16,000+ results for step down converter
- 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 (3,605) 100%Free 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 (11,937) 98.2%Free shipping
- 2PACK DC 24v to 12v Step Down Converter Reducer Regulator 5A 60W Power SupplyOpens in a new window or tabBrand New$12.99fenxiang (393) 99%Free shipping
- 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 (3,605) 100%Free returns4+ watchers
- 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 (246,791) 98.5%Free shippingFree returns200+ sold
- Buck Step-down LM2596 Power Converter Module DC 4-38V to 1.25-36V LED VoltmeterOpens in a new window or tabBrand New$4.61Save up to 10% when you buy moreWas: $5.99 23% offjacobstoner (74,142) 99.5%Free shipping641 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: $9.63 8% offworldchips (190,334) 99.1%Free shippingFree returns218+ 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 (246,791) 98.5%Free shippingFree returns1,013 sold
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$14.49Save up to 15% when you buy moreameribox (160,383) 98%Free shipping109 sold
- DC to DC Converter Voltage Regulator Buck Boost Converter Step Down/Up ModuleOpens in a new window or tabBrand New$13.29 to $33.24Save up to 12% when you buy moreWas: $14.99 5% offmalongli3115 (22,418) 100%Free shipping
- 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 (302,473) 98.2%Free shipping94+ 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 (1,438) 99.3%Free shipping
- 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 (175,208) 98%Free shipping1,159 sold
- 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 (3,605) 100%Free returnsAlmost gone122 sold
- Converter Step Down Volt Module Power Supply 12V to 6V DC 18W 3A Waterproof USOpens in a new window or tabBrand New$9.58Save up to 7% when you buy moretan-alex (17,580) 99.3%Free shippingFree returns31 sold
- 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 (160,383) 98%Free shipping68+ sold
- 300W 20A DC-DC Buck Converter Step Down Module Adjustable Charger Board PSOpens in a new window or tabBrand New$8.36Extra 5% off with couponWas: $8.80 5% offTop Rated Pluseelectronicparts (24,527) 99.6%+$5.35 shippingFree returns120 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 (2,975) 99%Free shipping
- 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 $12.34Save up to 15% when you buy moreWas: $10.99 5% offmalongli3115 (22,418) 100%Free shipping210+ sold
- 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 (37,651) 100%Free returns2,412 sold
- 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 (225,161) 97.8%Free shipping515+ sold
- 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 (19,603) 98.7%+$1.95 shippingfrom China406 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 (1,438) 99.3%Free shippingFree returns
- 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 (175,208) 98%Free shipping702 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 (526,054) 99.3%Free shippingFree returns160+ sold
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator ModuleOpens in a new window or tabBrand New$13.27alice1101983 (569,852) 99.5%Was: $14.42 8% offFree shipping
- 10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$8.99Save up to 10% when you buy moreWas: $9.99 10% offjacobsparts (420,843) 99.7%Free shippingFree returns3,109 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 (5,229) 98.5%Free shipping
- 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 (3,605) 100%Free returns48+ sold
- DCDC 12V To 6V 3A 18W Buck Stepdown Converter Regulator Power Automotive ModulesOpens in a new window or tabBrand New$8.70branddiscount (11,937) 98.2%Was: $9.35 7% offFree shippingfrom China
- 10x LM2596S DC/DC Voltage Regulator Buck Converter Power Supply Step-Down ModuleOpens in a new window or tabBrand New$13.99Save up to 10% when you buy moreTop Rated PlusFree shippingheyu2023 (900) 99.9%Free returns
- 1PC 24V/36V Step Down to 15V 15A 225W New Waterproof DC/DC Converter RegulatorOpens in a new window or tabBrand New$15.15sw.store (324) 99.1%Free shippingfrom China
- XL6009 3A DC Buck Step Up Down To Adjustable Voltage Power ConverterOpens in a new window or tabBrand New$3.75miniduino (302,473) 98.2%Free shipping774 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 (526,054) 99.3%Free shippingFree returns296+ 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 (872,157) 99.9%Free shippingFree returns95 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 (66,826) 98%Free shippingFree returns
- 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 (241,446) 97.9%Free shipping393 sold
- LM317 DC-DC Converter Adjustable Linear Regulator Step Down Circuit Board PowerOpens in a new window or tabBrand New$1.25Extra 5% off with couponWas: $1.79 30% offTop Rated Pluseelectronicparts (24,527) 99.6%+$5.35 shippingFree returns378 sold
- AC DC Converter Switching Power Supply Module Circuit AC 110V 220V DC 12V 3A 36WOpens in a new window or tabBrand New$12.49 to $15.49Save up to 20% when you buy moreTop Rated PlusFree shippingvlidscrom (3,605) 100%Free returns29+ sold
- DC-DC 12/24V Step Down or Step Up Power Converters Waterproof Voltage RegulatorsOpens in a new window or tabBrand New$5.95 to $24.95Save up to 15% when you buy moreTop Rated Plus+$3.45 shippinglighthouse-usa (227,174) 99%Free returns
- 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 (302,473) 98.2%Free shipping165 sold
- 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 (3,205) 99.7%+$0.91 shippingfrom China1,453 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 (7,859) 99.7%+$1.99 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 (208,496) 98.8%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 (37,651) 100%Free returns1,506 sold
- 8.5-50V to 10-60V Step Down Module DC-DC 300W 20A Step-down Buck ConverterOpens in a new window or tabBrand New$11.14Save up to 15% when you buy morerhiajoy-34 (324) 96.7%Free shipping
- 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 (74,142) 99.5%Was: $3.99 20% offFree shipping3,629 sold
- DC6-100V to DC5V/9V/12V/24V 2A Step Down Voltage Regulator Power Supply ModuleOpens in a new window or tabBrand New$2.99Save up to 5% when you buy moremodulesworld2022 (2,975) 99%+$2.99 shipping
- 5A Adjustable DC-DC Step Down Power Supply Voltmeter Heatsink Standoffs XL4015Opens in a new window or tabBrand New$4.55jacobstoner (74,142) 99.5%Was: $5.99 24% offFree shipping116 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 (900) 99.9%Free returns
- 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 (460,535) 99.5%Free shippingFree returns
- 12V to 5V Buck Converter 24V to 12V Step Down Regulator 24V to 5V DC-DC ReducerOpens in a new window or tabBrand New$10.99 to $12.98Save up to 10% when you buy moremalongli3115 (22,418) 100%Free shipping
- 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$11.87Save up to 10% when you buy moregreatgoodshop (78,691) 98.8%Free shipping1,125 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 (29,710) 99.4%+$3.75 shippingfrom ChinaFree 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 (37,651) 100%Free returns745 sold
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module NEWOpens in a new window or tabBrand New$14.49miniduino (302,473) 98.2%Free shipping385 sold
- 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 (7,601) 99.2%Free shipping912 sold
- 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 (369) 99.3%Free shipping
- XL4015 36V 5A DC Buck Step Down Voltage Converter Constant Current Power ModuleOpens in a new window or tabBrand New$3.99Save up to 20% when you buy moreWas: $4.99 20% offjacobstoner (74,142) 99.5%Free shipping1,337 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 (420,843) 99.7%Free shippingFree returns1,767 sold
- HQRP DC-DC Step Down Converter 24V to 12V 10A 120W Power Adapter RegulatorOpens in a new window or tabBrand New$9.95Save up to 15% when you buy moreTop Rated Plus+$4.45 shippinghqrp-us (206,742) 98.9%Free returns
- 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 (30,679) 100%Free returns104 sold
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator ModuleOpens in a new window or tabBrand New$15.99 to $18.49Save up to 10% when you buy moresunnylives (54,296) 97.3%Free shipping
- 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 (160,383) 98%Free shipping252 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$1.69jacobstoner (74,142) 99.5%Was: $1.99 15% offFree shipping1,230 sold
- XL4015 5A DC Buck Step Down Power Converter Voltage Current & LED Voltmeter USBOpens in a new window or tabBrand New$8.99Save up to 10% when you buy morejacobsparts (420,843) 99.7%Free shippingFree returns1,063 sold
- Boost Buck DC-DC adjustable step up down Converter XL6009 Module Solar VoltageOpens in a new window or tabBrand New$3.99gravity_standard (169,363) 95.8%Free shipping
- 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 (175,208) 98%Free shipping336 sold
- DC-DC 12V to 3.3V 5V 9V 2.5A Step-down Converter DC Buck Power Supply Module USOpens in a new window or tabBrand New$4.99Save up to 5% when you buy moremodulesworld2022 (2,975) 99%+$2.99 shipping
- DC-DC 10A Step down Module Constant Voltage Current Adjustable Buck ConverterOpens in a new window or tabBrand New$5.16modulefans (115,375) 99.1%+$2.99 shippingFree returns
- 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 (1,589) 98.8%+$2.99 shippingfrom ChinaFree returns
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module NEWOpens in a new window or tabBrand New$14.95Save up to 10% when you buy moreeshippers (225,161) 97.8%Free shipping78 sold
- DC-DC Buck Step Down Volt Converter 20V-55V 24V 36V 48V to 12V 3A Car WaterproofOpens in a new window or tabBrand New$5.99 to $8.99blacktech*life (6,972) 98.1%Free shippingfrom ChinaFree returns52+ sold
- Power Converter Regulator DC 24V Step-Down to DC 12V 60A 720W WaterproofOpens in a new window or tabBrand New$61.38Save up to 10% when you buy moreWas: $64.61 5% offgadgetszone (56,685) 99.2%Free shipping238 sold
- DC24V To DC12V 30A Step Down Power Supply Converter Regulator Module WaterproofOpens in a new window or tabBrand New$23.99giraffa599 (723) 99.4%Free shipping89 sold
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