WETOX D2 Adapter Becomes World’s First ISO 15118-20 Certified V2X Product, Enabling Tesla and Mach-E Vehicles for Power Output

The WETOX D2 charging adapter has earned SGS ISO 15118-20 certification, becoming the world’s first V2X product to meet this standard. It allows owners of Tesla Model S, 3, X, Y, and Ford Mustang Mach-E vehicles to transform their cars into mobile power stations with up to 3,600W output, delivering 40% higher efficiency than comparable products.

Editorial Team8/20/2026Updated 8/20/2026

World’s First ISO 15118-20 Certified V2X Adapter

WETOX announced that its D2 charging adapter has officially received the ISO 15118-20 certification report from SGS, making it the world’s first vehicle-to-everything (V2X) product to achieve this standard. The certification confirms that the D2 complies with the latest international electric vehicle charging communication protocols, enabling electric vehicles without native vehicle-to-load (V2L) functionality to be converted into mobile power sources through a single device. This supports applications such as home backup power, outdoor activities, and emergency power needs.

The D2 adapter is now available in North American and European markets, supporting Tesla Model S, Model 3, Model X, Model Y, and Ford Mustang Mach-E vehicles. The product is offered in NACS, CCS1, and CCS2 variants, covering the primary global charging standards. WETOX stated that it will expand compatibility to additional vehicle models through quarterly over-the-air (OTA) software updates, allowing existing users to gain support for new models without hardware replacement.

Efficiency and Safety Performance Lead the Industry

A 13-hour continuous stress test video released by WETOX on YouTube demonstrates that the D2 adapter, under a maximum load of 3,600W, depleted a Tesla vehicle’s battery from 93% to 19% without overheating or efficiency degradation. WETOX claims that the D2 is 40% more efficient than other V2L adapters on the market and avoids triggering Tesla’s battery heating mechanism, eliminating unnecessary power loss.

In terms of safety, the D2 adapter’s main unit has achieved an IPX5 waterproof rating, while the extension power strip meets the IPX6 standard. The full-chain waterproof design ensures safe operation even in heavy rain. WETOX has also introduced a global product insurance plan covering accidental damage to the adapter, vehicle, users, and connected appliances, and pledges to assume the risk of voiding original manufacturer warranties due to D2 usage.

Software and Hardware Integration Overcomes Vehicle Limitations

The core technology of the D2 adapter lies in WETOX’s proprietary ISO 15118 and DIN 70121 communication protocol stack, eliminating dependence on third-party modules. This innovation significantly reduces the circuit board size while optimizing communication efficiency between the vehicle and the load. The technology not only allows the D2 to bypass Tesla’s battery management system’s heating trigger mechanism but also lays the foundation for future compatibility expansions.

Paired with the official WETOX app, users can customize battery discharge limits, set automatic shut-off timers, and monitor system status in real time. The app includes diagnostic features that adjust output settings based on different scenarios, such as construction sites, camping, or power outages, enhancing flexibility. The app is now available on the App Store and Google Play, offering interfaces in Chinese and multiple other languages.

Market Response and Future Outlook

WETOX’s Kickstarter campaign, running until August 30, has already raised over $120,000, reflecting strong market demand for V2L solutions. While the D2 adapter has passed SGS certification and completed long-duration stress testing, there are currently no third-party validations of its efficiency or safety claims. Additionally, the specific terms and coverage of WETOX’s insurance plan, as well as whether Tesla or Ford will recognize the use of the D2 as not affecting original warranties, remain to be clarified.

For owners of electric vehicles without native V2L functionality, the D2 offers a solution to access mobile power capabilities without replacing their vehicles. However, the product’s long-term reliability and real-world performance will require further market validation. WETOX stated that it will continue to expand vehicle compatibility through software updates and promote additional V2X application scenarios to keep pace with the rapid development of the electric vehicle market.

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