1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your WOLFBOX Level 2 EV Charger E40. Please read this manual thoroughly before using the product to ensure safe and efficient operation. Retain this manual for future reference.
The WOLFBOX E40 is a 40 Amp Level 2 Electric Vehicle (EV) charging station designed for both indoor and outdoor use. It features a smart display, RFID card access, Wi-Fi connectivity for app management, and a 25ft charging cable with a J1772 connector and NEMA 14-50 plug.
2. Package Contents
Verify that all items listed below are present in your package:
- WOLFBOX Level 2 EV Charger Unit
- Connector Holder
- Wall Mount Bracket
- 1 Management Card and 2 RFID Charging Cards
- User Manual (this document)
- Amperage Label
- Self-tapping Screws (x11)
- Plastic Expansion Tubes (x11)
- Machine Screws (x2)
- Anti-theft Locking Piece

Image: Illustration of the WOLFBOX EV Charger and its included accessories, such as the charger unit, cables, mounting hardware, and RFID cards.
3. Product Overview
The WOLFBOX E40 EV Charger is designed for efficient and convenient electric vehicle charging. Key features include:
- Fast Charging: Provides up to 40 Amps (9.6 kW) charging power, delivering approximately 38 miles of range per hour.
- Smart Display: A 4.3-inch LCD screen displays real-time charging information including voltage, current, charging duration, and charged amount.
- RFID Card Access: Use the provided RFID cards to initiate and stop charging sessions, preventing unauthorized use.
- Wi-Fi Connectivity & App Control: Manage charging sessions, adjust current intensity, schedule charging times, and monitor data via a dedicated smartphone application.
- Durable Design: NEMA 4X waterproof and dustproof housing ensures resilience in various outdoor and indoor conditions.
- Universal Compatibility: Compatible with all J1772 electric vehicle models. A separate adapter is required for Tesla vehicles.
- Safety Certifications: CSA certified and meets UL safety standards (UL2594 standard).

Image: The WOLFBOX Level 2 EV Charger E40 unit, showing the main body, the NEMA 14-50 plug, and the J1772 charging connector, along with a smartphone displaying the charging app interface.

Image: Close-up of the WOLFBOX EV Charger's 4.3-inch smart LCD display showing charging status, and an RFID card being held near the unit for access.
4. Installation Guide
The WOLFBOX E40 EV Charger is designed for flexible installation. For optimal performance and safety, it is recommended to install the charger on a circuit breaker rated at 50A or greater.
4.1 Safety Precautions
- Installation should be performed by a qualified electrician in accordance with all local and national electrical codes.
- Ensure the main power supply is turned off before beginning any installation work.
- Verify that the NEMA 14-50R outlet is properly installed and grounded.
- Do not install the charger in direct sunlight if possible, as extreme heat can affect performance.
4.2 Mounting the Charger
- Select a suitable mounting location that is close to your NEMA 14-50R outlet and within reach of your vehicle's charging port using the 25ft cable.
- Use the provided wall mount bracket as a template to mark drilling points on the wall.
- Drill holes and insert the plastic expansion tubes. Secure the wall mount bracket using the self-tapping screws.
- Attach the connector holder to the wall near the charger for convenient storage of the J1772 plug.
- Mount the WOLFBOX EV Charger unit onto the secured wall mount bracket.
4.3 Electrical Connection
Simply plug the NEMA 14-50 plug of the WOLFBOX EV Charger into your installed NEMA 14-50R outlet. Ensure the connection is secure.

Image: Diagram illustrating the installation process of the WOLFBOX EV Charger, showing the wall mounting and connection to a NEMA 14-50 outlet.

Image: The WOLFBOX EV Charger installed on a wall, with its 25ft cable and NEMA 14-50 plug clearly visible, ready for use.
5. Operating Instructions
5.1 Initial Power-Up
After installation, turn on the circuit breaker. The charger's LCD screen will illuminate, indicating it is ready for operation. The LED light strip will show its status.
5.2 Connecting to Your EV
- Open your electric vehicle's charging port.
- Insert the J1772 charging connector firmly into your vehicle's charging port. Ensure it clicks into place.
- For Tesla vehicles, use a compatible J1772 to Tesla adapter (sold separately).
5.3 Starting a Charge Session
You can start a charging session using one of the following methods:
- RFID Card: Swipe one of the provided RFID cards over the designated sensor area on the charger. The charger will authenticate the card and begin charging.
- Mobile App: Use the WOLFBOX EV Charger app (see Section 6) to initiate charging remotely or via scheduled sessions.
- Plug and Charge: If configured in the app, the charger can automatically begin charging once the connector is plugged into the vehicle.
5.4 Monitoring Charging
The 4.3-inch LCD screen on the charger displays real-time charging data:
- Voltage: Current electrical voltage.
- Current: Amperage being delivered.
- Charging Duration: Elapsed time of the current charging session.
- Charged Amount: Total energy (kWh) delivered.
- Temperature: Internal operating temperature of the charger.

Image: A close-up of the WOLFBOX EV Charger's display showing charging information and the RFID card slot.
5.5 Stopping a Charge Session
To stop charging:
- RFID Card: Swipe the RFID card again over the sensor.
- Mobile App: Use the app to end the charging session.
- Vehicle Controls: Some vehicles allow stopping the charge from their internal controls.
- Unplug: Safely remove the J1772 connector from your vehicle.
6. Smart Features and App Integration
The WOLFBOX E40 charger offers advanced smart features through its dedicated mobile application, available for both Android and iOS devices. The app connects to the charger via Wi-Fi.
6.1 App Setup
- Download the WOLFBOX EV Charger app from your smartphone's app store.
- Create an account or log in using your Google account.
- Follow the in-app instructions to connect your charger to your home Wi-Fi network.
6.2 App Functions
- Real-time Monitoring: View charging duration, power, voltage, current, and temperature.
- Scheduled Charging: Set specific start and end times for charging sessions to take advantage of off-peak electricity rates.
- Adjustable Current: Select your desired charging current (e.g., 16A, 24A, 32A, 40A) to optimize charging speed or extend battery life.
- Remote Control: Start or stop charging sessions from anywhere with an internet connection.
- Charging Records: Access detailed charging statistics and cost data over time.
- Voice Control: Seamlessly integrates with Amazon Alexa and Google Assistant for voice commands.
- Multi-user Access: Share device control with multiple users in your household.

Image: A collage of smartphone screens demonstrating various features of the WOLFBOX EV Charger app, including real-time monitoring, scheduled charging, adjustable power, and multi-user management.
7. Safety Information
The WOLFBOX E40 EV Charger is built with multiple safety features to protect both the charger and your vehicle. Adhere to the following safety guidelines:
- Do not attempt to open or repair the charger unit yourself. Contact customer support for assistance.
- Ensure the charging cable is not damaged before each use. Do not use if the cable or connector is frayed, cracked, or otherwise compromised.
- Keep the charging area clear of flammable materials.
- Do not immerse the charger or its components in water. While it is waterproof, it should not be submerged.
- Supervise children and pets around the charging station.
- In case of smoke, unusual odors, or abnormal operation, immediately disconnect power to the charger at the circuit breaker.
7.1 Built-in Protections
- Ground Fault Protection: Protects against electrical shock.
- Over-Current Protection: Prevents damage from excessive current.
- Leakage Current Protection: Detects and mitigates current leakage.
- Thermal Protection: Monitors and prevents overheating.
- High/Low Voltage Protection: Safeguards against voltage fluctuations.
- Over Charge Protection: Prevents overcharging of the vehicle battery.
- Lightning Protection: Offers defense against lightning strikes.

Image: Visual representation of the WOLFBOX EV Charger's NEMA 4X protection, showing its resistance to water, dust, cold temperatures (down to -22°F), and heat (up to 122°F).

Image: Icons representing the various electrical protection features of the WOLFBOX EV Charger, including ground fault, over-current, leakage current, thermal, high voltage, low voltage, over charge, and lightning protection.
8. Maintenance
Regular maintenance ensures the longevity and safe operation of your WOLFBOX EV Charger.
- Cleaning: Wipe the charger unit and cable with a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure the unit is powered off before cleaning.
- Cable Inspection: Periodically inspect the charging cable and connector for any signs of wear, damage, or corrosion.
- Firmware Updates: The charger supports Over-The-Air (OTA) updates. Ensure your charger is connected to Wi-Fi to receive the latest firmware for optimal performance and security. Check the app for available updates.
- Storage: When not in use, store the J1772 connector in its holder to protect it from dust and moisture.
9. Troubleshooting
If you encounter issues with your WOLFBOX EV Charger, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger not powering on. | No power from the outlet; circuit breaker tripped. | Check the NEMA 14-50R outlet and ensure the circuit breaker is in the ON position. |
| Charging does not start. | Connector not fully inserted; RFID card not recognized; app issue; vehicle not ready to charge. | Ensure the J1772 connector is securely plugged into the vehicle. Re-swipe the RFID card. Check the app for error messages or charging schedules. Verify your vehicle is ready to accept a charge. |
| Slow charging speed. | Current setting is low; vehicle limitation; power supply issue. | Adjust the charging current setting in the mobile app to a higher value (up to 40A). Confirm your vehicle can accept higher charging rates. Ensure the electrical supply is stable. |
| Wi-Fi connection issues. | Incorrect Wi-Fi password; charger out of range; router issues. | Verify Wi-Fi password in the app. Move the charger closer to the router or use a Wi-Fi extender. Restart your router. |
| Error message on display. | Internal fault; external electrical issue. | Note the error code and refer to the app or contact WOLFBOX customer support for specific guidance. |
If the problem persists after attempting these solutions, please contact WOLFBOX customer support.
10. Specifications
| Feature | Detail |
|---|---|
| Model | E40 |
| Power Output | Up to 9.6 kW |
| Current Output | 16A/24A/32A/40A (Adjustable) |
| Voltage | 208-240 V AC |
| Compatibility | SAE J1772 EVs/PHEVs in NA (Tesla requires an adapter) |
| Circuit Breaker Rating | 50A or Greater (Recommended) |
| Installation | Indoor/Outdoor |
| Connection Method | NEMA 14-50 Plug |
| Cable Length | 25 feet |
| Dimensions (H x W x D) | 12.68" x 7.46" x 4.76" |
| Item Weight | 13.5 pounds |
| Protection Rating | NEMA 4X, IP66 |
| Safety Certifications | CSA/FCC/Energy Star |
| Wi-Fi | 2.4 GHz 802.11 b/g/n |
| Upgrade Capability | OTA (Over-The-Air updates) |

Image: A visual summary of the WOLFBOX EV Charger's technical specifications, including power output, voltage, current, compatibility, and physical dimensions.
11. Warranty and Support
WOLFBOX provides comprehensive support for its products.
11.1 Warranty Information
The WOLFBOX Level 2 EV Charger E40 typically comes with a manufacturer's warranty. Please refer to the warranty document included in your package or visit the official WOLFBOX website for the most up-to-date warranty terms and conditions. Protection plans may also be available for extended coverage.
11.2 Customer Support
For technical assistance, troubleshooting, or warranty claims, please contact WOLFBOX customer support:
- Online Support: Visit the official WOLFBOX website for FAQs and support resources.
- Email Support: Refer to your product packaging or the official website for the customer service email address.
- Phone Support: Contact numbers may be available on the official WOLFBOX website.
WOLFBOX offers 24/7 customer support and lifetime assistance for your product.

Image: A visual representation highlighting WOLFBOX's commitment to quality, performance, and customer care, including 24/7 customer support, lifetime assistance, and OTA updates.





