1. Introduction
Thank you for choosing the WenStorm 25FT Level 2 EV Charger. This portable charging solution is designed to provide efficient and reliable charging for your electric vehicle. It delivers 7.68kW of power, offering up to 23 miles of range per hour, which is significantly faster than standard Level 1 chargers. This charger is compatible with NEMA 14-50 outlets and all SAE J1772 EVs and PHEVs (non-Tesla). Its robust design ensures durability and safety for both home and travel use.
Important Safety Information
- Read all instructions before using this product.
- Do not use if the product or EV cable is damaged.
- Ensure the NEMA 14-50 outlet is properly installed and grounded by a qualified electrician.
- Keep children away from the charging area.
- Do not immerse the charger in water.
- Operate within specified temperature ranges (-22°F to 122°F).
- This device is ETL Listed, ensuring compliance with safety standards.
2. Package Contents
Verify that all items are present in your package:
- WenStorm Portable EV Charger (Model Z7B)
- User Manual
- Carrying case (Standard Package)
3. Specifications
| Brand | WenStorm |
| Model Number | Z7B |
| Connector Type | SAE J1772 |
| Input Voltage | 240 Volts |
| Amperage | 32 Amps |
| Wattage | 7.68 kW |
| Cable Length | 25 Feet |
| Power Source | Corded Electric (NEMA 14-50 Plug) |
| Ingress Protection (IP) Rating | IP55 (Weatherproof) |
| Safety Certification | ETL Listed |
| Operating Temperature | -22°F to 122°F (-30°C to 50°C) |
| Material | Composite (Heavy-Duty Cable) |

Image: The charger is ETL Listed, indicating advanced protection against over-voltage, over-current, and overheating for reliable electrical safety.

Image: Comparison showing Level 2 (32A) charging at 22 miles/hour (rapid) versus Level 1 (16A) at 5 miles/hour (slow), based on a Mustang Mach-E (88kWh Battery).
4. Setup
4.1 Site Preparation
- Ensure you have a dedicated NEMA 14-50 240V outlet installed by a certified electrician. This outlet is typically used for electric ranges or RVs.
- The charger is IP55 rated, allowing for outdoor use. Choose a location that is convenient for parking your vehicle and accessing the power outlet.

Image: Illustration of the NEMA 14-50 plug and its compatibility with a standard 240V 4-prong outlet.
4.2 Connecting the Charger
- Uncoil the charging cable, ensuring there are no kinks or damage.
- Insert the NEMA 14-50 plug firmly into the dedicated 240V NEMA 14-50 wall outlet.
- The charger will perform a self-check, and the indicator lights on the charger handle will illuminate, indicating it is ready for use.

Image: Visual guide demonstrating plugging the NEMA 14-50 connector into the wall outlet and the J1772 connector into an EV.

Image: An overhead view showing the 25-foot heavy-duty cable reaching two parked electric vehicles in a driveway, highlighting its extended reach.
5. Operating Instructions
5.1 Charging Your Electric Vehicle
- With the NEMA 14-50 plug securely connected to the wall outlet, open your vehicle's charging port cover.
- Align the J1772 connector with your vehicle's charging inlet and push it in firmly until it clicks into place.
- The charger's indicator lights and your vehicle's dashboard will show that charging has begun. The charger's smart monitoring system tracks real-time charging data including Amps, Voltage, and Temperature.
- Charging will automatically stop when your vehicle's battery is full or if an error is detected.

Image: A hand holding the J1772 connector, about to plug it into an EV charging port, illustrating universal compatibility with various EV brands.

Image: A tablet screen displaying 'Charging 32A, 80% charged, 49 min left', demonstrating the smart monitoring feature of the charger.
5.2 Disconnecting the Charger
- Before disconnecting, ensure the charging session has ended, either automatically or by stopping it via your vehicle's controls.
- Press the release button on the J1772 connector handle and pull it out from your vehicle's charging inlet.
- Replace the charging port cover on your vehicle.
- Unplug the NEMA 14-50 connector from the wall outlet when charging is complete or if the charger will not be used for an extended period.
- Coil the cable neatly and store the charger in its carrying case.

Image: The portable EV charger being used at an RV park, demonstrating its suitability as a travel backup for road trips.
6. Maintenance
6.1 Cleaning
- Ensure the charger is unplugged from the power source before cleaning.
- Wipe the exterior of the charger and cable with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Keep the connectors free from dust, dirt, and moisture.
6.2 Cable Care
- Avoid driving over the cable or placing heavy objects on it.
- Store the cable neatly coiled to prevent tangling and damage.
- The heavy-duty cable is designed to remain flexible even in cold weather, down to -22°F.

Image: An electric vehicle charging in snowy conditions, demonstrating the charger's IP55 waterproof rating and flexibility in extreme cold (-22°F) and heat (122°F).

Image: A cross-section comparison of a 16.8mm diameter pure copper core cable (ours) versus a 12mm diameter cable (others), highlighting the thicker, safer design for cooler charging.
7. Troubleshooting
If you encounter issues with your WenStorm EV Charger, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger not powering on | NEMA 14-50 plug not fully inserted or no power from outlet. | Ensure the NEMA 14-50 plug is fully seated. Check the circuit breaker for the outlet. |
| Vehicle not charging | J1772 connector not fully engaged, vehicle charging port issue, or charger error. | Ensure the J1772 connector is firmly clicked into the vehicle's port. Check vehicle's charging settings. Observe charger indicator lights for error codes. |
| Slow charging speed | Vehicle settings limiting charge rate or external factors. | Verify your vehicle's charging settings are not limiting the amperage. Ensure the charger is connected to a 240V NEMA 14-50 outlet. |
| Charger indicator lights show an error | Internal fault, over-temperature, or ground fault detected. | Unplug the charger from the wall outlet and the vehicle. Wait 5 minutes, then reconnect. If the error persists, contact customer support. |
8. Warranty and Support
8.1 Warranty Information
The WenStorm 25FT Level 2 EV Charger (Model Z7B) comes with a 30-day hassle-free return and exchange policy. Please refer to your purchase documentation for specific terms and conditions.
8.2 Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact WenStorm customer support through the platform where you purchased the product or visit the official WenStorm website for contact information.