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SHNITPWR 3.5V - 12V Power Supply 10A 120W AC to DC Adapter DC 4V 4.5V 5V 6V 7V 8V 9V 10V 12V Voltage Adjustable Universal Power Converter Transformer 100-240V AC in with 14 Tips & Polarity Converter
SHNITPWR

SHNITPWR 3.5V

Bottom line: The SHNITPWR 3.5V: Adjustable 3.5-12V output covers 5V, 6V, 9V, 12V and more from one unit; main trade-off: AC-to-DC adapter only, not a charger; won't power battery devices like laptops.

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Adjustable 3.5-12V output covers 5V, 6V, 9V, 12V and more from one unit
  • ✓ 120W max at 10A powers LED strips, routers, DC pumps and DVR/NVR cameras
  • ✓ LCD shows live output voltage so wrong volts won't fry your device
  • ✓ 14 tips plus 5.5x2.5mm plus a polarity converter fit most barrel jacks
  • ✓ Four cutoffs: over-voltage, over-current, over-temp and short-circuit

Cons

  • ✗ AC-to-DC adapter only, not a charger; won't power battery devices like laptops
  • ✗ Indoor use only, so no outdoor or weatherproof installs
  • ✗ Selecting the wrong voltage can damage the connected device
  • ✗ Maker advises staying under 80% load, so usable headroom is below 120W

SpecPicks Verdict

SpecPicks scored SHNITPWR 3.5V using a rating × review-volume × price-fit model applied to published specs and reviews across the accessories category. SHNITPWR's accessories lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for accessories of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 【Input and Output】Input: AC 100~240V, 50/60Hz ; Output: DC 3.5~12V Adjustable, Max 10A 120W ; It can supply with voltage between 3.5~12V,such as 3.5V 4V 4.8V 5V 6V 7V 8V 9V 9.5V 10V 10.5V 11V 12V etc and amp less than 10A, such as 300mA, 500mA,1A, 1.5A, 2A, 3A, 4A, 5A, 6A, 7A, 8A, 9A, 10A. LCD display will show the output voltage, in case that wrong voltage regulation damage your device.
  • 【Upgraded Version Power Supply】We have made the following improvements: 1. The knob can be adjusted more evenly, and it can reach 5V ~ 6V by rotating 50%. 2. Increase the off gear to turn off the power without pulling the plug. 3.Add a polarity converter cable, which make it compatible with more devices,doubles its range of application.
  • 【14pcs Frequently Used Tips】It comes with an original 5.5x2.5mm tip and 14pcs frequently used tips: 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, 2.5x0.7mm, Micro-USB, Type-C and DC terminal connector. Can be applied to most commonly used electronic devices. You can screw wires onto it easily, perfect for DIY projects.
  • 【Widely Used】The 120W all-in-one multipurpose AC/DC adapter fit for many 3.5~12V small household electronics such as LED strips, under-cabinet light, TV Box, smart speaks, wireless routers, essential oil diffuser humidifier, fan, camera, hard disk box, DC motor, DC pump, DVR NVR surveillance system etc.For indoor use only.
  • 【Safety Protection Systems】Built-in multiple safety protection systems. Automatic over voltage cut-off, over current cut-off, over temperature cut-off, short circuit cut-off. We focus on producing premium quality and safety power adapters. No noise, no spontaneous combustion, no explosion, no fire hazard, safe to use. 6ft long power cable makes it convenient to use.
  • 【Kindly Note】This product is an AC to DC adapter, NOT charger!!!It can’t be used to charge electronic devices with batteries, such as laptops. Please choose correct voltage before plug it to your device. Wrong voltage may damage your device. We recommend to use less than 80% of the full load.

Full Specifications

BrandSHNITPWR
ColorBlack
CurrentDC
Wattage120 watts
Amperage10 Amps
PortableNo
Plug Type5.5x2.5mm DC connector
Power PlugType A - 2 pin (North American)
Unit Count1 Count
Form FactorAdapter
ConnectivityWireless, USB
Model NumberJ200-1200800D
Power SourceCorded Electric
Input Voltage240 Volts
Mounting TypeWall Mount
Built-In Media1 power supply, 2 cables
Connector TypeMicro USB, USB
Output Current10 Amps
Output Voltage12 Volts
Connection TypeWireless
Full listing titleSHNITPWR 3.5V - 12V Power Supply 10A 120W AC to DC Adapter DC 4V 4.5V 5V 6V 7V 8V 9V 10V 12V Voltage Adjustable Universal Power Converter Transformer 100-240V AC in with 14 Tips & Polarity Converter

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SHNITPWR 3.5V - 12V Power Supply 10A 120W AC to DC Adapter DC 4V 4.5V 5V 6V 7V 8V 9V 10V 12V Voltage Adjustable Universal Power Converter Transformer 100-240V AC in with 14 Tips & Polarity Converter is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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