35,000+ results for step down power
- 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 (161,107) 97.9%
- Synchronous Buck Converter Step-down Power Module DC8-60V TO DC1-36V 15A 200WOpens in a new window or tabBrand New$8.67 to $47.74Was: $53.0410% offFree shippingFree returnsSave up to 5% when you buy moreworldchips (190,442) 99.1%
- 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 returns794 soldSave up to 10% when you buy morenix.sun (19,432) 100%
- Step-Down Power Supply 24V To 12V 60A Non-Isolated DCOpens in a new window or tabNew – Open box$54.99Free shippingbrmcca46 (189) 98.1%
- 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 (74,349) 99.5%
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module NEWOpens in a new window or tabBrand New$14.49Free shipping110 soldSave up to 15% when you buy moreameribox (161,107) 97.9%
- 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 China150 soldbma2025 (923) 100%
- 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 (247,317) 98.5%
Picked For You
Sponsored | Top selling items from highly rated sellers with free shipping- 5A Adjustable DC-DC Step Down Power Supply Voltmeter Heatsink Standoffs XL4015Opens in a new window or tabBrand New$5.99Free shipping124 soldjacobstoner (74,349) 99.5%
- 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 shipping707 soldSave up to 10% when you buy morecustom-sign (175,806) 98%
- 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$3.99Free shipping285 soldSave up to 10% when you buy moreeshippers (225,777) 97.8%
- 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 (74,349) 99.5%
- 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 (208,726) 98.8%
- 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 shipping431 soldSave up to 10% when you buy moregadgetszone (56,822) 99.2%
- 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 (1,450) 99.3%
- Step Down Power Converter 24 Volt Buck to 12 Volt Voltage Regulator DC 20-30AOpens in a new window or tabBrand New$35.33 to $39.20Was: $44.5512% offFree shippingfrom China13+ watchersaudosta (444) 99.6%
- 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 shipping1,161 soldSave up to 10% when you buy morecustom-sign (175,806) 98%
- 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 (247,317) 98.5%
- 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 (225,777) 97.8%
- 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 returns2,419 soldSave up to 20% when you buy moreTop Rated Plusenvistia (37,739) 100%
- 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 returns99 soldSave up to 7% when you buy moretheperfectpart (873,671) 99.9%
- 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 shipping916 soldSave up to 15% when you buy morekylinwongllc (7,614) 99.2%
- 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 (569,999) 99.5%
- 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 (303,586) 98.1%
- 10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$9.99Free shippingFree returns3,110 soldSave up to 10% when you buy morejacobsparts (421,046) 99.7%
- 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 shipping176+ soldminiduino (303,586) 98.1%
- 2pcs XL4015 5A DC Buck Step Down Voltage Converter Constant Current Power ModuleOpens in a new window or tabBrand New$8.99Free shippingFree returns969 soldSave up to 10% when you buy morejacobsparts (421,046) 99.7%
- **5 units** DC-DC 3A Buck Adjustable Step-down Power Supply Converter ModuleOpens in a new window or tabBrand New$14.95Free shippingallamandi (5,727) 99.1%
- Voltage Regulator DC 8V-40V to 12V 6A 72W Step Down/Up Reducer Power ConverterOpens in a new window or tabBrand New$25.99Free shippingSave up to 5% when you buy moremalongli3115 (22,429) 100%
- 18V to 12V Step Down Converter for Milwaukee M18 Power Wheels Battery Adapter DOpens in a new window or tabBrand New$44.99Free 2-3 day shippingFree returnsmyjob53 (3,667) 97.6%
- Power Converter Regulator DC 24V Step-Down to DC 12V 60A 720W WaterproofOpens in a new window or tabBrand New$61.38Was: $64.615% offFree shipping238 soldSave up to 10% when you buy moregadgetszone (56,822) 99.2%
- 1/10pcs DC-DC Adjustable Power Supply Step Down Module PSU Buck Converter 3V-35VOpens in a new window or tabBrand New$2.50 to $18.83Free shippingfrom Chinaglsuperiorproduct (1,021) 98.5%
- 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 (460,810) 99.4%
- 4/2Pcs LM2596S DC-DC 3A Step-Down Buck Power Supply Converter Module AdjustableOpens in a new window or tabBrand New$9.48 to $13.48List price: $17.9825% offFree shippingFree returns160+ soldSave up to 10% when you buy moreTop Rated Plusnsioutlet (526,752) 99.3%
- 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 (526,752) 99.3%
- 20pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$13.95Free shippingSave up to 20% when you buy morewildware (376) 99.4%
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module NEWOpens in a new window or tabBrand New$14.49Free shipping386 soldminiduino (303,586) 98.1%
- 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 shipping337 soldSave up to 10% when you buy morecustom-sign (175,806) 98%
- Power Converter Regulator DC 48V Step-Down to DC 12V 30A 360W WaterproofOpens in a new window or tabBrand New$38.57Was: $40.605% offFree shipping114 soldSave up to 10% when you buy moregadgetszone (56,822) 99.2%
- 18V to 12V Step Down Converter for Milwaukee M18 Power Wheels Battery Adapter DCOpens in a new window or tabBrand New$44.99Free 2-3 day shippingFree returnsmyjob53 (3,667) 97.6%
- Car Waterproof DC-DC Converter 12V Step Down to 5V Power Supply Module 3A 15WOpens in a new window or tabBrand New$6.75Free shipping255 soldSave up to 10% when you buy moreameribox (161,107) 97.9%
- 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 shipping216 soldmeditechny (255,197) 98.8%
- 10x LM2596S DC-DC 3A Buck Adjustable Step-down Power Supply Converter ModuleOpens in a new window or tabBrand New$11.89Free shipping80 soldnypc-tech (129,762) 99%
- Mini560 Step-Down Stabilized Voltage Power Supply Module DC-DC Output 5V BuckOpens in a new window or tabBrand New$1.61Was: $1.7910% off+$5.35 shippingFree returns190 soldExtra 5% off with couponTop Rated Pluseelectronicparts (24,580) 99.6%
- DC to DC Step Down Power Regulator 48V 60V 72V to 12VOpens in a new window or tabBrand New$13.99Free shipping114 soldzipa_q (5,387) 97.9%
- 24V / 12V To 5V 5A Power Module DC-DC Step-Down Power Supply ConverterOpens in a new window or tabBrand New$6.95Free shipping203 soldSave up to 15% when you buy morecustom-sign (175,806) 98%
- XL4015 5A DC Buck Step Down Power Converter Voltage Current & LED Voltmeter USBOpens in a new window or tabBrand New$8.99Free shippingFree returns1,063 soldSave up to 10% when you buy morejacobsparts (421,046) 99.7%
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module NEWOpens in a new window or tabBrand New$14.49Free shipping261 soldSave up to 15% when you buy morecustom-sign (175,806) 98%
- 5pcs 24W USB QC 3.0 Fast Charge Step-down Buck Module Power 12V 24V DC InputOpens in a new window or tabBrand New$9.23Was: $13.9934% offFree shipping211 soldSave up to 10% when you buy morejacobsparts (421,046) 99.7%
- DC24V To DC12V 30A Step Down Power Supply Converter Regulator Module WaterproofOpens in a new window or tabBrand New$22.79Was: $23.995% offFree shipping89 soldgiraffa599 (733) 99.4%
- 12V to 3V 3A Step-Down Waterproof Miniature DC-DC Converter Power Supply ModuleOpens in a new window or tabBrand New$6.89Free shippingFree returns1,043 soldSave up to 20% when you buy moreTop Rated Plusenvistia (37,739) 100%
- Hight power 1000W 50A Voltage Step-down Buck Converter Module 25~90V to 2.5~50VOpens in a new window or tabBrand New$31.99Was: $34.778% offFree shippingSave up to 8% when you buy morealice1101983 (569,999) 99.5%
- 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 China1,457 soldextendtrade (3,211) 99.7%
- 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 returns1,507 soldSave up to 20% when you buy moreTop Rated Plusenvistia (37,739) 100%
- 5 x LM2596S DC-DC 3A Buck Converter Adjustable Step-Down Power Supply LM2596 DIPOpens in a new window or tabBrand New$4.45Was: $4.9410% off+$5.35 shippingFree returnsAlmost gone29 soldExtra 5% off with couponTop Rated Pluseelectronicparts (24,580) 99.6%
- 10PCS LM2596S DC-DC Power Supply Step Down Buck Voltage Converter Module 3A USOpens in a new window or tabBrand New$10.87Free shippingFree returnsSave up to 5% when you buy morex-modules-x (1,627) 98.8%
- 10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12VOpens in a new window or tabBrand New$7.98Free shipping136 soldminiduino (303,586) 98.1%
- Power Converter Regulator DC 12V 24V Step-Down to DC 6V 10A 60W WaterproofOpens in a new window or tabBrand New$18.15Was: $19.115% offFree shipping206 soldSave up to 10% when you buy moregadgetszone (56,822) 99.2%
- 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 returns746 soldSave up to 20% when you buy moreTop Rated Plusenvistia (37,739) 100%
- Car Power Supply Step-Down Transformer 24V To 12V Converter 10A 15A 20A 30A OutpOpens in a new window or tabBrand New$15.99 to $18.18Was: $18.8310% offFree shippingBuy 1, get 1 21% off with couponhappouy (266) 97.8%
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator ModuleOpens in a new window or tabBrand New$15.19 to $17.57Was: $15.995% offFree shippingSave up to 10% when you buy moresunnylives (54,318) 97.2%
- 25A 600W DC-DC Adjustable Step-down Buck Converter Power Supply Module USOpens in a new window or tabBrand New$17.82Free shippingbingospace (1,480) 99.1%
- 2PACK DC 24v to 12v Step Down Converter Reducer Regulator 5A 60W Power SupplyOpens in a new window or tabBrand New$12.99Free shippingSave up to 11% when you buy morefenxiang (411) 99%
- 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 $12.99Free shipping211+ soldSave up to 15% when you buy moremalongli3115 (22,429) 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 (954) 99.8%
- Hight power 1000W 50A Voltage Step-down Buck Converter Module 25~90V to 2.5~50VOpens in a new window or tabBrand New$34.19Was: $35.995% offFree shippingSave up to 10% when you buy moresunnylives (54,318) 97.2%
- 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 (1,627) 98.8%
- LM317 DC-DC Converter Adjustable Linear Regulator Step Down Circuit Board PowerOpens in a new window or tabBrand New$1.25Was: $1.7930% off+$5.35 shippingFree returns378 soldExtra 5% off with couponTop Rated Pluseelectronicparts (24,580) 99.6%
- 18V to 12V Step Down Converter for Milwaukee M18 Power Wheels Battery Adapter DCOpens in a new window or tabBrand New$33.50Free shippingbabysupplyco (29) 100%
- 1/2/5/10PCS DC5V to DC3.3V Step Down Voltage Regulator Buck Power Supply ModuleOpens in a new window or tabBrand New$6.89 to $11.41Was: $12.015% offFree shippingSave up to 10% when you buy moresunnylives (54,318) 97.2%
- DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module NEWOpens in a new window or tabBrand New$14.95Free shipping78 soldSave up to 10% when you buy moreeshippers (225,777) 97.8%
- 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+$1.99 shippingcardsncoin (7,892) 99.8%
- 20V to 12V Step Down Converter for DeWalt 20V Power Wheels Battery Adapter DC...Opens in a new window or tabBrand New$39.00Free shipping9 watchersalkhanmaher (87) 100%
- DC/DC Buck Step-Down Module 60V to 48V 6A Power Supply Converter RegulatorOpens in a new window or tabBrand New$28.79Free shippingFree returnskg1coltd (7,444) 98.8%
- Power Converter Regulator DC 36V 48V Step-Down to DC 12V 120W 10A WaterproofOpens in a new window or tabBrand New$14.99Free shipping210 soldSave up to 20% when you buy moreduraforceinc (11,473) 99.5%
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