrom China146 sold
- DC 12V 24V Step Down to DC 5V Buck Converter 15W 25W 50W 75W Voltage RegulatorOpens in a new window or tabBrand New$10.99 to $12.99Save up to 15% when you buy moremalongli3115 (22,422) 100%Free shipping211+ sold
- 1x 10x LM2596S DC-DC 3A Buck Adjustable Step-down Power Supply Converter ModuleOpens in a new window or tabBrand New$4.94 to $11.94Top Rated Plusdorigift442 (247,136) 98.5%Free shippingFree returns200+ sold
Picked For You
Sponsored | Top selling items from highly rated sellers with free shipping- 12V To 5V 3A 15W DC-DC Step Down Converter DC Power Supply Module Waterproof USOpens in a new window or tabBrand New$6.89Save up to 20% when you buy moreTop Rated PlusFree shippingenvistia (37,713) 100%Free returns2,417 sold
- 10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$7.99Save up to 10% when you buy morecustom-sign (175,608) 98%Free shipping706 sold
- DC-DC Converter 20A300W Step Down Buck-Boost Power Adjustable Charger Board ToolOpens in a new window or tabBrand New$10.98Top Rated Plusdorigift442 (247,136) 98.5%Free shippingFree returns1,013 sold
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module NEWOpens in a new window or tabBrand New$14.49Save up to 15% when you buy moreameribox (160,866) 98%Free shipping110 sold
- Power Converter Regulator DC 36V 48V Step-Down to DC 12V 120W 10A WaterproofOpens in a new window or tabBrand New$16.19Save up to 5% when you buy moregowolf_us (1,445) 99.3%Free shipping
- 5PCS DC9V 12V 24V Step Down to DC 5V 5A Buck Converter Voltage Regulator ReducerOpens in a new window or tabBrand New$16.99Save up to 10% when you buy moreTop Rated PlusFree shippingheyu2023 (939) 99.8%Free returns
- USB Step UP/Down Power DC-DC 5V to 3.3V 9V 12V 24V Module Boost Buck ConverterOpens in a new window or tabBrand New$10.99Save up to 20% when you buy moreTop Rated PlusFree shippingvlidscrom (3,613) 100%Free returnsAlmost gone122 sold
- 5A DC-DC Constant Current Voltage Regulator Buck Step Down Converter 4-38VOpens in a new window or tabBrand New$9.99Save up to 20% when you buy moreTop Rated PlusFree shippingvlidscrom (3,613) 100%Free returns
- Buck Step-down LM2596 Power Converter Module DC 4.0~40 to 1.3-37V LED VoltmeterOpens in a new window or tabBrand New$5.75Save up to 10% when you buy morecustom-sign (175,608) 98%Free shipping1,159 sold
- 20A 300W Synchronous Buck Module DC Step Down Voltage CC Power 5V 12V 24V 36VOpens in a new window or tabBrand New$9.29Save up to 7% when you buy moretheperfectpart (873,194) 99.9%Free shippingFree returns98 sold
- DC to DC Converter Voltage Regulator Buck Boost Converter Step Down/Up ModuleOpens in a new window or tabBrand New$13.99 to $34.99Save up to 12% when you buy moremalongli3115 (22,422) 100%Free shipping
- AC/DC to DC Buck Adjustable Step Down Converter 3.3V 5V 12V 24V Volt RegulatorOpens in a new window or tabBrand New$7.99efans_studio (19,613) 98.7%+$1.95 shippingfrom China408 sold
- 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 $4.95miniduino (303,230) 98.2%Free shipping94+ sold
- DC-DC Adjustable Step-down Buck Converter Module 12V-75V to 5V24V48V 600W/25A USOpens in a new window or tabBrand New$14.59Save up to 5% when you buy moreWas: $16.99 14% offmodulesworld2022 (3,000) 99%Free shipping
- 1x LM2596S DC-DC 3A Buck Adjustable Step-down Power Supply Converter ModuleOpens in a new window or tabBrand New$4.49 to $11.75Save up to 9% when you buy moreeshippers (225,553) 97.8%Free shipping515+ sold
- 300W 20A DC-DC Buck Converter Step Down Module Adjustable Charger Board PSOpens in a new window or tabBrand New$7.92Save up to 10% when you buy moreWas: $8.80 10% offTop Rated Pluseelectronicparts (24,567) 99.6%+$5.35 shippingFree returnsAlmost gone121 sold
- DC 12V to 5V 3A 15W Step down USB Converter Regulator Adapter For Car Charger USOpens in a new window or tabBrand New$6.95Save up to 20% when you buy morefrentaly (241,847) 97.9%Free shipping398 sold
- 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 $21.99Top Rated Plushelloind (148) 100%Free shippingFree returns
- 12V To 6V 2.5A 15W DC-DC Step Down Converter DC Power Supply Module WaterproofOpens in a new window or tabBrand New$6.89Save up to 20% when you buy moreTop Rated PlusFree shippingenvistia (37,713) 100%Free returns746 sold
- 60W DC Buck Boost Voltage Converter Constant Current Module Step Power Up / DownOpens in a new window or tabBrand New$7.99Save up to 10% when you buy morejacobsparts (420,981) 99.7%Free shippingFree returnsAlmost gone1,770 sold
- XL4015 5A DC Buck Step Down Power Converter Voltage Current & LED Voltmeter USBOpens in a new window or tabBrand New$12.49Save up to 20% when you buy moreTop Rated PlusFree shippingvlidscrom (3,613) 100%Free returns4+ watchers
- 2PACK DC 24v to 12v Step Down Converter Reducer Regulator 5A 60W Power SupplyOpens in a new window or tabBrand New$12.99Save up to 11% when you buy morefenxiang (405) 99%Free shipping
- 2x DC 12/24V to 5V 15A DC Buck Converter 75W Step Down Voltage Regulator ReducerOpens in a new window or tabBrand New$24.99Save up to 10% when you buy moreTop Rated PlusFree shippingheyu2023 (939) 99.8%Free returns
- 120W Power Buck Converter DC-DC Regulator 17-55V Step-Down To 12V 10A WaterproofOpens in a new window or tabBrand New$17.99Save up to 10% when you buy moreTop Rated PlusFree shippingheyu2023 (939) 99.8%Free returns
- Mini DC-DC Buck Step-down Converter Adjustable Power Module 3.3V 3V 5V 9V 12V 3AOpens in a new window or tabBrand New$0.99extendtrade (3,211) 99.7%+$0.91 shippingfrom China1,453 sold
- Waterproof DC-DC Buck Step Down Volt Converter 20V-72V 24V 36V 48V to 12V 1A UEOpens in a new window or tabBrand New$14.89excelsellerusa (66,865) 98%Free shippingFree returns
- 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$11.63Save up to 10% when you buy moregreatgoodshop (78,820) 98.7%Free shipping1,127 sold
- 15W USB 5V 3A DC Buck Voltage Step-down Module 9V 12V 24V Input DIY Car ChargerOpens in a new window or tabBrand New$1.85jacobstoner (74,280) 99.5%Was: $2.99 38% offFree shipping1,235 sold
- XL6009 3A DC Buck Step Up Down To Adjustable Voltage Power ConverterOpens in a new window or tabBrand New$3.75miniduino (303,230) 98.2%Free shipping774 sold
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator ModuleOpens in a new window or tabBrand New$15.19 to $17.57Save up to 10% when you buy moreWas: $15.99 5% offsunnylives (54,314) 97.2%Free shipping
- 2PCS DC24V to 12V 10A 120W DC Buck Converter Voltage Step Down Regulator ReducerOpens in a new window or tabBrand New$21.99Save up to 10% when you buy moreTop Rated PlusFree shippingheyu2023 (939) 99.8%Free returns
- Power Converter Regulator DC 12V 24V Step-Down to DC 6V 10A 60W WaterproofOpens in a new window or tabBrand New$18.15Save up to 10% when you buy moreWas: $19.11 5% offgadgetszone (56,770) 99.2%Free shipping206 sold
- 2pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$2.75Save up to 10% when you buy morecustom-sign (175,608) 98%Free shipping337 sold
- 10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$8.79Save up to 10% when you buy moreWas: $9.99 12% offjacobsparts (420,981) 99.7%Free shippingFree returns3,110 sold
- AC/DC-DC Step-down Buck Power Module Adjustable Rectifier Filter 5-20 to 5-32VOpens in a new window or tabBrand New$0.99Top Rated Plusx-modules-x (1,612) 98.8%+$2.99 shippingfrom ChinaFree returns
- 20pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$13.95Save up to 20% when you buy morewildware (374) 99.4%Free shipping
- 2pcs XL4015 5A DC Buck Step Down Voltage Converter Constant Current Power ModuleOpens in a new window or tabBrand New$6.47Save up to 10% when you buy moreWas: $8.99 28% offjacobsparts (420,981) 99.7%Free shippingFree returns969 sold
- 5 PCS DC 5V to 3.3V Step-Down Power Supply Module AMS1117-3.3 LDO 800MA M330Opens in a new window or tabBrand New$3.99Save up to 10% when you buy moreeshippers (225,553) 97.8%Free shipping283 sold
- 1-10 PCS Boost Buck DC adjustable step up down Converter XL6009 Module VoltageOpens in a new window or tabBrand New$5.99 to $21.99Save up to 12% when you buy morecowramill (5,251) 98.5%Free shipping
- 12V To 9V 1.7A 15W DC-DC Step Down Converter DC Power Supply Module WaterproofOpens in a new window or tabBrand New$6.89Save up to 20% when you buy moreTop Rated PlusFree shippingenvistia (37,713) 100%Free returns1,507 sold
- 2PCS DC 12V to 5V 3A DC Step Down Converter Buck Voltage Regulator Waterproof USOpens in a new window or tabBrand New$12.99Save up to 10% when you buy moreTop Rated PlusFree shippingheyu2023 (939) 99.8%Free returns
- US_ DC-DC 12V to USB 5V 3A Converter Regulator Step Down for Car GPS SmartphoneOpens in a new window or tabBrand New$6.75Save up to 20% when you buy moreeshippers (225,553) 97.8%Free shipping573 sold
- LM317 DC-DC Converter Adjustable Linear Regulator Step Down Circuit Board PowerOpens in a new window or tabBrand New$1.25Save up to 10% when you buy moreWas: $1.79 30% offTop Rated Pluseelectronicparts (24,567) 99.6%+$5.35 shippingFree returns378 sold
- DC-DC Buck Boost Converter Adjustable Power Supply Voltage Module Step Up /DownOpens in a new window or tabBrand New$14.48 to $23.98Save up to 10% when you buy moreList price: $19.98 28% offTop Rated Plusnsioutlet (526,488) 99.3%Free shippingFree returns296+ sold
- 4/2Pcs LM2596S DC-DC 3A Step-Down Buck Power Supply Converter Module AdjustableOpens in a new window or tabBrand New$9.48 to $13.48Save up to 10% when you buy moreList price: $17.98 25% offTop Rated Plusnsioutlet (526,488) 99.3%Free shippingFree returns160+ sold
- Buck Step-down M309 Power Converter Module DC 12V 24V 48V 100V to 5V 1.5AmpOpens in a new window or tabBrand New$5.99miniduino (303,230) 98.2%Free shipping166 sold
- 2pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$3.19jacobstoner (74,280) 99.5%Was: $3.99 20% offFree shipping3,633 sold
- Boost Buck DC-DC adjustable step up down Converter XL6009 Module Solar VoltageOpens in a new window or tabBrand New$3.99gravity_standard (169,629) 95.8%Free shipping
- 5A Adjustable DC-DC Step Down Power Supply Voltmeter Heatsink Standoffs XL4015Opens in a new window or tabBrand New$4.55jacobstoner (74,280) 99.5%Was: $5.99 24% offFree shipping124 sold
- DC-DC Buck Step Down Converter Dual Output ±5V ±9V ±12V ±15V Power Supply ModuleOpens in a new window or tabBrand New$3.80 to $3.95Top Rated Plushello_alian (29,730) 99.4%+$3.75 shippingfrom ChinaFree returns
- DC 24V to DC 12V 10A 120W Step Down Buck Voltage Regulator Power ConverterOpens in a new window or tabBrand New$12.33Save up to 15% when you buy moreWas: $12.98 5% offkylinwongllc (7,606) 99.2%Free shipping916 sold
- LM2596 DC-DC Step-down Adjustable CC/CV Power Supply Module Converter LED driverOpens in a new window or tabBrand New$0.99Top Rated Plussurvy2014 (289,805) 99.6%+$3.00 shippingfrom ChinaFree returns266 sold
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator ModuleOpens in a new window or tabBrand New$13.27Save up to 8% when you buy moreWas: $14.42 8% offalice1101983 (569,948) 99.5%Free shipping
- 10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$7.98miniduino (303,230) 98.2%Free shipping136 sold
- STEP DOWN BUCK MODULE 48V/36V VOLTAGE REGULATOR TO 24V 20A 240W DC DC CONVERTEROpens in a new window or tabBrand New$16.99gowolf_us (1,445) 99.3%Free shippingFree returns
- 24V / 12V To 5V 5A Power Module DC-DC Step-Down Power Supply ConverterOpens in a new window or tabBrand New$6.95Save up to 15% when you buy morecustom-sign (175,608) 98%Free shipping203 sold
- New Adjustable Step-down Power Supply Converter Module For LM2596S DC-DC 3A BuckOpens in a new window or tabBrand New$4.40Save up to 12% when you buy moreny-top-tek (208,656) 98.8%Free shipping
- 2PC 400W 15A DC-DC Step Up Down Boost Buck Voltage Power Converter Module SupplyOpens in a new window or tabBrand New$15.90ny-top-tek (208,656) 98.8%Free shipping
- 24W USB QC 3.0 Fast Charge Step-down Buck Module Power 12V 24V DC InputOpens in a new window or tabBrand New$2.18jacobstoner (74,280) 99.5%Was: $2.99 27% offFree shipping157 sold
- Car Waterproof DC-DC Converter 12V Step Down to 5V Power Supply Module 3A 15WOpens in a new window or tabBrand New$6.75Save up to 10% when you buy moreameribox (160,866) 98%Free shipping254 sold
- DC Step Down Voltage Converter 20V-55V 36V 48V to 12 volt 12V golf cart electricOpens in a new window or tabBrand New$9.99cardsncoin (7,871) 99.7%+$1.99 shipping
- DC-DC Step Down Converter 12V/ 24V to 5V 5A Transformer Power Regulator ModuleOpens in a new window or tabBrand New$10.99Save up to 10% when you buy moreTop Rated PlusFree shippingdazzlewerllc (30,680) 100%Free returns104 sold
- 10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$6.99Save up to 9% when you buy moreeshippers (225,553) 97.8%Free shipping1,841 sold
- 2PCS Adjustable DC Buck Boost Converter Power Supply Voltage Module Step Up DownOpens in a new window or tabBrand New$14.98 to $24.98Save up to 10% when you buy moreList price: $19.98 25% offTop Rated Plusthesiliconvalley (460,719) 99.5%Free shippingFree returns
- 40A 480W DC 18V To 12V Step Down DIY Converter For Milwaukee Voltage RegulatorOpens in a new window or tabBrand New$8.99 to $32.99fragrant6 (4,154) 98.2%Free shippingfrom China
- 240W Voltage Buck Converter Reducer DC 17-55V Step Down to DC 12V 20A WaterproofOpens in a new window or tabBrand New$21.99Save up to 10% when you buy moreTop Rated PlusFree shippingheyu2023 (939) 99.8%Free returns23 watchers
- LED DC-DC 5V to 24V Adjustable Potentiometer USB Step Up/Down Buck Boost ModuleOpens in a new window or tabBrand New$10.99 to $13.49Save up to 20% when you buy moreTop Rated PlusFree shippingvlidscrom (3,613) 100%Free returns49+ sold
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