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🔒 Cut the power, keep the data flowing — the smart block for savvy pros!
The PortaPow USB-A Power Blocker is a specialized USB-A male-to-female adapter that disables power transfer while preserving USB 2.0 data communication at speeds up to 480Mbps. Designed for devices like 3D printers and Raspberry Pi, it enhances security and device safety by preventing unwanted power flow without interrupting data signals. Compact, CE certified, and plug-and-play, it’s a must-have for professionals seeking precise control over USB power and data lines—note: not compatible with smartphones or tablets.
| Amazon Bestseller | #14,209 in Computers (See Top 100 in Computers) #1,312 in USB Cables |
| Asin | B094FYL9QT |
| Brand | PortaPow |
| Color | red |
| Compatible Devices | PC |
| Connector Type | USB Type A |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,064) 4.3 out of 5 stars |
| Global Trade Identification Number | 00027829469634 |
| Manufacturer | PortaPow |
| Mfr Part Number | PP_PBC1 |
| Model Number | PP_PBC1 |
| Number Of Items | 1 |
| Number Of Ports | 2 |
| Power Plug Type | No Plug |
| Unit Count | 1.0 Count |
| Upc | 278294696340 027829469634 |
User
ラックの裏に落とすとゲーム終了です
最初に糸でも付けとくが吉。
User
Eficaz
Cumpre com a sua finalidade
User
ça marche
Fait parti d'un petit montage dans la voiture pour alimenter le boitier Android Auto sans fil. Le boitier est bien alimenté uniquement quand le moteur tourne. (la connexion se rétablissait avec le téléphone quand je sortait pour aller dans le jardin ou que je bricolais dans le garage). Problème résolu, ça fonctionne depuis 15 jours.
User
Work Perfectly
They work as intended, I'm using one with a Raspberry Pi (running Octopi) attached to an Ender 3 v2 printer to enable controlling the printer via Wi-Fi. Apparently you can damage your Raspberry Pi if you allow the Ender 3 v2 USB port to back feed power into it. This adapter severs the power lines while still allowing the two devices to communicate properly. It's far more elegant then modifying a USB cable. Devices wouldn't communicate at first but it was a bad cable not this adapter so make sure your USB cable is good.They're great value for the money, they can also be used to help eliminate USB power noise on some digital audio interfaces like the Scarlet series for example.
User
Bom produto
Excelente produto. Recomendo!
User
Buen producto!
Hace lo que promete.
Trustpilot
5 days ago
1 month ago