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SHNITPWR 12V 3A 36W AC DC Power Supply Adapter 100V~240V AC to DC 12 Volt 3 Amp Converter Transformer LED Driver with 5.5x2.5mm Plug for 5050 3528 LED Strip 3D Printer CCTV Security System LCD Monitor
SHNITPWR

SHNITPWR 12V 3A 36W AC DC Power Supply Adapter 100V~240V AC to DC 12 Volt 3 Amp Converter Transformer LED Driver with 5.5x2.5mm Plug for 5050 3528 LED Strip 3D Printer CCTV Security System LCD Monitor

Bottom line: The SHNITPWR 12V 3A 36W AC DC Power Supply Adapter 100V~240V AC to DC 12: Regulated 12V 3A 36W output for LED strips, CCTV, routers, and 3D printers; main trade-off: not a charger — cannot safely power battery devices like laptops.

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By , Founder & Editor-in-Chief · Listing data updated

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

  • ✓ Regulated 12V 3A 36W output for LED strips, CCTV, routers, and 3D printers
  • ✓ FCC, CE, and RoHS certified with stable, low-temperature operation
  • ✓ Overload, over-voltage, thermal, and short-circuit cut-off protection built in
  • ✓ 5.5x2.5mm barrel plug plus a free screw-on DC connector, no soldering needed

Cons

  • ✗ Not a charger — cannot safely power battery devices like laptops
  • ✗ Hard 3A ceiling; drawing over 36W damages the unit quickly
  • ✗ Best run under 80% load (about 29W) for longer lifespan
  • ✗ Single 5.5x2.5mm plug size may not fit every 12V device port

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SpecPicks Verdict

SpecPicks scored SHNITPWR 12V 3A 36W AC DC Power Supply Adapter 100V~240V AC to DC 12… using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. SHNITPWR's power supplies 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 power supplies 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: AC 100 - 240V, 50 / 60Hz ; Output: DC 12V, Max 3A, 36W ; It can supply with currents less than 3A. ---such as 500mA, 1A, 1.5A, 2A, 3A. If your device draws 2A then 2A will be supplied. But if draws more than 3A, only 3A will be supplied and power supply will be damaged soon. NEVER OVERLOAD！
  • Output DC connector plug size is 5.5mm x 2.5mm (inside"+", outside"-"). In order to meet more needs, we give away a female DC connector. You can screw wires onto it easily, no soldering required. Please check the size of your device’s power port and confirm if the power supply can be plug to your device.
  • Certified by FCC CE ROHS. We focus on producing high quality power adapters. No noise, low temperature operation, no spontaneous combustion, no explosion, no fire hazard, stable output. Automatic overload cut-off, over voltage cut-off, automatic thermal cut-off, short circuit protection.
  • It is perfect for 5050 3528 12V LED Strip Light, Wireless Router, ADSL Cats, HUB, Security Cameras, Audio/ Video Power Supply, 3D Printer, LED Driver, CCTV Security System, LCD Monitor, Webcam Router and other 12V devices less than 36W.
  • This product is an AC to DC adapter, NOT charger!!!It can’t be used to charge electronic devices with batteries, such as laptops. Otherwise, it may damage your device.We recommend that you use this power supply to power devices that do not exceed 80% of the maximum power of the power supply.

Full Specifications

BrandSHNITPWR
ColorBlack
Plug TypeType A
Unit Count1.0 Count
ConnectivityWireless
Model NumberSNT-1203
Power SourceCorded Electric
Input Voltage240 Volts
Output Voltage12 Volts
Connection TypeWireless
Mfr Part NumberSNT-1203
Number of Outlets1
Warranty DescriptionWe have 30 days money back guarantee, 24 months exchange.

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SHNITPWR 12V 3A 36W AC DC Power Supply Adapter 100V~240V AC to DC 12 Volt 3 Amp Converter Transformer LED Driver with 5.5x2.5mm Plug for 5050 3528 LED Strip 3D Printer CCTV Security System LCD Monitor 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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SHNITPWR 12V 3A 36W AC DC Power Supply Adapter 100V~240V AC to DC 12 Volt 3 Amp Converter Transformer LED Driver with 5.5x2.5mm Plug for 5050 3528 LED Strip 3D Printer CCTV Security System LCD Monitor
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