AAOTOKK
(2 Pack) 5V USB to DC5.5 × 2.1 mm Plug Power Converter Adapter USB 2.0 A Female to DC 5.5×2.1mm Male DC Barrel Power Plug Charger Cord Connector for 5V DC or USB Charging Device(F/5.5×2.1)
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The (2 Pack) 5V USB to DC5.5 × 2.1 mm Plug Power Converter Adapter USB 2.0 A Female to DC 5.5×2.1mm Male DC Barrel Power Plug Charger Cord Connector for 5V DC or USB Charging Device(F/5.5×2.1) is a category leader on buyer feedback in the expansion cards category, priced around $5.99, rated 4.6★ across 64 verified Amazon reviews. A confident buy for most shoppers in this category.
Quantity:(2-Pack)Size:Length,width( 4.2x1.7x1cm)Material:PVC Plastic.Color:(Black)Connectors 1 : DC 5.5 × 2.1 mm male jack.Connectors 2 : USB 2.0 A female jack. Output: DC 5.5 × 2.1 mm male jack or usb 2.0 A male jack (Note: Please ensure the size of the DC adapter before purchase)Point 1: ( The output voltage is 5V,Cannot use 9V-12V voltage.)Use a 5V power adapter with a barrel connector to power and charge USB 2.0 A devices.And the USB 2.0 A port can also charge DC devices.Point 2: Before purchasing, please make sure that the DC output of the AC adapter is the same as the tip size…
SpecPicks Verdict
SpecPicks classifies (2 Pack) 5V USB to DC5.5 × 2.1 mm Plug Power Converter Adapter USB… as a category leader on buyer feedback in the expansion cards category, based on 64 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. AAOTOKK's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for expansion cards 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.6★ average across customer reviews
- ✓ Quantity:(2-Pack) Size:Length,width( 4.2x1.7x1cm) Material:PVC Plastic.Color:(Black)
- ✓ Backed by AAOTOKK's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Quantity:(2-Pack) Size:Length,width( 4.2x1.7x1cm) Material:PVC Plastic.Color:(Black)
- Connectors 1 : DC 5.5 × 2.1 mm male jack.Connectors 2 : USB 2.0 A female jack. Output: DC 5.5 × 2.1 mm male jack or usb 2.0 A male jack (Note: Please ensure the size of the DC adapter before purchase)
- 【Compatible USB 2.0 A Devices】Power or charge USB 2.0 A devices via standard DC plug/adapter,Applicable to a variety of small electrical appliances, mobile phones, MP3, MP4, digital photo frames,U disk, USB charger.
- 【Compatible DC5.5×2.1 mm Devices】USB 2.0 A port can also charge DC devices,The DC 5.5 × 2.1 mm port for small electronics，Night light, DVD players,LED light bar, Small speaker,Toy car,Fan,Tablet,Massager,Wireless router,etc devices which Use a DC 5.5 × 2.1 mm DC barrel jack for a power adapter.
- 【Note】:Point 1: ( The output voltage is 5V,Cannot use 9V-12V voltage.)Use a 5V power adapter with a barrel connector to power and charge USB 2.0 A devices.And the USB 2.0 A port can also charge DC devices. Point 2: Before purchasing, please make sure that the DC output of the AC adapter is the same as the tip size (voltage: 5V,size: DC 5.5 × 2.1 mm).
Full Specifications
| Brand | AAOTOKK |
|---|---|
| Color | DC5.5 × 2.1mm |
| Finish | Plastic |
| Quantity | (2-Pack) Size:Length,width( 4.2x1.7x1cm) Material:PVC Plastic.Color:(Black) |
| Dimensions | 4.2x1.7x1cm |
| Unit Count | 2.0 Count |
| Finish Type | Plastic |
| Connectivity | Wireless, USB |
| Model Number | A-000024 |
| Input Voltage | 5 Volts (DC) |
| Connector Type | USB, DC 5.5 × 2.1 mm |
| Current Rating | 0.5 Amps |
| Connection Type | Wireless |
| Mfr Part Number | 0002 |
Ready to buy?
(2 Pack) 5V USB to DC5.5 × 2.1 mm Plug Power Converter Adapter USB 2.0 A Female to DC 5.5×2.1mm Male DC Barrel Power Plug Charger Cord Connector for 5V DC or USB Charging Device(F/5.5×2.1) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
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