Best Jesverty in 2026

【Automatic power calculation】: adjustable DC power supply accuracy up to 0.01V and 0.001a, constant voltage (C.V.) and constant current (C.C.) mode automatic conversion and can automatically calculate power values according to voltage and current. In addition, the backlit 4-bit LED display provides more accurate readings of voltage and current values, which are easy to see even in low light conditions.

【5 V /2A USB interface】: Variable power has built-in quick charging protocol identification chip, supporting USB quick charging function, it has A 5 V / 2A output can be quickly charged mobile phones or other devices or used for charging equipment repair, very convenient.

【Safe and reliable】: with a variety of safety protection measures, including grounding wire, leakage protection, thermal protection, voltage overload, power overload, short circuit protection, and the power supply is equipped with intelligent temperature control fan and heat sink, heat dissipation effect is good, can effectively continue to work. Extend product life.

【Voltage Control】The output voltage is continuously adjustable from 9V to 15V or set at a fixed 13.8V. The Noise Offset Circuit moves unwanted switching noise to another frequency.

【Screw-type main terminals】The main output terminals ensure easy compatibility with all DC-powered devices and are large enough to provide an efficient power transfer to your equipment.

【Auxiliary Output Terminals】2 pairs of auxiliary snap-in terminals and a cigarette lighter socket on the front panel for added convenience.

【Automatic power calculation】: adjustable DC power supply accuracy up to 0.01V and 0.001a, constant voltage (C.V.) and constant current (C.C.) mode automatic conversion and can automatically calculate power values according to voltage and current. In addition, the backlit 4-bit LED display provides more accurate readings of voltage and current values, which are easy to see even in low light conditions.

【5 V /2A USB interface】: Variable power has built-in quick charging protocol identification chip, supporting USB quick charging function, it has A 5 V / 2A output can be quickly charged mobile phones or other devices or used for charging equipment repair, very convenient.

【Safe and reliable】: with a variety of safety protection measures, including grounding wire, leakage protection, thermal protection, voltage overload, power overload, short circuit protection, and the power supply is equipped with intelligent temperature control fan and heat sink, heat dissipation effect is good, can effectively continue to work. Extend product life.

Portable charger with two USB-A ports (12 Watts each). Charges up to 2 devices at a time

Apple MFi Certified ensures complete compatibility with iPhone 14/13/12/11/X/XR/XS/8/7/6/6s/5/5s/5c, iPhone Pro 13/12/11, iPhone Pro Max 13/12/11/XS, iPhone Plus 14/8/7/6/6s, iPhone SE 1st Gen/2nd Gen/3rd Gen, iPhone mini 13/12, Apple iPad, iPad Air, iPad Mini, iPad Pro, iPod Touch, iPod nano, Beats Pill+, Samsung Fold Z/ Galaxy S22/ S20/ S10/ S9/ S9 Plus/ S8/ S8 Plus/ S7/ S7 Edge/ S6/ S6 Edge/ S5/ Note 20 10 9 7/ 930QCG/ Google Nexus 6P/5X, Google Pixel 3/3XL/2/2XL, HTC One M9+/M9/A9/M8/E8, Motorola Razer, Moto Z, Huawei Mate10, P30/ P20, Blackberry, Nokia, Sony, LG U, LG G Stylo, LG G6/G5/G4/G3, LG V30/V20, PH-1, and any other USB outlet devices

Built-in device detection; provides up to 4.8 amps of power (each port 2.4 amps max); does not support Quick Charge; devices equipped with Quick Charge will charge at normal speed

Delivers 430W continuous output at +40℃. Compliance with Intel ATX 12V 2.31 & EPS 12V 2.92 standards

80 Plus Certified: 80% efficiency under typical load

Supports (2) PCI-E 6+2pin Connectors. Active (PFC) Power Factor Correction, MTBF: 100, 000 hours

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

9V POWER SUPPLY FOR GUITAR PEDALS - The D'Addario 9V Power Adaptor works with pedals and other devices requiring 9-Volts to minimize the need to change batteries.

VERSITLE - 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

Four 9V isolated high-current 400mA output sections (2 with 12V option) power Strymon, Eventide, Line 6 (excludes M9/M13), Boss Twin, TC Electronic Nova, Moog and more

Four 9V isolated 100mA output sections

All outputs compatible with 9V battery operated pedals

Fully modular, so you only connect the cables your system needs.

Triple EPS12V connectors for full compatibility with modern graphics cards and motherboards.

A 140mm rifle bearing fan with a specially calculated fan curve ensures that fan noise is kept to a minimum, even at full load.

Fully modular, so you only connect the cables that your system needs.

A 135mm ML fan utilizes a magnetic levitation bearing and custom engineered rotors for high performance, low noise, and superior reliability.

EPS12V connector for compatibility with modern graphics cards and motherboards.

UL Listed: Specifically Designed 12V Power cord for Yamaha Keyboards

Compatibility: 12V Power supply for Yamaha keyboards YPG-235 PSR-E223 PSR-E243 PSR-E253 PSR-E263 PSR-E313 PSR-E323 PSR-E333 PSR-E343 PSR-E353 PSR-E363 PSR-E403 PSR-E413 PSR-E423 PSR-E443 PSR-E453 PSR-EW300 NP12 NP32 YPT-200 YPT-210 YPT-220 YPT-230 YPT-240 YPT-300 YPT-310 YPT-320 YPT-330 YPT-340 YPT-400 YPT-410 YPT-420 YDD-40 EZ-200 EZ-220 and DD-45 DD75

Certified Safe: Multi-Protect safety system ensures complete protection for you and your devices

FEATURES / POWER SPECS : Only Pwr+ Chargers Have Extra Long 6.5 Ft Power AC/DC cords / Output: 9V 1A / Input: 100-240V / Center Tip Negative (-) / Made in Taiwan / Tested, Approved and Certified by UL.

COMPATIBILITY: Casio AD-5 AD-5MU AD-5MR AD-5EL AD-5MLE AD-5GL Charger WK-110 WK-200 LK-43 LK-100 CTK-496 CTK-573 CTK-720 CTK-2100 Casio 3782, CA-100, CA-110, CPS-101, CT-210, CT-240, CT-310, CT-360, CT-400, CT-410, CT-410V, CT-420, CT-430, CT-450, CT-460, CT-480, CT-488, CT-491, CT-496, CT-500, CT-510, CT-520, CT-550, CT-588, CT-591, CT-599, CT-605, CT-610, CT-611, CT-615, CT-620, CT-630, CT-636, CT-637, CT-638, CT-640, CT-648, CT-650, CT-656, CT-657, CT-660, CT-670, CT-677, CT-688, CT-700, CT-7

CT-770, CT-800, CT-870, CTK-120, CTK-130, CTK-149, CTK-150, CTK-2000, CTK-2100, CTK-230, CTK-300, CTK-3000, CTK-330, CTK-4000, CTK-401, CTK-411, CTK-431, CTK-450, CTK-451, CTK-470, CTK-471, CTK-480, CTK-481, CTK-485, CTK-491, CTK-495, CTK-496, CTK-50, CTK-500, CTK-501, CTK-510, CTK-511, CTK-515, CTK-518, CTK-519, CTK-520, CTK-520L, CTK-540, CTK-550, CTK-551, CTK-555L, CTK-56, CTK-560L, CTK-571, CTK-573, CTK-574, CTK-591, CTK-593, CTK-601, CTK-611, CTK-615, CTK-620L, CTK-630, CTK-631, CTK-647

80 plus Gold certified, with 90% efficiency or higher under typical loads

Single 12V. Rail, DC-DC converter to improve 3. 3V. / 5V. Stability

Active power factor correction

6-outlet surge protector power strip with three-prong plugs

Prevents damage to sensitive devices such as computers, media systems, and more due to sudden power surges and outages

Provides power to up to six electronic devices with 3-line AC protection

80 PLUS Gold certified, with 90% (115VAC) / 92% (220VAC~240VAC) efficiency or higher under typical loads

Fully Modular to reduce clutter and improve airflow

100% Japanese Capacitors plus OVP, UVP, OCP, OPP, SCP, and Dual OTP Protections

80 Plus Platinum: Runs cooler and uses less power than less efficient power supplies

Fully Modular: Allows user to only use the cables they need for a cleaner looking build with better airflow

10-year warranty: Backed by Corsair's legendary technical support and customer service

Input: 100 240V 50/60Hz Output: 12V ; Length: 6 FT , special design for keyboard.

High Quality AC Wall Power Charger for Yamaha Keyboard, Input Voltage : AC 100-240V; Input Frequency : 50-60Hz.

Great for Yamaha Keyboard 12V 2A(or below)Replacement, US Standard Plug.

Parameter---HDS272 3.5 inch LCD automotive oscilloscope with 2 channel (oscilloscope+multimeter), 70MHz bandwidth, 250MS/s sample rate, 8K record length; 10,000 wfrms/s waveform refresh rate; 8 bits vertical resolution; 10mV/div - 10V/div vertical sensitivity; input coupling: DC, AC, and Ground.

2-in-1---2CH digital oscilloscope with 2 in 1 function, portable oscilloscope built-in multimeter is very handy. You can work well done with one device for your jobs or your experiments. At the same time, its detection date is very accurate, 20,000 count DMM, Scope update rate at 10k/s, perfect ranges of sweep time and vertical scales.

Crisp and Portable---Crisp and bright 3.5 inch color LCD screen, showing a higher resolution larger character display, even though in dim ambient light situations or outdoor environment, digital oscilloscope can be intuitive in its read. This handheld oscilloscope is portable and comfortably fits in the hand. It is much lighter, easier and perfect for field use. Practical and intuitive menu page layout, it is intuitive and handy in its use.

Parameter---HDS272S 3.5 inch LCD handheld oscilloscope with 2+1 channel (oscilloscope+multimeter+generator), 70MHz bandwidth, 250MS/s sample rate, 8K record length; 10,000 wfrms/s waveform refresh rate; 8 bits vertical resolution; 10mV/div - 10V/div vertical sensitivity; input coupling: DC, AC, and Ground.

3-in-1---2+1CH portable oscilloscope built-in multimeter and waveform generators are very convenient, 3 in 1 functional usb oscilloscope, you can get work well done without carrying multiple devices for your jobs. Owing accurate detection function, well triggering ability of waveform generators and useful oscilloscope and 20,000 count DMM.

Crisp and Portable---Crisp and bright 3.5 inch color LCD screen, showing a higher resolution larger character display, even though in dim ambient light situations or outdoor environment, digital oscilloscope can be intuitive in its read. This handheld oscilloscope is portable and comfortably fits in the hand. It is much lighter, easier and perfect for field use. Practical and intuitive menu page layout, it is intuitive and handy in its use.

CERTIFIED GOLD - Supporting 80 Plus Gold efficiency up to 90% and optimized for C6 or C7 States ready

NON MODULAR CONNECTORS – Main Power (24 pin) x 1/ ATX 12V (4plus4 pin) x 1/ SATA (5 pin) x 6/ PCI-E (6plus2 pin) x 2/ peripheral (4 pin) x 3/ FDD x 1

ULTRA QUIET 120MM FAN – Dynamic Bearing fan s superior cooing performance and silent operation

Input:100-240V,50-60Hz;Output:12V Maximum :1.5A(compatible with 1.5A, 1.0A). Total length:9.84feet.

Compatibility With:Yamaha keyboards P71,YPG-235, PSR-F51,PSR-GX76,PSR-E253, PSR-E263, PSR-E273,PSR-E353, PSR-E373,PSR-E363, PSR-EW300, PSR-E453, NP12, NP32, YPT-200, YPT-210, YPT-220, YPT-230, YPT-240, YPT-300, YPT-310, YPT-320, YPT-330, YPT-340, EZ-200, EZ-220, YPT-400, YPT-410, YPT-420, YDD-40,DD-45, DD75,KB190,KB191,KB290,KB291,E453,E463,P35,P45,P48,P105,P115,P121,P125,P128,YDP103,YDP143,KBP1000,KBP2000,DGX660,DGX 650, MM6,YPG-635,YPT-300,PA-3C( Please see full list in the Product Description )

Replacement for Yamaha PA-3 PA-3B PA-3C PA-40 PA-5 PA-5C PA-5D PA-6 PA-1 PA-1B PA-4 PA-130 PA-150 PA-150A EP-A3 KP-A3 PA 130 150 Power Adapter.

9V 1A Power Adapter: Positive-Sleeve, Negative-Center.

Power Adapter: Input: AC 100-240V, 50-60Hz.Output: DC 9V 1A.

DC Plus Dimension: 5.5mm * 2.1mm.

🎸10 ISOLATED OUTPUTS:Donner DP-1 9V Guitar Pedal Power Supply has 10 outputs ,which includes 7 ways 9V 100mA, 1 way 9V 500mA, 1 way 12V 100mA, 1 way 18V 100mA.

🎸NOISE REDUCTION CIRCUIT DESIGN：Donner Guitar Pedal Power Supply Quality is made of aluminum alloy material, which makes it light, and portable. It has a noise reduction function, low noise gives you a better experience, and direct current increases the stability of the power supply during use.

🎸SHORT CIRCUIT PROTECTION:Independent short-circuit protection, when one output is short-circuited, other outputs can still work.

UL Listed: Specifically Designed Power cord for 9.5V Casio Keyboards; NOT for 9V keyboard.

Extended cord: 8.4 feet / Input: 100V-240V AC / Output: DC 9.5V, 1A

Compatibility: Casio keyboards SA-46 SA-47 SA76 SA-77 SA-78 LK-120 LK-125 LK-127 LK-160 LK-165 LK-170 LK-175 LK-190 LK-240 LK-247 LK-260 LK-265 LK-280 CTK-240 CTK-245 CTK-1100 CTK-1150 CTK-1200 CTK-2080 CTK-2300 CTK-2400 CTK-2550 CTK-3200 CTK-3500 CTK-4200 CTK-4400 WK-220 WK-225 WK-240 WK-245 XW-P1 XW-G1 CT-S1 CT-S100 CT-S200 CT-S250 CT-S300 CT-S400 CT-S410 CT-X800

12V power adapter for Yamaha PSR, YPG, YPT, DGX, DD, EZ, PSS, YDP and P digital keyboard series

Input: AC voltage 100V-240V, 60 Hz Output: DC12V 1.0A Cable length 9' 8" (3 Meters)

Can Not Fit 16v 2.4A eg (PSR-500,PSR-S550,PSR-S550B,PSR-S650,PSR-S670 ,PSR-S700,PSR-S710,PSR-S750,PSR-S900,PSR-S910,PSR-S950,PSR-1000,PSR80 YAMAHA PA-300 PA-300B PA-301 etc)

🎸5 WAY DAISY CHAIN：You can run 5 pedals on your pedal board at the same time.Package includes one 9V Power Adapter and 5 way Daisy Chain.

🎸DETAILS:OUTPUT: 9V DC, 1A (1000mA), Tip Negative (-) design;INPUT: AC100V-240V, 60Hz, 6.5W.

🎸PROFESSIONAL NOISE ISOLATION PERFORMANCE:High-quality copper core daisy chain cable with special anti-hum. The professional noise isolation performance ensures you a quiet pedal chain condition while playing.

Compatibility: This 9v power supply for guitar pedals is widely compatible with BOSS , Roland , Distortion, Casio Keyboard, Behringer, DigiTech, Jim Dunlop, MXR, Nobels, NUX, TC Electronic, Xotic, Zoom Effects Pedals, Boss PSA-120S,DS-1 RC-1 RC-3 TU-2 TU-3 SD-1 RV-5 RV-6 DD-3 DD-7 DD-20 ME-50 ME-80 GT-10 HM-2 GT-1B GT-100 GT-1 GT-10 AD-10 BR-80 BR-600 DB-88 DB-90 CE-2B BOSS Mini Katana RE-20 RC-1 RC-3 DS-2 and more.

Save Your Batteries: Working as a replacement for Boss PSA Adapter 9V DC Series, PSA-100 PSA-100S PSA-120 PSA-120S PSA-120S2 PSA-120T PSA-220S PSA-230 PSA-230S PSA-240.

9V Power Supply Specs: Input:100-240V 50-60Hz; Output:9V 1A (0.1A~ 1000mA) DC Plug: 5.5mm x 2.1mm, Center Negative. Cable Cord Long: 5.9 feet.

RGB LED FAN 256 colors Ring RGB 140 millimeter Hydraulic Bearing fan with low noise design. Fan blades are optimized to enhance static pressure for an impressive cooling performance

ONE BUTTON RGB CONTROL : RGB Lighting Button at the back of PSU controls 5 different lighting modes, RGB Cycle, Red, Green, Blue, White, and LED Off

80 PLUS Gold and KABY LAKE READY : Deliver up to 90 percentage efficiency, Tough power RGB Gold Series has been optimized to work with Intel s latest, Seventh generation Kaby Lake processors to achieve maximum energy saving

Input: 100 240V 50/60Hz Output: 12V ; Length: 6 FT , special design for keyboard use.

High Quality AC Wall Power Charger,Input Voltage : AC 100-240V; Input Frequency : 50-60Hz.

Short circuit Protection Light in weight and with heavy-duty cable-wire. Build in Dynamic IC, Charger IC & Power fuse for rapid charging and over charge protection.

High Precision with 4-Digit and Power Display: Kungber 30V 10A DC benchtop power supply is a professional power supply regulation device that has a high resolution of 0.01V and 0.01A. You can easily tune it within 0-30V and 0-10A. The backlit 4-digit LED display provides a more accurate readout for the voltage and current value, visible easily even in the low-light conditions.

Constant Voltage (C.V.) & Current (C.C.) Mode Automatic Conversion: Easy to dial in the desired voltage and current with the coarse and fine adjustment knob. The constant voltage/current mode can automatically switch with load changes. The conversion of constant voltage and constant current is indicated by the LED display on the front panel.

Compact and Various Application: This DC power supply is less than 3 lb and measures only 9.5 x 3.4 x 6.1 inches, applies for laboratory, school, repair, electrolyzation, electroplate, brush plating, lamp test, aging testing, battery charge, home DIY and other requirements. 5V/2A USB Interface could charge your cellphone and provide power for the device which you want to repair, no worry about running out of power.

10 INDIVIDUAL OUTPUT: OTraki power supply is designed for effect pedals. With 10 isolated output: 9V 100mA port x 7, 9V 500mA port x 1, 12V 100mA port x 1, 18V 100mA port x 1. Short circuit in one channel won't affect other channels' function.

LED POWER INDICATOR: Turn on LED indicator lights switch, all lights will normally go on after power connected and LED light goes out in the case of a short circuit, which helps locating faults among many effect pedals when there were short circuits. ATTENTION: The black switch in the top left corner is just led light switch, not power off switch for pedals. If you want to turn off the whole power supply, you need to unplug the power adapter.

UPGRADED - LOWER NOISE: Built in a powerful noise filter and equipped with an upgraded power adapter, this pedal power brick is greatly improve noise problem. It is quiet for you to enjoy playing with clear and firm sound.