6,700+ results for 12v to 3v
- 12V to 3V 3A Step-Down Waterproof Miniature DC-DC Converter Power Supply ModuleOpens in a new window or tabBrand NewC $9.43Top Rated SellerTop Rated Sellerenvistia (37,635) 100%+C $75.21 shippingfrom United States1,042 sold
- Waterproof DC to DC buck Converter 12V to 3/3.3/3.7/5/6/9V Power Module SupplyOpens in a new window or tabBrand NewC $14.57moriomonline (21,451) 99.5%+C $8.32 shippingfrom United Kingdom245+ sold
- #DC12V To DC3.3V 3A 10W Step Down Power Supply Converter Regulator Module OKOpens in a new window or tabBrand NewC $20.12Top Rated SellerTop Rated SellerWas: C $21.64 7% offur5store (87,493) 99.2%Free shippingfrom China
- 12V to 3V 3A Step-Down Miniature DC-DC Converter Power Supply ModuleOpens in a new window or tabBrand NewC $9.44Top Rated SellerTop Rated Sellershengdao-7826 (399) 98%+C $4.38 shippingfrom China
- DIY AC to 3V 4.5V 6V 9V 12V Power Adapter AA AAA C D Size Battery EliminatorOpens in a new window or tabBrand NewC $15.55 to C $16.07Top Rated SellerTop Rated Sellerhu666_6 (467) 96.3%Free shippingfrom China
- 3.7V to 12V Mini DC-DC Boost Module Support 5V/8V/9V/12V OutputOpens in a new window or tabBrand NewC $0.99Top Rated SellerTop Rated Sellerhao2025 (329) 99.2%Free shippingfrom ChinaFree returns
- Mini DC-DC Buck Step-down Converter Adjustable Power Module 3.3V 3V 5V 9V 12V 3AOpens in a new window or tabBrand NewC $1.35Top Rated SellerTop Rated Sellerextendtrade (3,204) 99.7%+C $2.46 shippingfrom China1,443 sold
- DC-DC 12V TO 3.3V 5V 12V Step Down Power Supply Module Multi Output Voltage NewOpens in a new window or tabBrand NewC $4.30 to C $6.14Top Rated SellerTop Rated SellerWas: C $4.77 10% offworldchips (190,317) 99.1%+C $2.72 shippingfrom ChinaFree returns
- DC-DC 12V TO 3.3V 5V 12V Step Down Power Supply Module Multi Output VoltageOpens in a new window or tabBrand NewC $4.24 to C $6.06Top Rated SellerTop Rated SellerWas: C $4.61 8% offalice1101983 (569,832) 99.5%+C $3.35 shippingfrom ChinaFree returns
- Durable 12V To 3V 3A 9W Step Down Power Converter Black Color For AutomobileOpens in a new window or tabBrand NewC $11.19Top Rated SellerTop Rated Sellerkup226 (2,355) 98.4%+C $0.64 shippingfrom China
- DC 12V to 20000V High-Voltage Electrostatic Generator Negative Ion Generator USOpens in a new window or tabBrand NewC $10.75Top Rated SellerTop Rated Sellermodulefans (115,365) 99.1%+C $3.35 shippingfrom China182 sold
- DC Buck Converter 12V to 3/3.3/3.7/5/6/9V Waterproof Power Supply Module GPSOpens in a new window or tabBrand NewC $14.82ercxswr347 (49,692) 98.3%+C $6.32 shippingfrom Australia142+ sold
- 5-40V to 3V 3.3V 3.7V 5V 6V 7.5V 9V 12V DC-DC Buck Converter Power Supply ModuleOpens in a new window or tabBrand NewC $7.22Top Rated SellerTop Rated Sellercowramill (5,224) 98.5%+C $2.70 shippingfrom China
- 3.7V to 12V Mini DC-DC Boost Module Support 5V/8V/9V/12V OutputOpens in a new window or tabBrand NewC $0.99Top Rated SellerTop Rated Selleronlinebey (191) 99.4%Free shippingfrom ChinaFree returns
- Car Waterproof DC-DC Converter 12V Step Down to 5V Power Supply Module 3A 15WOpens in a new window or tabBrand NewC $9.23Top Rated SellerTop Rated Sellerameribox (160,287) 98%+C $14.83 shippingfrom United States252 sold
- Buck Step-down M309 Power Converter Module DC 12V 24V 48V 100V to 5V 1.5AmpOpens in a new window or tabBrand NewC $8.19Top Rated SellerTop Rated Sellerminiduino (302,355) 98.2%+C $14.80 shippingfrom United States165 sold
- Converter 12V Step Down To 3V 3A 15W Power Supply Module DC/DC NewOpens in a new window or tabBrand NewC $12.19Top Rated SellerTop Rated Sellerjmzcity2046 (183,690) 97.1%+C $0.60 shippingfrom China98 sold
- Waterproof Auto Vehicle Voltage Reducer DC-DC Buck Converter 12V to 3V - 9V USOpens in a new window or tabBrand NewC $14.08pink_arrow2020 (976) 99%+C $5.46 shippingfrom China
- 12V to 20000V 3.6V to 20KV DC High-Voltage Power Generator Boost Step-up ModuleOpens in a new window or tabBrand NewC $2.69 to C $10.63Top Rated SellerTop Rated SellerWas: C $2.93 8% offalice1101983 (569,832) 99.5%+C $3.35 shippingfrom China67+ sold
- DC-Jack 7-12V to 5V/3.3V Step-down Buck Converter Power Supply Module ArduinoOpens in a new window or tabBrand NewC $4.69Top Rated SellerTop Rated Sellershieldsfans (88,440) 98.9%+C $2.26 shippingfrom China120 sold
- Dual Output ±12V DC-DC Converter Step Up Boost Voltage 3V~5V to 12V ModuleOpens in a new window or tabBrand NewC $2.54Top Rated SellerTop Rated Sellerdevelopment1979* (10,489) 99.5%Free shippingfrom China
- DC-DC 12V to DC3.3-9V 2.5A Converter Step-down Converter DC Power Supply ModuleOpens in a new window or tabBrand NewC $4.52Top Rated SellerTop Rated Sellercowramill (5,224) 98.5%+C $2.47 shippingfrom China
- DC Converter 0.9V/3.3V to 5V/12V Boost Step UP Down 1.8-5V to 3.3V Power SupplyOpens in a new window or tabBrand NewC $3.26 to C $5.09Top Rated SellerTop Rated Sellershieldsfans (88,440) 98.9%+C $2.71 shippingfrom China85+ sold
- Universal Power Supply Adjustable Adapter 3V to 12V 30W With Multiple DC TipOpens in a new window or tabBrand NewC $25.99Top Rated SellerTop Rated Seller2006gns (103,010) 98.9%Free shippingFree returns69 sold
- Waterproof DC-DC 12V to 3.3V~9V 3A Car LED Converter Power Supply ModuleOpens in a new window or tabBrand NewC $6.32Top Rated SellerTop Rated Sellersunnylives (54,293) 97.1%+C $2.70 shippingfrom China
- Hot New 3V-12V AC to DC Adjustable Multi Voltage 30W Power Supply AdapterOpens in a new window or tabBrand NewC $20.88Top Rated SellerTop Rated SellerWas: C $21.98 5% offi_lizard (5,338) 96.6%Free shipping
- 12V/3.5A DC-DC Step Up Boost Voltage Converter Module 3V 3.3V 3.7V 5V To 12V LLIOpens in a new window or tabBrand NewC $9.82Top Rated SellerTop Rated SellerWas: C $10.34 5% offlanyydi.living (428) 98.2%Free shippingfrom China
- DC-DC 3V-12V to 19V-36V Adjustable Step-up Boost Power Supply Module LM2587Opens in a new window or tabBrand NewC $2.75Top Rated SellerTop Rated Sellerindustrial-mart (653) 99.2%Free shippingfrom ChinaFree returns
- XL4016 8A DC-DC 4V-38v to 3V 6V 9V 12V 24V LED Voltmeter Step Down Power ModuleOpens in a new window or tabBrand NewC $4.91 to C $6.14Top Rated SellerTop Rated SellerWas: C $6.83 10% offworldchips (190,317) 99.1%+C $2.72 shippingfrom ChinaFree returns
- 12V (8-23V) In To 3.3V Out 3A 10W DC-DC Waterproof Converter ModuleOpens in a new window or tabBrand NewC $9.43Top Rated SellerTop Rated Sellerenvistia (37,635) 100%+C $75.21 shippingfrom United States
- Waterproof DC-DC Converter 12V Step Down to 5V Power Supply Module 3A 15W BLACKOpens in a new window or tabBrand NewC $9.56Top Rated SellerTop Rated Sellerminiduino (302,355) 98.2%+C $14.84 shippingfrom United States663 sold
- DC-DC12V Step Up To 19V Voltage 3A 57W Power Supply Converter RegulatorOpens in a new window or tabBrand NewC $14.97Top Rated SellerTop Rated SellerWas: C $16.26 8% offxihan-hk2014 (6,603) 97.6%+C $16.29 shippingfrom ChinaFree returns
- DC/DC Converter Regulator 12V Step Up to 56V 170W 3A 12volt to 56volts 3a 56VOpens in a new window or tabBrand NewC $65.65Top Rated SellerTop Rated Sellerrcfuther (21,581) 97.3%+C $27.36 shippingfrom China
- DC-DC 5-24V To 0.93-18V 3V 3.3V 5V 9V 12V Adjustable Step-Down Voltage ConverterOpens in a new window or tabBrand NewC $5.44Top Rated SellerTop Rated Sellermotor_speaker-8 (4,089) 100%Free shippingfrom China
- 3V to 12V Adjustable 30W Universal Power Supply Adapter With Multiple DC TipsOpens in a new window or tabBrand NewC $25.99iliveinca (59,887) 98.3%Free shippingFree returns
- DC-DC Converter 12V-19V Set Up 12V-28V Durable Boost Regulator For Car, LaptopOpens in a new window or tab✅Long Time Service✅Durable✅Variety Of ApplicationsBrand NewC $20.52 to C $224.34tro4you (1,267) 100%Free shippingfrom China
- Adjustable AC To DC Power Supply 3V 5V 6V 9V 12V 15V 18V 24V 1A 2A 5A AdapterOpens in a new window or tabBrand NewC $11.42 to C $16.40Top Rated SellerTop Rated Sellerbuy-in-world (399) 99.1%+C $2.74 shippingfrom China60+ sold
- 3V 3.3V 3.7V 5V 9V to 12V Mini DC-DC Step Up Converter Voltage Regulator ModuleOpens in a new window or tabBrand NewC $1.35Top Rated SellerTop Rated Sellersurvy2014 (289,754) 99.6%+C $1.71 shippingfrom ChinaFree returns56 sold
- XL4015 AC/DC to DC Buck Step Down Volt Converter 3.3V 5V 12V 24V 4.5A RegulatorOpens in a new window or tabBrand NewC $8.82Top Rated SellerTop Rated SellerWas: C $9.29 5% offecdiystore (1,023) 99.8%Free shippingfrom China
- 1-10PCS DC-DC Boost Step up Power Converter Module 3~5.5V to 5V/8V/9V/12V 1A 10WOpens in a new window or tabBrand NewC $1.35 to C $12.30Top Rated SellerTop Rated Sellerworldchips (190,317) 99.1%+C $2.72 shippingfrom ChinaFree returns
- 2A DC-DC boost step up volt converter power supply 2V-24V to 3v5v6v9v12v1.YNOpens in a new window or tabBrand NewC $1.91Top Rated SellerTop Rated Selleryanz1520 (5,499) 97.3%Free shippingfrom China
- 12V To 3.3V 5V DC-DC Buck Step-down Power Supply Module 5.5X2.1MM BoardOpens in a new window or tabBrand NewC $1.20Top Rated SellerTop Rated Sellersunnylives (54,293) 97.1%+C $4.30 shippingfrom ChinaFree returns
- Universal AC to DC Power Supply Wall Plug Adapter 3V 4.5V 6V 7.5V 9V 12V 300mAOpens in a new window or tabBrand NewC $17.77Top Rated SellerTop Rated Sellerthemusicmasters (70,631) 99.6%+C $15.07 shippingfrom United States115 sold
- LM317 Adjustable Voltage Linear Regulator Step Down Module AC/DC to 5V 12V 24VOpens in a new window or tabBrand NewC $6.24Top Rated SellerTop Rated Sellerhello_alian (29,705) 99.4%+C $5.46 shippingfrom ChinaFree returns183 sold
- LED Driver Power Supply Transformer 100-220V to DC 3V 12V 24V 36V Lighting PartsOpens in a new window or tabBrand NewC $2.72 to C $6.48Top Rated SellerTop Rated Sellerfind_your_led (1,111) 98.1%+C $1.35 shippingfrom China106+ sold
- AC/DC to DC Buck Adjustable Step Down Converter 3.3V 5V 12V 24V Volt RegulatorOpens in a new window or tabBrand NewC $10.93Top Rated SellerTop Rated Sellerefans_studio (19,602) 98.8%+C $2.05 shippingfrom China406 sold
- ±12V Dual Output DC-DC Converter 3V~5V to 12V Step Up Boost Voltage Power ModuleOpens in a new window or tabBrand NewC $4.05Top Rated SellerTop Rated Sellerefans_studio (19,602) 98.8%+C $2.05 shippingfrom China
- DC 7.5V to 12V 3A 18W Adapter Converter Converter VoltageOpens in a new window or tabBrand NewC $10.92Top Rated SellerTop Rated SellerWas: C $11.61 6% offmotorsdeals_sfc (11,685) 97.6%Free shippingfrom China
- DC-DC 2.5V-15V to 3.3V/4.2V/5V/9V/12V Automatic Buck-Boost Module AUOpens in a new window or tabBrand NewC $1.93 to C $2.55Top Rated SellerTop Rated SellerWas: C $2.03 5% offdiy_smart (38,336) 97.2%+C $6.53 shippingfrom ChinaFree returns
- 4A DC-DC 3V-32V 12V to 5V-35V 24V Boost Converter Step Up Power Supply ModuleOpens in a new window or tabBrand NewC $3.01Top Rated SellerTop Rated Sellerwinwin-eshop (18,360) 98.9%+C $5.75 shippingfrom ChinaFree returns
- LED Display DC-DC Boost Converter Step up 3V-34V to 5V 9V 12V 24V Power SupplyOpens in a new window or tabBrand NewC $6.77Top Rated SellerTop Rated Sellerefans_studio (19,602) 98.8%+C $2.05 shippingfrom China
- AC 110/220V To DC 3.3/5/9/12/15/24V Switching Power Supply Board Isolated ModuleOpens in a new window or tabBrand NewC $7.69Top Rated SellerTop Rated SellerWas: C $8.10 5% offecdiystore (1,023) 99.8%Free shippingfrom China
- Mini DC-DC Buck Step-down Converter Adjustable Power Module 3.3V 3V 5V 9V 12V 3AOpens in a new window or tabBrand NewC $1.35Top Rated SellerTop Rated Sellermata*parts (3,363) 99.4%+C $2.46 shippingfrom China
- Digital LED DC-DC Boost Step-up Voltage Converter LM2577 3V-34V to 4V-35V 12V 3AOpens in a new window or tabBrand NewC $6.77Top Rated SellerTop Rated Sellerhello_alian (29,705) 99.4%+C $5.46 shippingfrom ChinaFree returns211 sold
- Mini DC-DC Boost Step Up Converter 3-6V 3.3V to 5V 6V 9V 12V Power Supply ModuleOpens in a new window or tabBrand NewC $2.39 to C $2.67Top Rated SellerTop Rated Sellerhello_alian (29,705) 99.4%+C $5.40 shippingfrom ChinaFree returns
- 2A DC-DC Boost Step Up Volt Converter Power Supply 3V-24V to 3.3V 5V 6V 9V 12VOpens in a new window or tabBrand NewC $1.35Top Rated SellerTop Rated Sellerhello_alian (29,705) 99.4%+C $5.46 shippingfrom ChinaFree returns131 sold
- Mini DC-DC Boost Step Up Converter Dual Output 3V-11V to ±12V Voltage RegulatorOpens in a new window or tabBrand NewC $2.68Top Rated SellerTop Rated Sellerhello_alian (29,705) 99.4%+C $5.46 shippingfrom ChinaFree returns65 sold
- ±5V ±9V ±12V ±15V ±24V Positive&Negative Dual Mini DC-DC Boost Step Up ConverterOpens in a new window or tabBrand NewC $3.99 to C $5.03Top Rated SellerTop Rated Sellerhello_alian (29,705) 99.4%+C $5.46 shippingfrom ChinaFree returns65+ sold
- 2A Mini DC-DC Boost Step Up Volt Converter 3V 3.3V 4.2V 5V 6V To 9V 12V 15V 19VOpens in a new window or tabBrand NewC $3.49 to C $3.67Top Rated SellerTop Rated Sellerhello_alian (29,705) 99.4%+C $5.46 shippingfrom ChinaFree returns
- Mini DC-DC Boost Step Up Converter 5V 6V 9V 12V to ±15V Dual Output Power ModuleOpens in a new window or tabBrand NewC $2.85Top Rated SellerTop Rated Sellerhello_alian (29,705) 99.4%+C $5.46 shippingfrom China
- 4A Mini DC-DC Boost Step-up Volt Converter 3V-12V to 3.3V 5V 6V 9V 12V 24V CCCVOpens in a new window or tabBrand NewC $8.91Top Rated SellerTop Rated Sellermotor_studio (1,583) 99.1%+C $2.67 shippingfrom ChinaFree returns
- 12V/24V to 3.3V 5A DC/DC Power Converter Regulator Module Step Down AdapterOpens in a new window or tabBrand NewC $14.95Top Rated SellerTop Rated SellerWas: C $19.94 25% off65639_szcp5km (10,365) 98.6%+C $3.01 shippingfrom ChinaFree returns
- AC-DC 220V to 5V 3.3V 12V 24V 5W 5V700mA Power Supply Step Down Buck ModuleOpens in a new window or tabBrand NewC $5.76 to C $7.15Top Rated SellerTop Rated Sellerzy-electronics (633) 98.6%Free shippingfrom China
- Mini DC-DC Boost Step Up Converter Dual Output ±5V ±9V ±12V ±15V Power SupplyOpens in a new window or tabBrand NewC $2.67 to C $2.85Top Rated SellerTop Rated Sellermotor_studio (1,583) 99.1%+C $2.05 shippingfrom ChinaFree returns
- DC-DC Buck-boost Converter Module 3V~15V To 1V~15V 5V 6V 9V 12V 700ma/5WOpens in a new window or tabBrand NewC $4.84Top Rated SellerTop Rated Sellerzy-electronics (633) 98.6%Free shippingfrom China
- New ListingBuckk Converters 12V 24V to 3V 2A Step Down Voltages Reducers SupplyOpens in a new window or tabBrand NewC $13.24Top Rated SellerTop Rated Sellersa56_5 (170) 99.4%Free shippingfrom China
- DC-DC Boost-Buck Regulator Converter 3-15V 3.3V 5V 9V to 12V Power Supply ModuleOpens in a new window or tabBrand NewC $3.90Top Rated SellerTop Rated Sellerhello_alian (29,705) 99.4%+C $5.46 shippingfrom ChinaFree returns
- 2A DC-DC Boost Step up Volt Converter Power Supply 2V-24V to 3V 5V 6V 9V 12V 19VOpens in a new window or tabBrand NewC $1.35Top Rated SellerTop Rated Selleralice1101983 (569,832) 99.5%+C $3.35 shippingfrom China160 sold
- AC-DC Converter Switching Power Supply Board AC 110V 120V 220V 230V to DC 12V 3AOpens in a new window or tabBrand NewC $5.73Top Rated SellerTop Rated Sellermotor_studio (1,583) 99.1%+C $2.05 shippingfrom ChinaFree returns
- DC DC Converter 12V-19V Step Up 12-28 Volt Durable Boost Regulator Car LaptopOpens in a new window or tabBrand NewC $37.19 to C $359.81Top Rated SellerTop Rated SellerWas: C $43.64 12% offginmega (391) 99.5%+C $5.34 shippingfrom China
- New Listing12V-24V to 3V 5A 15W Step Down Converter Power Supply Module Adapter ModulesOpens in a new window or tabBrand NewC $12.35Top Rated SellerTop Rated Sellersa56_5 (170) 99.4%Free shippingfrom China
- New ListingWaterproof DC to DC Power Converter 12V to 3/3.3/3.7/5/6/9V Power Module SupplyOpens in a new window or tabBrand NewC $13.91 to C $13.99Top Rated SellerTop Rated SellerWas: C $15.90 12% offcycloneboy99 (1,970) 96.2%Free shippingfrom China
- DC 12V to 20000V High-Voltage Electrostatic Generator Negative Ion Generator USOpens in a new window or tabBrand NewC $10.75Top Rated SellerTop Rated Sellerdiymoremodules (562) 98.7%+C $3.35 shippingfrom China
- Boost Buck Converter DC 8-40V-DC 12V 13.8V Solar Voltage Stabilizer RegulatorOpens in a new window or tabBrand NewC $34.90 to C $133.61Top Rated SellerTop Rated SellerWas: C $39.66 12% offginmega (391) 99.5%+C $5.34 shippingfrom China
- DC12V To DC3.3V 3A 10W Step Down Power Supply Converter Regulator Module OKOpens in a new window or tabBrand NewC $15.01Top Rated SellerTop Rated Sellerdealsforyou04 (38,403) 99%+C $3.02 shippingfrom China47 sold
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