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Top 10 9V 500Ma Center Positive Power Supply of 2020 – Consumer Guide & Reviews

SaleRank No. #1
UL Listed 9V AC/DC Power Adapter for Arduino/Schwinn Bike A10 A20 A40 220 430 Elliptical Trainer/Crosley Cruiser CR8005A - Center Positive 5.5x2.1mm Power Supply for UNO R3 - Only for Listed Model
  • Only Compatible for Listed Models, DOES NOT fits Pedals, Drum, Keyboards, Label makers and other equipment with power ports of negative-tip.
  • Range Compatible: 9V ( 100mA - 1500mA ) / Input: 100~240V / Extended Cord: 200cm ( 6.6ft ).
  • Life Saver: Power supply for Arduino UNO R3 / Elegoo, IEIK UNO R3 / MEGA 2560 / Schwinn A10 A15 A20 A25 A40 103 120 130 220 240 430 9v Schwinn Proform bike, elliptical machine, hybrid trainer / Crosley Cruiser Portable Turntable Record Player CR8005A CR8005A-BK CR8005A-BL CR8005A-GR CR8005A-OR CR8005A-PI. Works with most devices that use a 9V and less than 1500mA of power.
  • Certified Safe: Automatic overload / Thermal cut-off / Short circuit and Over voltage protection.
  • What You Get: 1 Pc Arduino Power Adapter / 12-month warranty and friendly customer service.
Rank No. #2
Gonine 9V Power Supply AC Adapter DC 500mA Charger Compatible with Casio Piano Keyboard, Boss Zoom Guitar Effects Pedals, Center Negative.
  • [Compatible With:] for Casio Piano Keyboard, Zoom Guitar Multi Effects Pedal, Other Popular Makes of Guitar Pedals, Such as Boss, DigiTech, Ditto, Donner, Dunlop Ibanez, Planet Waves, Snark, Vox Stomplab, JOYO, KLIQ, Korg, Marshall, Wah, Behringer. and other electronics requiring 9v tip negative.
  • [Application:] (Should be 9V & not exceed 4.5W) :This AC adapter allows you to power your Boss Electronic Guitar Multi-Effect Pedal, Tip negative piano keyboard; Compatible with Original AC Power Adapter.
  • [Safety Features:] High Efficiency and Reliability; Automatic Overload cut-off; FCC CE RoHS Safety Certificates Approved,Short Circuit & Over Voltage & Current Protection / Low Fever / No Noise.
  • [Product Size:] Polarity: Center Negative(-) design, 5.5mm x 2.5mm barrel connector. power cord length is 5.9Ft (1.8m).
  • [Product Specification:] World wide Input: AC100-240V 50/60Hz 0.35A MAX; Output: 9volt 500am; Power:4.5 Watts Max.
SaleRank No. #3
D'Addario Accessories PW-CT-9V DC Power Adapter – Minimize Need to Change Batteries on Pedalboard and Other Devices Requiring 9V – 500mA Max Current – Tip-Negative, Sleeve-Positive Power Supply
  • BATTERY-FREE PERFORMANCE – You won’t need to worry about dead batteries in your pedalboard ruining your performance when you use an AC-DC 9-Volt Power Adapter. You can ensure a consistent, battery-free performance when you directly power it.
  • VERSATILE - The adapter converts AC wall power to 9-Volt DC for powering most instrument pedals and other 9-volt battery devices. The D'Addario adapter can also be used to power tip-negative keyboards.
  • 500mA MAX CURRENT - The tip-negative, sleeve-positive power supply can deliver 500mA to fuel even your most power-hungry devices.
  • PRODUCT INFO - Input: 100-240VAC; Output: 9VDC, 500mA; Barrel size: 2.1mm; Polarity: Tip “-“; Cord Length: 72”; Available in NEMA, F plug and G plug types.
  • D’ADDARIO ACCESSORIES - For over 20 years, D’Addario Accessories (formerly Planet Waves) has been leading the industry in innovative and problem-solving products that serve musicians worldwide. D’Addario Accessories are proudly made in a state-of-the-art manufacturing facility to the most stringent quality controls in the industry.
Rank No. #4
9V AC/DC Power Supply Adapter 500ma (0.5 amps) 5.5 mm*2.1 mm Tip (5.5mm OD X 2.1mm ID) - AC to DC Electric Transformer Inverter for 9-Volt DC Electronic Devices Under 0.5a Slim Wall Plug & RED LED UL
  • UL 60950-1 Certified & ROHS Compliant - Standard DC Barrel Jack: 5.5mm x 2.1mm (5.5*2.1mm) - Top Positive (+) Polarity (Center Connector Positive, outside Negative) - Be sure to verify your device requires a 5.5mm x 2.1mm DC Barrel Jack & Center Positive Polarity - Not for Musical Devices or Any Other Requiring Center Negative Polarity
Rank No. #5
DC 9V 1A Power Supply Adapter, Plug 5.5mm x 2.1mm, Center Positive
  • Input voltage: AC 100-240V 50/60 Hz, Output: DC 9V 1A (1000mA)
  • Connector Size: 5.5mm x 2.1mm, Cable length: 2.0m (6.6 ft)
  • Works with Arduino UNO R3 / Nixie tube clock / Elegoo, IEIK UNO R3 / MEGA 2560 / Schwinn elliptical machine, A10 A15 A20 A25 A40 103 120 130 213 220 240 430, Schwinn bike
  • Power supply polarity: Center or Tip is positive (+), Sleeve is negative(-), ( DO NOT fit pedals, keyboards which requrie a power supply with center negative )
  • Warranty: 24 months and lifetime technical support, ETL listed, FCC
SaleRank No. #6
AC DC 9V 1A Power Supply Adapter 1000mA 5.5mm x 2.5m US Plug Wall Charger 1000mA Power Adapter 9 Volt for ADSL Router Arduino
  • Outoput: 9V 1A / Input: AC 100 - 240V / Cord Length: 3.6FT / 110cm
  • Connector size: 5.5mm x 2.5mm (Compatible plug 5.5mmx2.1mm Plug size) / Center Positive (Does not fits pedals, keyboards with power ports of negative-tip)
  • Compatibility with: 9V Security Camera, ADSL Router, Arduino CCTV,tools and electronic equipment,Works with most devices that use a 9V and less than 1000mA of power.
  • Note: It do not work for Boss, Planet Waves, Snark, Vox Stomplab, Donner, Dunlop Ibanez, JOYO, KLIQ, Korg, Marshall, Wah, Behringer, and other electronics requiring tip negative such as 9V 500mA Keyboard.
  • What You Get: 1 * DC 9V 1A Power Supply, 2 Year Warranty and friendly customer service. Please feel free to Contact us at any time.
SaleRank No. #7
[Inner Negative] SoulBay 3V 4.5V 5V 6V 7.5V 9V 12V Multi Voltage AC/DC Adapter Switching Replacement Power Supply with 8 Plugs for Tip Negative Effects Pedals Keyboards - 2A Max
  • INPUT:AC 100V-240V 0.25A 50/60Hz, Output: 3V/4.5V/5V/6V/7.5V/9V/12V, 2000mA max.
  • Universal AC to DC Plug-in Adapter, Power:30Watt, Tip Negative(-) design. Length of cable is 115cm/3.7 ft.
  • Works with most electronic gizmos need less than 2A current, such as 50ma 100ma 150ma 200ma 300ma 350ma 400ma 450ma 500ma 600ma 650ma 700ma 750ma 800ma 900ma 1000ma 1200mA 1500mA.
  • Eight detachable DC output plugs, so that it will fits 95% of AC/DC appliances. NOTE: DC Plug Polarity: center Negative(-), outer Positive(+), Polarity is irreversible.
  • Attention: If you are looking for an Opposite Polarity Charger, Please Search B01N2K48HR or www.amazon.com/dp/B01N2K48HR. We offer: 30-days hassle-free Return and 1-Year Replacement Exchange!
Rank No. #8
UpBright AC to 9V DC Adapter Compatible with Bench Scales 9.0V 500mA 0.1A-1A Power Supply Cord Charger 120V to 9VDC 100mA 1000mA 5.5mm x 2.1mm Tip Center Positive 9 V Universal Class 2 Transformer PSU
  • World Wide Input Voltage 100-240VAC 50/60Hz. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection). Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty.
  • UpBright New Global AC to 9V DC Adapter Compatible with 120 to 9VDC 100mA - 1000mA Outside Diameter OD: 5.5mm x Inner Diameter ID: 2.1mm Tip Center Positive +) - AC to DC Adapter Universal Class 2 transformer work with Bench Scales Scale 9.0V 500mA 0.1A 0.5A - 1A DC9V 1.0A Class 2 Transformer Switching Mode Power Supply Cord Cable Battery Charger Mains PSU ⚠️ (Note: Please Check You Need OD (Outside Diameter): 5.5mm Barrel Round Plug Tip and Center Positive ✅. ⚠️NOT Center ❌ Negative.)
  • ⚠️ Note: The outside diameter is 5.5mm the inside is 2.5mm/2.1mm. ✅ Center Positive. NOT Center ❌ Negative. Someone may have bought it by mistake. Please Check For Compatibility With Your Unit. Or Please let us help. Thanks.
Rank No. #9
3vdc -12 volt Universal AC/DC Power Adapter USB Port | 8 Reversible Polarity Positive or Negative Tips Center Tip 3v 4.5v 5v 6v 7.5v 9v 12v 1a 12w Transformer 5.5mm 2.5mm 2.1mm 3.5mm 4.0mm 5.0mm 1.7mm
  • Multi-Voltage 12 Watt (12w/1-amp) replacement switching power adapter supply compatible with 1000s of small electronic devices using requiring 3 volt, 4.5 volt, 5 volt, 6 volt, 9 volt, or 12 volt up to 1.0a or 12 watts including many Electronics, Tablets, Routers, Smart Phones, Speakers, Monitors, TVs, LCDs, Cameras & Other USB Port Charging up to 12watt 1000ma with US 120 volt Plug
  • Includes 8 Interchangeable DC Tips/Plugs of the most popular sizes: 5.5mm x 2.5mm / 5.5mm x 2.1mm / 5.0mm x 2.1mm / 3.5mm x 1.35mm / 4.0mm x 1.7mm/ 2.5mm / 3.5mm / 2.5mm x 0.7mm. Please make sure your device is one of these size jacks on it for proper fit and the standard center positive polarity. New Upgraded model comes with a USB port built in
  • NEW model now has REVERSIBLE DC Tip Polarization - Both Center/Inside/Middle Tip Positive (+) Outer/Outside Tip Negative (-) and Inside/Center Negative (-) Outer/Outside Positive (+) Can be Set by Removing Tip and Placing it in Opposite Position. This allows for maximum device compatibility as it can be set to operate in both center tip pos and center tip neg polarities. Please be sure to verify your device polarity, tip size and voltage before purchasing.
  • Voltage is easy to change by the switch on the side of the adapter. Be sure you're using the correct VOLTAGE & POLARITY for your device before plugging it in. If you are not sure please use the "Customer Questions & Answers" section below before purchasing and provide your product brand, model, and part number if available and we will try to help verify your device's power requirements.
  • UL Listed & ROHS Compliant | Input: 110v - 220v AC / Output: 3v - 12v DC - Maximum Current from DC tip is up to 2.5a or 30 watts (USB Port Limit is 1.0amps) - If your device requires less power, such as 200ma, 300ma, 400ma, 500ma, 600ma, 750ma or any other up to 2500ma through the DC barrel connectors it will work with this adapter with a matching tip and proper voltage/polarization
Rank No. #10
JOVNO 9V 1A Power Supply, 100-240V AC to DC 9V 800mA 500mA Adapter with 5.5x2.5mm Tip for Arduino, NES, RCBS Chargemaster, Breast Pump, Elliptical Machine, Elegoo Kits, Security System, Speaker, LEDs
  • 【Power Specs】 Input: AC 100V-240V 50/60Hz; Output: DC 9V, 1A 9W Max; DC plug size is 5.5mm x 2.5mm. Compatible with 5.5mmx2.1mm. Polarity is inside positive "+", outside negative"-".
  • 【Wide Application】 Widely used to drive NES console, Arduino project, RCBS Chargemaster 1500, Breast Pump 9207010, CD player, massager, elliptical machine, dog ball launcher, portable fan, keyboard, radio, singing machine karaoke, music box, label maker, Elegoo kits, Wifi IP Home Camera, Bluetooth Speaker, DVR NVR CCTV Security Camera System, Wireless Router, LED light, water purifier, DC motor and other 9V devices less than 9W.
  • 【High Quality & Safty】 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. Certified by FCC, CE, RoHS, CCC, Overcurrent protection, overvoltage protection and overload protection, short-circuit protection ensure the stability and smoothness. Gives a safe charging.
  • 【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, we will do our best to serve.
  • 【Universal Adapter】 Works well with most of devices that draws less than 1A 9V, such as 150mA 200mA 250mA 300mA 350mA 400mA 450mA 500mA 550mA 600mA 650mA 700mA 750mA 800mA 850mA 900mA 950mA 1A. We recommend to use less than 80% of the full load. DO NOT OVERLOAD!
Rank No. #11
2-Pack DC 9V 0.5A 500mA Power Supply Adapter, Plug 5.5mm x 2.1mm, Center Positive
  • Input Voltage: AC100-240V 50/60Hz.
  • Output: 9V DC 500mA
  • DC Connector Size: 5.5mm x 2.1mm
  • UL Listed, FCC certificate WEEE, RoHS
  • Warranty: 18 months and lifetime technical support
Rank No. #12
[UL Listed] Center Positive 8 FT Omnihil AC/DC Power Adapter 9V 1.5A (1500mA) 5.5x2.1millimeters Regulated/FCC Certified (Compatible with Many Models)
  • 5 YEAR FREE REPLACEMENT WARRANTY
  • 3RD PARTY NON OEM PARTS
  • CERTIFICATE: UL,ROHS
  • Does Not Contain:  Alkaline /  Nickel / NIMH or Lithium Ion Batteries.
  • The image shown here is indicative ONLY. If there are any inconsistencies between the image and the actual product, the actual product WILL govern.
Rank No. #13
AC Adapter 9V 1.5A Switching Power Supply, 13.5W Center Positive Wall Transformer Charger for Arduino UNO R3, Schwinn Bike A10, Crosley Cruiser Record Player, with UL Certificate.
  • WIDE APPLICATION: The 9V 1.5A ac power supply converter, it can work for Arduino UNO R3, Elegoo, IEIK UNO R3, MEGA 2560, 9v Schwinn Proform bike A10 A15 A20 A25 A40 101 102 103 112 113 122 123 126 130 131 140 150 170 201 202 203 206 212 213 220 222 223 226 227P 231 240 270 460 004-4150 CY41-0900500, elliptical machine, hybrid trainer, Crosley Cruiser Portable Turntable Record Player CR8005A CR8005A-BK CR8005A-BL CR8005A-GR CR8005A-OR CR8005A-PI. (Only fit for 9V, Not more than 1.5A )
  • OVERVIEW: World wide Input: AC 100 - 240V 50/60Hz, Output Voltage: DC 9 Volt, Max Current 1500 mA, Max Wattage 13.5W. Length is 6.6 Ft (2.0M) DC Power Cable with 5.5 * 2.1mm Center Positive Barrel Plug. NOTE: The Adapter not fit for Casio Piano Keyboard, Zoom Guitar Multi Effects Pedal.
  • SAFE SWITCHING ADAPTOR: CE FCC UL RoHS and more Certification. Efficient Anti-interference Magnetic Ring to avoid EMI (Electromagnetic Interference), Shortage/ Overload Protection, Over Voltage Protection, Over Temperature. No need to worry about any fires explosions or shocks occurring.
  • DC OUTPUT JACK SIZE: H 5.5*2.5 mm, G 4.0*1.7 mm, H 3.5*1.35 mm, H 2.5*0.7 mm, LED terminal connector. Please confirm your device can fit the connector.
  • AFTER-SALES GUARANTEE: If you are not satisfied with the product,You can always get in touch with us,We will refund the whole money or send a new as a replacement to you.
Rank No. #14
DC 9V 0.5A 500mA Power Supply Adapter, Plug 5.5mm x 2.1mm, Center Positive
  • Input Voltage: AC100-240V 50/60Hz.
  • Output: 9V DC 500mA
  • DC Connector Size: 5.5mm x 2.1mm
  • UL Listed, FCC certificate WEEE, RoHS
  • Warranty: 18 months and lifetime technical support
Rank No. #15
SONICAKE 9V DC 1A Power Supply Adapter for Piano Keyboard and Guitar Effects Pedal Center Negative
  • PRODUCT APPLICATION: Compatible with most brands of electronic guitar effects pedals such as: Zoom, Vox, Boss, Donner, Ammoon, Dunlop, Mooer, Joyo, Digitech, and 9V Casio Keyboard.
  • WIRE EXTENSION: 4.92ft/150cm, definitely long enough for most situations.
  • SECURITY ASSURANCE: Passed UL/FCC certification, safe to use, featuring a special design and high quality materials to ensure reliability and high-temperature resistance.
  • TECHNICAL PARAMETERS: High-quality materials and professional technology will help you to stay away from the noise and interferences. It also comes equipped with a short-circuit/over-current protection.
  • PRODUCT SPECIFICATIONS: 9V DC power adapter, Input:100-240V 50/60Hz Center Negative, Output:9.0V-1A(Max).
SaleRank No. #16
Belker 30W Universal 3V 4.5V 5V 6V 7.5V 9V 12V AC DC Adapter Power Supply for LED Light Strip Router Speaker Smart Phone Tablet CCTV IP Camera TV Box 0.5A 1A 1.5A 2A 2000mA Amp - with 5V 2A USB
  • Multi-voltage AC adapter - AC Input: 100-240V 1A 50/60Hz. DC Output: 3V 4.5V 5V 6V 7.5V 9V 12V 2000mA 24W Max. USB Port Output: 5V 2A 10W Max.
  • Multi-functional AC/DC adapter - This ac adapter is with replaceable tips and a 5V 2.4A USB charging port. It fits most of AC/DC home appliances like Tablet PC, Scales, Routers, Speakers, LED Strip Lights, CCTV camera system, USB Charging Camera, TV box, wireless receivers, printers, game consoles, security product, digital product, GPS, CD player, rowing machine, smart phone and more 5V USB devices.
  • Replacement AC power adapter - It is perfect emergency standby power adapter, you can converts to different output voltage with ease. It can replace for 3 4.5 5 6 7.5 9 12 volts 50ma 100ma 150ma 200ma 300ma 400ma 500ma 600ma 700ma 800ma 900ma 1000ma 1500ma 2000ma amps AC adapters.
  • Important Note - The DC output polarity is centre Positive[+], outer Negative[-]. Please make sure it is exactly same with your device's polarity before bidding. 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.
  • What You Get - Universal AC Adapter, DC plugs, User Guide, 12-month worry-free warranty and friendly customer service.
SaleRank No. #17
SDDD AC/DC Adapter 9V 1.5A Power Supply DC Plug 5.5x2.1mm and 2.5mm Center Negative Compatible with for Boss Guitar Distortion Effects Pedal PSA-120S Casio Keyboard Power Adapter Cord (6.6 ft)
  • Replacement for Boss PSA Series Power adapter PSA-100 PSA-100S PSA-120 PSA-120S PSA-120S2 PSA-120T PSA-220S PSA-230 PSA-230S PSA-240.
  • Compatible with: Boss DS-1, RC-1, RC-3, TU-3, SD-1, RV-5, RV-6, DD-3, DD-7, DD-20, VE-20, ME-50, ME-80, GT-10, HM-2, etc guitar pedal
  • Power Supply Adapter Center Negative Widely compatible: Zoom, Vox, Boss, Donner, Ammoon, Dunlop, Mooer, Joyo, Digitech, electronic guitar effects pedals and 9V Casio Keyboard.
  • Widely compatible Casio Keyboard : AD-5 AD-5EL AD-5MLE AD-5MR AD-5MU AD-5UL A-100 CA-110 CT-360 CT-636 CTK120 CTK-330 CTK-401 CTK-411 CTK-481 CTK-496 CTK-510 CTK-511 CTK-519 CTK-530 CTK-531 CTK-540 CTK-541 CTK-551 CTK-555L CTK-574 CTK-591 CTK-593. NOTE: NOT work with Casio Keyboard CTK-5000, CTK-240, CTK-245, LK-120, LK-125, SA series, WK series.
  • Safe Design-safeguard features: Overheating Protection with Smart Chip, Overload Protection with High Quality Wires, OVP: Over Voltage output Protection, OCP: Over Current output Protection, SCP: Short Circuit output Protection
Rank No. #18
9V DC 0.5A Pedal Power Supply Adapter Power Charger Adaptor for Guitar Effects Pedal and Other Devices Requiring 9V–500mA Max Current–Tip-Negative, Sleeve-Positive Power Source, Noise Free
  • 🎸【Safe and Secure】- Certificated by UL, FCC, CE, ROHS, over-current / short-circuit protection, reduce noise interference.
  • 🎸 【9V Adapter】- OUTPUT: 9V DC, 0.5A (500mA), Center/Tip Negative (-) design; INPUT: AC 100V-240V, 50/60Hz, 0.2A. Cord Length: 4.92ft.
  • 🎸 【Connection】- 5.5mm x 2.1mm barrel connector; Center or tip is negative, sleeve is positive. * Please check your device's required polarity and connector size carefully before purchase.
  • 🎸 【Wide Compatibility】- suitable for most brands of 9V tip negative guitar effect pedals, such as Boss, Digitech, Behringer, MXR, Ibanez, JOYO, MOOER etc.
  • 🎸 【What You Get】- 1 Pedal Power Adapter with packaging. Our 12-month worry-free and friendly customer service.
Rank No. #19
COOLMUSIC Accessories Power Adapter – Minimize Need to Change Batteries on Pedalboard and Other Devices Requiring 9V – 500mA Max Current – Tip-Negative, Sleeve-Positive Power Supply
  • BATTERY-FREE PERFORMANCE – You won’t need to worry about dead batteries in your pedalboard ruining your performance when you use an AC-DC 9-Volt Power Adapter. You can ensure a consistent, battery-free performance when you directly power it.
  • VERSATILE - The adapter converts AC wall power to 9-Volt DC for powering most instrument pedals and other 9-volt battery devices. The COOLMUSIC adapter can also be used to power tip-negative keyboards.
  • 500mA MAX CURRENT - The tip-negative, sleeve-positive power supply can deliver 500mA to fuel even your most power-hungry devices.
  • PRODUCT INFO - Input: 100-240VAC; Output: 9VDC, 500mA; Barrel size: 2.1mm; Polarity: Tip “-“; Cord Length: 24”; Available in NEMA, F plug and G plug types.
  • Certified Safe: Automatic overload / Thermal cut-off / Short circuit and Over voltage protection
Rank No. #20
Power Supply for Guitar Effects Pedal, 9V 500mA AC/DC Power Adapter for BOSS Pedal, UL Listed, 6.6FT Cable
  • RANGE COMPATIBLE: Output: 9V, 500mA; Input: 100-240V; Compatible with Boss Electronic Guitar Multi-Effect Pedal; Replaces PSA-120S
  • CONNECTOR SIZE: Tip Negative(-) design, 5.5mm x 2.1mm barrel connector
  • SAFE AND STABILITY: UL listed, over-current/short-circuit protection, reduce noise interference
  • EXTENDED CORD: 6.6Ft (2m) cord length for ample reach from your devices to wall outlet and Hook-and-Loop cable tie attached around the cord for portable storage
  • WIDE USES: Compatible with Danelectro Electric Guitar Mini Amplifier and tip negative 9V 0.5A Keyboard; This adapter can NOT work with devices that require tip positive or ampere more than 500mA

Last update on 2022-01-12 / Affiliate links / Images from Amazon Product Advertising API

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