Add to favorites

SHNITPWR 48W Universal Power Supply 9V 12V 15V 17V 19V 20V 24V Adjustable Variable AC/DC Adapter with 5.5x2.5mm Tip 100V-240V AC to DC Converter 9V~24V 0.8A 0.5A 1A 1.2A 1.5A 1.8A 2A Max with 14 Tips — Open-Box, 8% Off
Brand: SHNITPWR
Condition: Used - Mint
$2257
$2449
-8% Save $192
Updated: 2 days ago
Description
Input: AC 100~240V, 50/60Hz; Output. DC 9V 12V 15V 17V 19V 20V 24V adjustable, max 2A 48W. Can provide current less than 2A, such as 500mA 800mA 1A 1.2A 1.5A 1.8A 2A. with 5.5mm x 2.5mm DC plug. Adjustable voltage can better match device parameters and supply more accurate and flexible changes.
It comes with an original 5.5x2.5mm tip (inside"+", outside"-") 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-B, Type-C and DC terminal connector. We especially add a reverse polarity converter, which will double its application scope.
The 48W all-in-one multipurpose AC/DC adapter fit for many 9~24V under 48W small electronics such as Wireless router, LED light strips, TV boxes, Photo frames, Bluetooth players, Wireless headphones, Speakers,camera, Bluetooth charging boxes, Printers, Security Monitoring System, 9~24V small home electronics, etc.This product is an AC to DC adapter, NOT charger!!!It can’t be used to charge electronic devices with batteries. Otherwise, it may damage your device.
The adapter is made of high-quality materials and professional production process, with a variety of built-in safety protection systems. Automatic over-voltage cut off, over-current cut off, over temperature cut off, short circuit cut off. No noise, no spontaneous combustion, no explosion, no fire hazard, safe use. We focus on producing high quality and safe power adapters.
Our included reverse polarity converter can be used to convert the internal positive to negative and the external negative to positive. Please know the positive and negative polarity and voltage of your device and select the correct voltage before use. Wrong voltage 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.
Parameter
Input: AC 100V~240V 50/60Hz
Output Voltage: DC 9V 12V 15V 19V 20V 22V 24V
Output Current: Max 2A
Output Wattage:Max 48W
Output DC connector:5.5mm x 2.5mm (inside"+", outside"-")
Reverse polarity converter: 5.5mm x 2.1mm
14 Tips Size: 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-B, Type-C and DC terminal connector.
Power cable length: 4.92ft / 150cm
Safety Compliance: FCC / CE/ RoHS
Working Temperature: 0~40℃
Storage Temperature: -40~85℃
Ambient Humidity: 5~95% Non-Condensation
Weight: 0.48 lb / 220g
Professional advice from licensed electrician:
1.The max use should be no more than 80% of the full loads. Otherwise, the service life of the power supply will be shortened.
2.We recommend you to use this 48W power supply to power devices less than 39W.
3.The 4cm short black power cord is a reverse polarity converter, not extension wire. It is used to reverse the original polarity of the power supply output port ( reverse the internal positive pole to negative , and the external negative pole to positive). Please confirm the polarity of your devices power port before use. If the positive and negative poles are reversed, it will cause short circuit and damage your device.
4.Not waterproof, please don’t use it outdoor. Please keep it away from water and fire.
Package included
1x 9-24V 2A power supply adapter
1x Reverse polarity converter cable
14x DC Tips
Parameter
Input: AC 100V~240V 50/60Hz
Output Voltage: DC 9V 12V 15V 19V 20V 22V 24V
Output Current: Max 2A
Output Wattage:Max 48W
Output DC connector:5.5mm x 2.5mm (inside"+", outside"-")
Reverse polarity converter: 5.5mm x 2.1mm
14 Tips Size: 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-B, Type-C and DC terminal connector.
Power cable length: 4.92ft / 150cm
Safety Compliance: FCC / CE/ RoHS
Working Temperature: 0~40℃
Storage Temperature: -40~85℃
Ambient Humidity: 5~95% Non-Condensation
Weight: 0.48 lb / 220g
Professional advice from licensed electrician:
1.The max use should be no more than 80% of the full loads. Otherwise, the service life of the power supply will be shortened.
2.We recommend you to use this 48W power supply to power devices less than 39W.
3.The 4cm short black power cord is a reverse polarity converter, not extension wire. It is used to reverse the original polarity of the power supply output port ( reverse the internal positive pole to negative , and the external negative pole to positive). Please confirm the polarity of your devices power port before use. If the positive and negative poles are reversed, it will cause short circuit and damage your device.
4.Not waterproof, please don’t use it outdoor. Please keep it away from water and fire.
Package included
1x 9-24V 2A power supply adapter
1x Reverse polarity converter cable
14x DC Tips
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-ca-b0cjyb2mcn
- Model:
- SNT-48W-0912
- Country:
- CA
- ASIN:
- B0CJYB2MCN
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $2 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for SHNITPWR products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.







