Top Office Electronic Supply Reviews

DC Power Variable Supply 30V 5A 4Digital Display Adjustable Regulated Switching Power Supply

  • Fan of the power supply will automatically turn on when temperatures reach 50 ℃ .We have limit current protection, thermal protection, voltage overload protection, short-circuit protection..
  • When you are unable to adjust the current, it may be because you do not have access to the electronic load. You can turn on an electronic load or form a short connection and then adjust it. You can also contact us.This dc power supply for phone repair,Lab use,battery charge,plating，etc.Voltage can't get above 3.5V-it's supposed to reach 30. This is because the electronic load is not connected..
  • Our power supply has a certain degree of professionalism. If you do not know how to adjust the current, please connect to an electronic load directly, so that you can adjust the current directly. It is normal for the power supply to make sound after it has been used for a long time. We call it "howling".It have complete operating protection function,Double potentiometer more precise adjustment..
  • If you find that the power supply does not work or the screen does not display after receiving the goods, please contact us immediately and we will give you an unconditional refund. If you have anything you don't understand in the process of use, ....
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Tnuocke 12V 5A 100V-240V AC to DC Power Adapter 5.1x2.1mm 8-Way Power Splitter Cable for CCTV/Camer/DVR H-M-025

  • Parameter：Input voltage:AC 100-240V~50/60Hz, output voltage: DC 12V, output current: DC 5A..
  • 8-way splitter cables: 16.5inch,Plug Diameter, 5.5 mm Outer, 2.1 mm Inner..
  • Package：1 set of DC 12V 5A power adapter (including cable) and 8-way splitter cables..
  • Easy to use: just plug the power adapter into the power supply, and it can be used. Eight power lines can supply power for multiple electronic devices..
  • Applied range：Very suitable for closed-circuit television and video cameras in home or office..
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UORLEN 3AA Dummy Battery Adapter USB Power Supply Cable Replace 3 AA Batteries

  • ◆ UORLEN 3 AA Dummy Battery Power Supply Cable Set, replaces 3AA Batteries, connect with charger, can provide your indoor or outdoor equipment, continuous power supply day and night, saving a lot of time and money..
  • ◆ UORLEN 3 AA USB Power Supply Cable Set, for all 3AA Batteries electronic product , such as Smart Thermostat, Remote Control, Controller, Sensor Trash Can, Digital Kitchen Scale, Body Weight Scale, Electronic Toys, Humidity Temperature Sensor, LED Candles, LED String Lights, Pumpkin Lantern, Christmas Decorations, Home Improvement DIY etc..
  • ◆ UORLEN 3 AA Battery Adapter USB Set, The wires that connect to the battery pack are flat ribbon and can easily pass through the bayonet edge of the battery case, put the UORLEN dummy battery into the battery compartment according to the correct position, connect with usb cable, through 5v usb port to use, no need to change batteries frequently or run out..
  • ◆ UORLEN GIFT BOX: 1 * USB to DC Power Cable, 3 * AA Dummy Battery, If you have any product questions or suggestions, please contact us in time..
  • ◆ UORLEN TIPS : (1) Do not attempt to rechargeable the AAA dummy battery. (2) Not waterproof. (3) Unable to power electronic equipment by itself. (4) Never use this in conjunction with actual batte....
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LAGRIMA Electric Piano Keyboard, 61 key Music Keyboard Piano, Portable Electronic Musical Piano with Microphone, Power Supply, Music Stand for Beginner (Kid and Adult)(Black)

  • Complete Timbre & Rhythm --- LAGRIMA LAG-300 61-key electronic keyboard has built-in dual speakers can provides 128 tones, 128 rhythms and 12 demo songs. Use the optional 8 percussion instruments and drum sound kits to help maintain the rhythm. This electronic keyboard is perfect for all It can be used by beginners and performers of different skill levels, children or adults, bringing you superb sound quality..
  • Dual Power Supply Mode --- LAGRIMA LAG-300 61-key electronic keyboard has dual power supply mode, which can be passed through AC/DC power adapter (included in the package/available 110v-240v) or 4 AA batteries (not included) power supply, convenient to use when going out for practice or performance, it is your music partner with you..
  • Recording & Replay --- LAGRIMA LAG-300 61-key electronic keyboard with recording function, plug in headphones is your own secret music world. The playback function can also help the performer recall the performance effect and make targeted connections to improve the performance ability..
  • Unlimited Expansion --- The LAGRIMA LAG-300 61-key keyboard has an audio input/output/microphone jack. The audio input can be connected to your other electronic devices to simulate the sound of a variety of musical instruments. The ....
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LAGRIMA LAG-730 61 Key Portable Electric Keyboard Piano with Built-In Speakers, Digital Display Screen, Microphone, Dual Power Supply, Recording, Music Sheet Stand for Beginner, Adults, Kids (Black)

  • 【Complete Timbre & Rhythm】 LAGRIMA LAG-730 61-key electronic keyboard piano has built-in dual speakers can provides 200 tones, 200 rhythms and 70 demo songs. Use the optional 6 percussion instruments and drum sound kits to help maintain the rhythm. This electronic piano keyboard is perfect for all It can be used by beginners and performers of different skill levels, children or adults, bringing you superb sound quality..
  • 【Dual Power Supply Mode】 LAGRIMA LAG-730 61 key electronic music keyboard has dual power supply mode, which can be passed through AC/DC power adapter (included in the package/available 110V-240V) or 4 AA batteries (not included) power supply, convenient to use when going out for practice or performance, it is your music partner with you..
  • 【Recording & Replay】 LAGRIMA LAG-730 61-key electronic piano keyboard with recording function, plug in headphones is your own secret music world. The playback function can also help the performer recall the performance effect and make targeted connections to improve the performance ability..
  • 【Unlimited Expansion】 The LAGRIMA LAG-730 61key music keyboard has an audio input/output/microphone jack(without USB port). The audio input can be connected to your other electronic devices to simul....
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2Set 8 x AA Thicken Battery Holder with I Type Wired Battery Clip Standard Snap Connector

  • 1. It is suitable for DIY and maintenance of all kinds of dc equipment, with an I-type wire..
  • 2. Easy to install: The battery is fixed by a stainless steel spring. It is very convenient to install and replace the battery, and it is not easy to damage other parts..
  • 3. Tough material: using tough material, high strength, good toughness, not easy to crack..
  • 4.Applications: toys, electronic DIY, bread board power supply, LED lighting power supply, low voltage electrical equipment, remote control, radio, quartz clock, wireless keyboard, electronic calculators, doorbell, mobile digital recorder, remote control, radio, quartz clock, electronic calculators, doorbell, tape machine, electric toys, children/adults wireless mouse/keyboard, strong light flashlight, electric shavers, camera flash, electric toothbrush, game handle, strong light flashlight at l.
  • 5.Item Name：Battery Case ；Material : Plastic, Metal；Battery Type : 8 x AA 12V.
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LAGRIMA LAG-750 61 Key Portable Electric Keyboard Piano Kit w/H Stand, Music Piano Bag, Smart Light Up Keys for Beginner, Kids Microphone, Headphone, Power Supply, Music Stand, Adjustable Stool(Black)

  • 【Complete Timbre & Rhythm】LAGRIMA LAG-750 61-key electronic music keyboard has built-in dual speakers can provides 200 tones, 200 rhythms and 70 demo songs. Use the optional 6 percussion instruments and drum sound kits to help maintain the rhythm. This electronic piano keyboard is perfect for all It can be used by beginners and performers of different skill levels, children or adults, bringing you superb sound quality..
  • 【Dual Power Supply Mode】LAGRIMA LAG-750 61 key electronic keyboard piano has dual power supply mode, which can be passed through AC/DC power adapter (included in the package/available 110v-240v) or 4 AA batteries (not included) power supply, convenient to use when going out for practice or performance, it is your music partner with you..
  • 【Recording & Replay】LAGRIMA LAG-750 61-key electronic piano keyboard with recording function, plug in headphones is your own secret music world. The playback function can also help the performer recall the performance effect and make targeted connections to improve the performance ability..
  • 【Unlimited Expansion】The LAGRIMA LAG-750 61 key music keyboard has an audio input/output/microphone jack(without USB port). The audio input can be connected to your other electronic devices to simulate....
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SZC23-NO-AL-CH Current Switch Relay - Normally Open Current Sensing Switch Adjustable AC 0.2-30A

  • 1. SELF-POWERED: Self-powered, no external power supply required..
  • 2. CONTACTLESS ELECTRONIC SWITCH: High-power MOS tube contactless electronic switch..
  • 3. STRUCTURE DESIGN: Straight-through structure design, isolation withstand voltage up to 2000V..
  • 4. CONTACTLESS ELECTRONIC SWITCH: High-power MOS tube contactless electronic switch..
  • 5. SUITABLE FOR: Suitable for AC current measurement and monitoring, AC motor overload protection, electronic switch of automatic control system and so on..
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Donner DP-1 Guitar Power Supply 10 Isolated DC Output & Electric Guitar Cable 10 ft

  • 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..
  • 【HIGH FIDELITY】 Donner guitar cable with 24AWG oxygen-free-copper center con.
  • 【WIDE APPLICABILITY】Suitable for mixer, power amplifier, microphone, effector, decoder, equalizer, electronic organ, pedal, amp jack, electric guitar, electric bass, and other electronic instruments. Widely used in the installation of smart home, karaoke speaker, professional stage audio, etc..
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Amazon Basics AA 1.5 Volt Performance Alkaline Batteries - Pack of 8

  • ★ Maximum Power – Allmax AA Maximum Power Alkaline Batteries are premium grade, high-performance batteries built with EnergyCircle Technology to supply maximum power to your electronic devices..
  • ★ Ultra Long-Lasting – Allmax AA batteries are considered “ultra long-lasting” and have been independently tested to outperform standard alkaline batteries. This means you can expect Allmax batteries to last longer..
  • ★ Leakproof Design – Allmax AA batteries are designed to seal in materials and protect your electronic devices. This means Allmax batteries are perfect for daily household or business use, and perfect for your family’s needs..
  • ★ Longest Shelf Life – Allmax AA batteries are always fresh and maintain power for up to 10 years in proper storage. This makes Allmax batteries the perfect choice for long-term storage and emergency preparedness kits..
  • ★ Best Performance – Allmax AA batteries are built to supply maximum power to your electronic devices so they perform their best. This includes devices such as remote controls, flashlights, toys, Xbox controllers, digital cameras, wireless mice, wireless keyboards, radios, bubble machines, door locks, clocks, electric pencil sharpeners, toothbrushes, laser levels, calculators, garage do....
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20 Pieces 3 Pins AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator Down Power Supply Buck 800mA Module

  • ...nel design and the input output using the 3 pin single row pin for easy connection, the input voltage is higher than output voltage 1.2V, the module will work normally.
  • AMS1117-3.3 is a positive voltage regulator step down power supply module, support DC 4.75-12V input and 3.3V fixed voltage and 0.8A current output.
  • Electronic devices partner: the 3 pins AMS1117-3.3 voltage regulator mini step down power supply module, can be applied to electronic devices which need 3.3V power supply, such as SCM project design, MCU development and more, easy to be connected and provide the power supply.
  • Where to use: the voltage to 3.3V 800mA DC buck module is applicable for high-efficiency linear regulator published active power regulator battery charger active instrument.
  • Compatible with: the 3 pins AMS1117-3.3 voltage regulator mini power supply is compatible with Arduino MEGA2560, MSP430 development board, 3.3V low power consumption MCU, FPGA/CPLD PLD programmable logic systems, ARM7 ARM9 ARM11 STM32, etc..
  • Provide more safety: the AMS1117-3.3 800mA DC buck module features overheat shutdown circuit provides overload and over-temperature protection, no worry about safety and bring you more convenience.
  • Operating junction temperature range: -40 to 125°C, welding....
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8 Pack AA Battery Holder Bundle with Wire 1 AA Battery Holder 1.5V, 2 Pcs, 2 AA Battery Holder 3V, 2 Pcs, 3 AA Battery Holder 4.5V, 2 Pcs, 4 AA Battery Holder 6V, 2 Pcs by QTEATAK

  • 1. It is suitable for DIY and maintenance of all kinds of dc equipment, with screw hole at the bottom and wire preinstalled, it is easy to use..
  • 2. Easy to install: The battery is fixed by a stainless steel spring. It is very convenient to install and replace the battery, and it is not easy to damage other parts..
  • 3. Tough material: using tough material, high strength, good toughness, not easy to crack..
  • 4.DIY: can be assembled by different size of battery box, can get the voltage 1.5 V, 3 V, 4.5 V, 6 V, 7.5 V, 9 V, 10.5 V, 12 V, 13.5 V, 15 V, 16.5 V, 18 V, 19.5 V, 21 V, 22.5 V, 24 V, 25.5 V, 27 V, 28.5 V, 30 V dc power supply..
  • 5.Applications: toys, electronic DIY, bread board power supply, LED lighting power supply, low voltage electrical equipment, remote control, radio, quartz clock, wireless keyboard, electronic calculators, doorbell, mobile digital recorder, remote control, radio, quartz clock, electronic calculators, doorbell, tape machine, electric toys, children/adults wireless mouse/keyboard, strong light flashlight, electric shavers, camera flash, electric toothbrush, game handle, strong light flashlight at l.
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QTEATAK 5Pcs 2X 1.5V AA Battery Holder Case with On/Off Switch and Wire Leads

  • 1. It is suitable for DIY and maintenance of all kinds of dc equipment, with screw hole at the bottom and wire preinstalled, it is easy to use..
  • 2. Easy to install: The battery is fixed by a stainless steel spring. It is very convenient to install and replace the battery, and it is not easy to damage other parts..
  • 3. Tough material: using tough material, high strength, good toughness, not easy to crack..
  • 4. Battery Type: 2 AA batteries, 2x 1.5V AA batteries. ON/OFF switch.Wire Length: 5.2"/13cm.
  • Cable Color: red and black.Case Dimensions: 68*33*18mm/2.68*1.3*0.71inch(L*W*H). One Screw Weight: 0.564oz/16g. Includes 5 mounting screwss.
  • 5.Applications: toys, electronic DIY, bread board power supply, LED lighting power supply, low voltage electrical equipment, remote control, radio, quartz clock, wireless keyboard, electronic calculators, doorbell, mobile digital recorder, remote control, radio, quartz clock, electronic calculators, doorbell, tape machine, electric toys, children/adults wireless mouse/keyboard, strong light flashlight, electric shavers, camera flash, electric toothbrush, game handle, strong light flashligh.
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