EV Backup Power Questions, Answered Clearly.

RoamEnergy PowerBridge is a portable EV-based backup power solution that lets compatible electric vehicles provide AC power for outages, camping, jobsite power, and off-grid backup.

It is not a gas generator, not a portable power station, and not a permanent vehicle modification. It works through the vehicle-side charging and communication pathway supported by compatible EVs.

PowerBridge Standard (Gen 1) is designed for compatible Tesla Model 3, Model Y, Model S, and Model X vehicles with CCS capability enabled.

If your Tesla screen shows “CCS incompatible,” the vehicle cannot use the CCS communication pathway required by PowerBridge Standard. In that case, Standard will not be compatible unless CCS capability is enabled through Tesla service or retrofit support.

PowerBridge Pro (Gen 2) is designed for compatible Tesla vehicles and selected non-Tesla EVs.

Compatibility is not based only on the plug shape. It depends on the vehicle-side communication pathway, handshake behavior, and RoamEnergy tested vehicle matching data.

Not automatically. A CCS port or adapter does not guarantee PowerBridge compatibility.

PowerBridge compatibility depends on both physical connection and vehicle-side communication matching. For PowerBridge Pro, use the official tested EV compatibility list as the primary reference.

Based on current vehicle-side communication testing, the following EV models are confirmed not compatible with PowerBridge Pro at this stage:

• Genesis GV60
• GMC Hummer EV
• Lucid Air
• Kia EV6
• Hyundai Ioniq 5
• Hyundai Ioniq 6

This list may be updated as RoamEnergy continues real-vehicle testing and software validation.

If your vehicle is not listed, please contact RoamEnergy before ordering.

Include your vehicle brand, model, year, charging port type, adapter setup if any, and intended use case. Our team can review whether your vehicle may be suitable for current or future compatibility validation.

PowerBridge Standard (Gen 1) provides 120V AC pure sine wave output up to 3,500W.

Each front outlet supports up to 1,800W / 15A, with a combined maximum output of up to 3,500W. For long-duration use, keep reasonable power headroom instead of running continuously at full load.

PowerBridge Pro (Gen 2) supports 120V / 240V output.

At 120V, it supports up to 3,500W. At 240V, it supports up to 7,500W / 32A through the rear high-power output.

It depends on the appliance voltage, running wattage, starting surge, and how long the load will operate.

Always check the appliance’s power rating before use. Motors, compressors, pumps, and older air conditioners may have high starting surge. Keep the total load within the rated output of your PowerBridge model.

Yes. PowerBridge can be used as a portable EV-based backup power source for essential loads during outages, such as refrigerators, lights, routers, phones, computers, medical support devices within rated limits, and selected appliances.

Actual runtime depends on your EV battery size, vehicle battery level, total load, weather, and usage pattern.

PowerBridge is not intended for DIY backfeeding into a home electrical panel.

Any setup involving a home panel, generator inlet, transfer switch, interlock, selected circuits, meter-side equipment, or household wiring must be evaluated and installed by a licensed electrician according to local electrical codes.

PowerBridge Pro provides 120V or 240V single-phase output. It does not directly provide standard U.S. 120/240V split-phase power with neutral by itself.

For certain U.S. home-backup setups that require split-phase 120/240V power, an external split-phase autotransformer may be needed between PowerBridge Pro and the home backup connection. A licensed electrician must evaluate the setup.

The 240V rear high-power output on PowerBridge Pro is designed for compatible 240V loads within the rated 7,500W / 32A output.

In the U.S., 240V single-phase output is not the same as a full residential split-phase 120/240V panel connection. If your use case involves a home panel, generator inlet, transfer switch, or selected circuits, consult a licensed electrician before use.

Tesla vehicles do not currently provide a dedicated third-party external discharge display mode.

Because PowerBridge works through the vehicle-side charging and communication pathway, the Tesla screen may display a charging-related status even though PowerBridge is using vehicle battery energy to provide external AC power.

Turn on PowerBridge first and allow it to complete startup before connecting it to the vehicle.

For PowerBridge Standard, wait until the startup indicator changes from red to yellow before plugging the NACS connector into the Tesla. After the vehicle connection is established and the indicator turns steady green, connect appliances gradually.

The button on the NACS connector is for release / disconnect. It is not used to open the Tesla charge port door.

Open the charge port from the Tesla screen, app, or vehicle controls, then insert the NACS connector after PowerBridge has completed startup.

Tesla charging settings may affect the connection.

If the current battery level has already reached the charging limit, or if Scheduled Charging blocks charging-port activity outside a specific time window, the vehicle may not allow the connection. Temporarily raise the charging limit and disable Scheduled Charging if needed before use.

For long-duration standby use or light / intermittent loads, enabling Tesla Camp Mode may help keep the vehicle awake and reduce unexpected sleep-related interruptions.

This is especially useful when loads are small or cycling on and off, such as refrigerators, routers, or overnight backup use.

PowerBridge includes grounding mode options for different equipment requirements.

For most standard U.S. appliances, use mode 0. If certain equipment requires a ground signal and fails to connect, mode I may help. Mode II is mainly designed for European-version requirements and is usually not needed in the U.S.

No. PowerBridge is not waterproof.

Do not use it in rain, standing water, wet ground conditions, or unsafe weather. Keep the unit, plugs, outlets, extension cords, and connection points dry and well ventilated during use.

Yes, but use high-quality extension cords rated for the load.

Avoid thin, damaged, low-quality, or excessively long extension cords. Underrated extension cords can overheat and may cause voltage drop or safety risks.

Yes. PowerBridge Pro supports Bluetooth app monitoring for iOS and Android.

The app is designed for status viewing, parameter checking, and supported update functions. Final app availability and update functions may vary by production version.

Yes. PowerBridge products are designed with update / recovery pathways depending on the model and production version.

PowerBridge Standard can support update packages through its service/update pathway. PowerBridge Pro is designed with app-based monitoring and supported update functions, plus additional recovery options depending on the production version.

PowerBridge is an external portable power device. It does not require vehicle disassembly, rewiring, or permanent vehicle modification.

RoamEnergy has served more than 20,000 first-generation users in Asia without reported Tesla battery warranty issues from normal PowerBridge use. However, warranty decisions are ultimately made by the vehicle manufacturer, so users should operate the product only as instructed.

Please contact RoamEnergy support and include your order number, vehicle brand, model, year, charging port type, PowerBridge model, setup description, and photos or videos if troubleshooting is needed.