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The Best 3V 250Ma Adapter of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 3V 250Ma Adapter of 2022. Check our ranking below.

2,893 Reviews Scanned

Rank No. #1
Nature's Mark Premium External Energy Saver Adapter 3v 250mA AC/DC, Plug Tip: 5.5mm x 2.1mm, 7ft (2m) Cord.
Nature's Mark Premium External Energy Saver Adapter 3v 250mA AC/DC, Plug Tip: 5.5mm x 2.1mm, 7ft (2m) Cord.
  • Output: 0.25A / 3V output
  • Input: 100-240 V AC
  • Plug Tip: 5.5mm x 2.5mm
  • Cord Length: 200 cm (about 7 ft)
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SaleRank No. #2
3V 1Amp Power Adapter Supply 100-240 AC to DC 3Volt 1000mA 5.5mmx 2.5mm Plug 3V 1A AC/DC Power Supply Transformer
3V 1Amp Power Adapter Supply 100-240 AC to DC 3Volt 1000mA 5.5mmx 2.5mm Plug 3V 1A AC/DC Power Supply Transformer
  • Package included ：1x 3V 1A power supply adapter .
  • Input: 100-240 V AC 50/60 Hz;Output:DC 3V 1A(1000mA) , max. such as 160mA 250mA 300mA 450mA 0.5A 0.85A 1A, We recommend to use less than 80% of the full load. DO NOT OVERLOAD! Cord Length: about 100cm
  • Warning： Please check the DC socket type, power consumption(must not exceed the Max output of the adapter), polarity of the device before ordering, or it may cause problem or damage the device.
  • DC plug size: 5.5mmx2.5mm(5.5mmx2.1mm compatible) ; Inside diameter is positive +,outer diameter is negative - ;(Please note: The positive and negative poles must not be wrongly connected, as this will cause the equipment to not work .)
  • Application:Used for set-top boxes, attendance machines, routers, game consoles, repeater, players, mini speakers, headphones,Security equipment, LED lamps, communication equipment, audio-visual products, digital products .
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Rank No. #3
3V 1A 0.8A 0.5A Charger AC Adapter Multi Jacks Universal 3 Volt Switching Adaptor Regulated DC 3.0V 1.0A 0.6A 1000mA 800mA 500mA 300mA Power Supply Transformer Plug 6FT Long Cord UL Listed
3V 1A 0.8A 0.5A Charger AC Adapter Multi Jacks Universal 3 Volt Switching Adaptor Regulated DC 3.0V 1.0A 0.6A 1000mA 800mA 500mA 300mA Power Supply Transformer Plug 6FT Long Cord UL Listed
  • UL LISTED 3V 1A 0.8A Power Cord, Energy Efficiency VI, Regulated 3.0V Power Adapter Tested & Approved and Certified by UL, Replacement Power adapter build in short circuit/Over current/Over voltage/Over temperature protection, Safe charging for your 3V 1A input devices
  • 3 Volt 1A 0.8A 0.5A Switching Power Supply, DC 3W Max, Power supply works for various of devices which ask for a less than 3.0V 1A 3.0W power adaptor, Such as 3V 1000mA, 900mA, 850mA, 800mA, 700mA, 650mA, 600mA, 500mA, 450mA, 400mA, 300mA, 200mA, 100mA, 1A, 0.9A, 0.8A, 0.7A, 0.6A, 0.5A, 0.4A, 0.3A, 0.2A, 0.1A transformer charger
  • DC Polarity: Inner Positive(+), Outter Negative(-), Input AC 100-240V - 50/60Hz, Worldwide input voltage range, US standand wall plug, 6FT/1.8M extra long enough power cord
  • Interchangeable Multi Jacks - Selected 10pcs various popular connectors which can be used for most of your 3V DC devices, DC Jack Dimensions: 6.3*3.0, 5.5*2.1, 5.5*2.5, 4.8*1.7, 4.0*1.7, 3.5*1.35, 3.0*1.1, 2.5*0.7, 6.0*4.4 with pin inside, 5.0*1.0 with pin inside, DIY connector, ⚠️Please DOUBLE CONFIRM the DC jack dimensions to ensure the compatibility
  • What You Get: 1 x 3V 1A max AC/DC class 2 universal power adapter, 10 x Interchangeable DC jacks, 30 days refund, 12 months exchange, ⚠️ Please DOUBLE CONFIRM the DC jack dimensions to ensure the compatibility
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SaleRank No. #4
MTYTOT 3 Volt 1A Power Supply 3W Power Adapter 100-240V AC to DC 3 Volt 1amp 0.8A 0.5A 450mA Converter Transformer Plug TIP: 5.5mm x 2.5mm
MTYTOT 3 Volt 1A Power Supply 3W Power Adapter 100-240V AC to DC 3 Volt 1amp 0.8A 0.5A 450mA Converter Transformer Plug TIP: 5.5mm x 2.5mm
  • Input: 100-240 V AC 50/60 Hz;Output:DC 3V 1A(1000mA) ;such as 160mA 250mA 300mA 450mA 0.5A 0.85A 1A We recommend to use less than 80% of the full load. DO NOT OVERLOAD!
  • This 3V 1A Power Supply will be used for 3V devices less than 3W, such as mini fountain,Mini Fan, Speaker,3V LED light strings, USB-HUB Electric Toothbrush and more DC 3V 1A Devices.
  • DC output port outer diameter is 5.5mm, inner diameter is 2.1/2.5mm. 5.5mm x 2.1mm Plug Power Cord. Polarity is inside positive "+", outside negative"-", Power cord length: 3.3ft.Please kindly check your device model, output and plug size before buying, and would make sure that the size of the plug of the adapter can match your devices.
  • Multiple Protections with smart chip to ensure the safety and stability: automatically over temperature cut-off, short-circuit cut-off, under-voltage protection, over voltage cut-off and over-current cut-off.
  • Buy with confidence and 24-hours online service, 45 days money back guarantee and 12 months warranty, lifetime technical support. Please feel free to contact with us for any questions.We always stand behind our product. If any, a full refund / replacement free would be available and return is not necessary(In order not to cause you trouble, one email to us is OK).
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Rank No. #5
MTYTOT 5PCS 3V 1Amp Power Adapter Supply 100-240 AC to DC 3Volt 1000mA 2.5mm X 5.5mm Plug 3V 1A AC/DC Power Supply Transformer (5 Pack)
MTYTOT 5PCS 3V 1Amp Power Adapter Supply 100-240 AC to DC 3Volt 1000mA 2.5mm X 5.5mm Plug 3V 1A AC/DC Power Supply Transformer (5 Pack)
  • Package included ：5x 3V 1A power supply adapter .
  • Input: 100-240 V AC 50/60 Hz;Output:DC 3V 1A(1000mA) ,3W max.; uch as 160mA 250mA 300mA 450mA 0.5A 0.85A 1A, We recommend to use less than 80% of the full load. DO NOT OVERLOAD
  • Cord Length: about 100cm
  • DC plug size: 5.5mmx2.5mm(5.5mmx2.1mm compatible) ;Inside (+), Outside (-).
  • Application:Used for set-top boxes, attendance machines, routers, game consoles, repeater, players, mini speakers, headphones,Security equipment, LED lamps, communication equipment, audio-visual products, digital products .
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Rank No. #6
MTYTOT 3V 1Amp 3W Power Supply Adapter AC 100V-240V to DC 3Volt 1Amp 0.7A 0.5A Wall Charger with 8TIPS for LED Lights Tabletop Fountain Mini Fan Speaker
MTYTOT 3V 1Amp 3W Power Supply Adapter AC 100V-240V to DC 3Volt 1Amp 0.7A 0.5A Wall Charger with 8TIPS for LED Lights Tabletop Fountain Mini Fan Speaker
  • Input: AC 100~240V, 50/60Hz; Output: DC 3V 1A 3W(Max). Polarity: Center Positive (+). Output current is 1A max it means that it can supply with all amperage which smaller than 1000mA, such as 200mA, 450mA, 0.5A, 0.6A, 0.85A 1A. We recommend to use less than 80% of the full load. DO NOT OVERLOAD!
  • Universal ac adapter comes with 8x DC Plugs: You can DIY adapter projects and use for more 3V home electronics. Tips dimensions:5.5x2.1mm,5.5x2.5mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm, Micro-USB, Type-C, terminal connector. which expands the application range of the adapter to a greater extent. Please reconfirm the DC jack size before purchase and use to ensure compatibility.
  • Multiple Protections with smart chip to ensure the safety and stability: automatically over temperature cut-off, short-circuit cut-off, under-voltage protection, over voltage cut-off and over-current cut-off. The products adopt the industry's top materials and processes, flame retardant shell resistant to high temperature of 1382℉, premium-quality components and safe&reliable power cord. Gives a safe charging.
  • This power adapter would meet your 90% power need for 3V household and office electronics, like LED lamps Mini Fan, Speakers, Electric Toothbrush, Fountain , electrical toys, games consoles, Router, set-top boxes, attendance machines, routers, repeater, players, mini speakers, headphones, security equipment, LED lamps, and more 3V devices.
  • We provide 12 months warranty and lifetime technical support for our products. If you encounter any problems during use, you can contact us in time through the Amazon platform or email, and we will solve it as soon as possible. If you have any questions about the product, please feel free to contact us before returning. We always support and provide excellent after-sales support!Portable,Wireless
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SaleRank No. #7
3 Volt 1 Amp Power Supply 3W 3Volt 1Amp AC/DC Adapter 100-240V 50-60Hz to DC 3V 1A Power Adapter Supply, for Mini Fan, Speakers, Electric Toothbrush, Fountains etc.
3 Volt 1 Amp Power Supply 3W 3Volt 1Amp AC/DC Adapter 100-240V 50-60Hz to DC 3V 1A Power Adapter Supply, for Mini Fan, Speakers, Electric Toothbrush, Fountains etc.
  • Input: 100V-240V 50/60Hz; Output: DC 3V, 1A (1000mA) 3W Max.; Works with device that draws less than 1A, such as 0.2A, 0.5A, 0.8A, 1A
  • DC 3V 1A Power Supply will be used for 3V devices less than 3W, such as Mini Fan, Speakers, Electric Toothbrush, Fountains and more DC 3V 1A Devices.
  • DC 3V Power Cord with 5.5mm x 2.5mm Plug. DC output port OD is 5.5mm, ID is 2.5mm. The polarity of inside is Positive [+], outside is Negative [-]. Please kindly check your device model, output and plug size before buying, and would make sure that the size of the plug of the adapter can match your devices.
  • Sufficient 3 Watts output power and stable 3 Volts output voltage will protect your electronic devices from destruction.
  • Multiple Protections with smart chip to ensure the safety and stability: automatically over temperature cut-off, short-circuit cut-off, under-voltage protection, over voltage cut-off and over-current cut-off.
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Rank No. #8
Arkare Universal Power Adapter Adjustable 12W AC/DC Power Supply AC 100-240V to DC 3-12V 3V 4.5V 6V 9V 12V 1A 800mA 500mA 300mA Switching Variable Power Charger with 15 Tips + Polarity Converter
Arkare Universal Power Adapter Adjustable 12W AC/DC Power Supply AC 100-240V to DC 3-12V 3V 4.5V 6V 9V 12V 1A 800mA 500mA 300mA Switching Variable Power Charger with 15 Tips + Polarity Converter
  • 12W multi voltage universal power adapter would meet your 90% power need for 3-12V small household and office electronics, like portable bluetooth, wireless receivers, electrical toys, classic radio,battery chargers, Christmas light decoration, games consoles, kids 4 wheeler, GPS, DVR, webcam, speaker, CCTV camera, speaker, lan phones, USB Hubs, laptop cooler, external speaker, 5V 12V LED strips Lights and more.
  • Variable Power Supply: Input: AC 100~240V, 50/60Hz; Output: DC 3~12V Adjustable, Max 1A 12W. The variable voltage is easy to select. You can easily switch to different voltages by turning the built-in button with the provided key, such as 3V 4V 4.5V 5V 6V 9V 12V 1A 0.5A 0.8A 1000mA 800mA 500mA 300mA 100mA. One adapter for multiple device.
  • Universal ac adapter equipped with a reverse polarity converter. Our DC plug polarity: inner positive(+), outer negative(-). When your power interface is opposite polarity, such as piano keyboard, guitar multi effects pedal... you can use this reverse polarity converter, which expands the application range of the adapter to a greater extent.
  • Universal ac adatper comes with 15x DC Plugs: Type-C, Micro-USB, DC terminal connector, 6.5x4.4mm+Pin, 5.5x2.1mm, 5.5x3.0mm+Pin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 3.5mm Mono and 2.5x0.7mm. The different size tips fit for various electric appliances well.
  • Package includes : 1 x 3-12V 12W universal ac/dc adapter, 15 x DC tips, 1 x reverse polarity converter. Built-in multiple safety protection systems and safe to use. If you have any questions about the product, please feel free to contact us before returning. We always support and provide excellent after-sales support!
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Rank No. #9
MTYTOT 2PCS 3V 1Amp Power Adapter Supply 100-240 AC to DC 3Volt 1000mA 0.8A 450mA 2.5mm X 5.5mm TIP Transformer Adapter for LED Lights Tabletop Fountain, Replacement 2AA's in Small Devices
MTYTOT 2PCS 3V 1Amp Power Adapter Supply 100-240 AC to DC 3Volt 1000mA 0.8A 450mA 2.5mm X 5.5mm TIP Transformer Adapter for LED Lights Tabletop Fountain, Replacement 2AA's in Small Devices
  • 【 Input】: AC 100V-240V 50/60Hz; Output: DC 3V, 1A 3W MAX; DC plug size is 5.5mm x 2.5mm. Compatible with 5.5mmx2.1mm. Polarity is inside positive "+", outside negative"-", Power cord length: 3.2ft
  • 【Universal Adapter】 Works well with most of devices that draws less than 1A@3V, such as 200mA, 450mA, 0.5A, 0.6A, 0.85A. We recommend to use less than 80% of the full load. DO NOT OVERLOAD!
  • 【Wide Application】 Widely used in set-top boxes, attendance machines, routers, game consoles, repeater, players, mini speakers, headphones,Security equipment, LED lamps, communication equipment, audio-visual products, etc.
  • 【High Quality】 automatic overload cut-off, over-voltage cut-off, automatic thermal cut-off, short circuit protection.
  • 【Support & Reassurance】Buy with confidence and 24-hours online service, 45 days money back guarantee and 12 months warranty, lifetime technical support. Please feel free to contact with us for any questions.
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Rank No. #10
Belker 12W 3V 4.5V 5V 6V 7.5V 9V 12V Adjustable Voltage Universal AC/DC Adapter Power Supply for Household Electronics,Micro USB - 1A Max. [BN]
Belker 12W 3V 4.5V 5V 6V 7.5V 9V 12V Adjustable Voltage Universal AC/DC Adapter Power Supply for Household Electronics,Micro USB - 1A Max. [BN]
  • This adapter is with 8 different size adapter plugs which fit for your electronics well and solve your various problems.
  • AC Input: 100V 120V-240V 50/60Hz, Output: Multi Voltage DC 3V 4.5V 5V 6V 7.5V 9V 12V 1000mA Max(compatible with less than 1 A, like 100ma 200ma 500ma 800ma amps
  • This AC/DC adapter can apply to most appliances which the input voltage is between 3V and 12V and the rating power is equal to or less than 12 Watt.
  • Important Note: The adapter DC plug polarity is center positive "+". Please ensure it is same with your devices before buying. If your device is with centre negative polarity "-", please use it with Belker polarity reversed cable together. Search "B07PMHMPMP" to find the cable on Amazon.
  • Package Included: 1 x Power adapter, 1 x DC plugs kit, 1 x switch key, 1 x manual, 1 x 12-month global warranty.
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Last update on 2024-04-23 / Affiliate links / Images from Amazon Product Advertising API

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