RPi Zero/Banana Pi M2 Zero Board Adapter w/ 4B Interface Zero to Pi4 Expansion Board
Description
- RPi Zero/Banana Pi M2 Zero Board Adapter with 4B Interface Zero to Pi4 Expansion Board
- Versatile adapter converts Raspberry Pi Zero to Pi 4B form factor
- Unique design allows for direct insertion and strong unity
- Includes 3 USB ports and an RJ45 10/100M port
- Compatible with Raspberry Pi, Banana Pi, computers, and Android phones
The RPi Zero/Banana Pi M2 Zero Board Adapter w/ 4B Interface Zero to Pi4 Expansion Board is a versatile adapter board designed to convert Raspberry Pi to Raspberry Pi 4B form factor. It also serves to transform Banana Pi M2 Zero into a 4B interface adapter, complete with a 3 USB hub and an RJ45 10/100M port. This adapter is specifically designed to match the size of Raspberry Pi 4B and can seamlessly convert Raspberry Pi Zero to Raspberry Pi 4b. For those utilizing the Banana Pi BPI-M2 Zero, this adapter ensures optimal compatibility while expanding the USB HUB and Ethernet interfaces.
The design of this adapter is unique, offering direct insertion and a strong sense of unity. It is capable of converting the HDMI-compatible port of Zero to a universal HDMI-compatible female port of 4B, enhancing its ease of use. The GPIO height position is designed to perfectly inherit the GPIO height of 4B and Zero. This feature allows for the flawless insertion of various GPIO expansion boards, maintaining the same height.

The adapter comes with a 3USB+RJ45 expansion board, which includes 3 USB ports compatible with USB 2.0/1 transmission, and an RJ45 10/100M port, based on the RTL8152B Ethernet chip. It can be directly installed to Raspberry Pi Zero W/Zero WH and Banana Pi M2 Zero. Additionally, it can be connected to other versions of Raspberry Pi, Banana Pi, general-purpose computers, or Android phones through a USB cable via a jumper test.
Please note that the main board is not included in the package. The package includes a Zero to 4B Adapter (3USB+RJ45) and a USB to Type C Cable.
- 1x Zero to 4B Adapter (3USB+RJ45)
- 1x USB to Type C Cable
- 3USB+RJ45 expansion board:
- 3 USB ports, compatible with USB 2.0/1 transmission
- 1x RJ45 10/100M port, based on the RTL8152B Ethernet chip
- Can be directly installed to Raspberry Pi Zero W/Zero WH and Banana Pi M2 Zero
- Can be connected to other versions of Raspberry Pi, Banana Pi, general-purpose computers, or Android phones through a USB cable through jumper test
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Refund Policy
If you are not satisfied with a product purchased from the Site, you may request a return within 30 days from the delivery date, unless the product is listed under the Return Exceptions below or is subject to specific return conditions noted on the product page.
This return policy also applies, as a minimum standard, to products sold and fulfilled by third-party vendors through the Marketplace.
Please review the Return Conditions, Return Exceptions and the process on How to Request a Return Authorization (RA) before initiating a return request.
Returns under this policy concern non-defective products. In the case of a confirmed manufacturing defect, remedies are handled under the Warranty terms, at the Vendor's discretion. See the Warranty section.
Return Conditions
To qualify for a refund under the 30-day return policy, all of the following conditions must be met:
- A valid Return Authorization (RA) number must be obtained prior to returning the product. Returns without an RA number will be refused.
- The RA number is valid for 30 days. The returned item must be received within that period.
- The RA number must be included with the return.
- Products must be returned in unused, unmodified condition (e.g., no scratches, alterations, missing parts, or signs of installation/use) and in their original packaging, suitable for resale.
- Shipping fees are non-refundable. Return shipping costs are the responsibility of the customer, except in cases of a product confirmed defective through RobotShop's troubleshooting process or of a verified shipping error by RobotShop.
- Refunds are processed within 7 days after receipt and inspection of the returned item.
- A $100 cleaning fee may apply to domestic robots returned in used or unclean condition.
- A 20% restocking fee may apply to large-quantity returns of items ordered specifically for the customer from the manufacturer or not part of RobotShop's standard inventory.
Return Exceptions
The following products are not eligible for return or refund under this policy:
- Used, damaged, or modified products — Items that show signs of use, wear, or alteration, making them unsuitable for resale.
- Consumables — Use and wear-and-tear components, altered or depleted through use (e.g., batteries, belts, brushes, gears, filament, tires, disposable bags, lubricants, greases, waxes, etc.). Not eligible for return once opened or used.
- Perishables — Goods liable to deteriorate or expire rapidly. Not eligible for return.
- Sealed goods (health or hygiene) — Items sealed for health-protection or hygiene reasons (e.g., masks, gloves, odor-absorbing products). Not eligible for return once unsealed.
- Build-it-yourself products and items requiring customer assembly — Including robots & kits, robot parts, and other products requiring assembly or soldering. Not eligible for return once assembled, soldered, or installed.
- Digital Goods, Software, and Apps — Final sale only, due to licensing restrictions.
- Clearance Items — Products identified as clearance or final sale, including end-of-life or discontinued items.
- Custom-made, personalized, or special-order items — Products manufactured, configured, adapted, or built to the customer's own specifications and requirements.
- On-Demand Items — Standard catalogue products not stocked by RobotShop and ordered specifically to fulfill a customer request.
- Professional & Specialized Equipment — See the Professional & Specialized Equipment Warranty page and Professional & Institutional Buyers (B2B) section in the Terms & Conditions.
How to Request a Return Authorization (RA)
While the same return policy applies, these orders require a separate contact process for returns.
- RobotShop Fulfilled Orders → submit a support ticket from your account under My Support Tickets.
- Marketplace Vendor Orders → submit a ticket from your account under My Marketplace Tickets to contact the vendor directly.
Note: Marketplace vendor products are normally labelled with SKUs starting with RM, and identified on the product page with the mention "Sold and fulfilled by [Vendor Name]".