1. Introduction
Thank you for choosing the Wattsaving EV Charger. This manual provides essential information for the safe and efficient installation, operation, and maintenance of your electric vehicle charging station. Please read this manual thoroughly before using the product and retain it for future reference.
The Wattsaving EV Charger is designed to provide reliable and fast charging for electric vehicles equipped with a Type 2 charging port. It supports both three-phase (22kW/11kW) and single-phase (7kW/3.5kW) charging, offering versatility for various electrical installations and vehicle requirements.
2. Safety Information
Your safety and the proper functioning of the charger are paramount. Observe all warnings and precautions listed below.
- Professional Installation: Installation must be performed by a qualified electrician in accordance with all local and national electrical codes and regulations.
- Electrical Hazard: Do not attempt to open, disassemble, repair, or modify the charger. High voltage is present inside, which can cause severe injury or death.
- Water and Moisture: Although the charger has an IP65-rated enclosure, avoid submerging it in water or exposing it to excessive moisture. Ensure hands are dry when handling the charging cable and connector.
- Cable Integrity: Regularly inspect the charging cable and connector for any signs of damage, wear, or fraying. Do not use the charger if the cable or connector is damaged.
- Emergency Stop: In case of an emergency, immediately press the emergency stop button on the charger (if available) or disconnect power at the circuit breaker.
- Children and Pets: Keep children and pets away from the charging station during operation.
The Wattsaving EV Charger incorporates multiple safety features, including:
- CE Certification
- Type A Residual Current Device (RCD)
- Lightning Protection
- Overvoltage Protection
- Undervoltage Protection
- Overcurrent Protection
- Overtemperature Protection
- Emergency Stop Button
3. Product Overview

Image 1: Wattsaving EV Charger unit with integrated Type 2 charging cable and wall mount.
The Wattsaving EV Charger is a wall-mounted charging station designed for home or private use. It features a robust enclosure and an integrated charging cable.
Key Components:
- Charger Unit: The main housing containing the electronics and control interface.
- Type 2 Charging Cable (5 meters): Permanently attached cable with a Type 2 connector for vehicle connection.
- RFID Card: Used for secure activation and deactivation of charging sessions.
- LED Indicator: Provides status feedback on charging and operational modes.
- Wall Mount: Bracket for secure installation of the charger unit.
Features:
- Fast Charging: Up to 22 kW, adding approximately 120 km of range per hour of charging.
- Secure Charging: RFID card activation ensures only authorized users can initiate charging.
- Durable Enclosure: IP65-rated for water and dust resistance, suitable for various weather conditions.
- Versatile Compatibility: Type 2 cable is compatible with a wide range of electric vehicles.
4. Specifications
| Specification | Value |
|---|---|
| Model Number | E22-BLACK-V |
| Brand | Wattsaving |
| Charging Power (Three-phase) | 22 kW / 11 kW |
| Charging Power (Single-phase) | 7 kW / 3.5 kW |
| Input Voltage | Up to 400 Volt |
| Max Current | 32 Amp |
| Charging Cable Type | Type 2 |
| Cable Length | 5 meters |
| Enclosure Rating | IP65 (Water and Dust Resistant) |
| Product Dimensions (L x W x H) | 11.6 x 20 x 33 cm |
| Item Weight | 6.88 Kilograms |
| Manufacturer | SHENZHEN WATTSAVING ELECTRICAL TECHNOLOGY CO.,LTD |

Image 2: Charger highlighting fast charging capabilities (up to 32 Amp, 400 Volt, 120 km/h at 22kW).

Image 3: Charger illustrating its comprehensive safety features, including CE certification and various protections.
5. Setup and Installation
The Wattsaving EV Charger requires professional installation. It is crucial that a qualified and certified electrician performs the installation to ensure compliance with all electrical safety standards and local regulations.
General Installation Steps (for qualified personnel):
- Site Selection: Choose a suitable location for the charger, preferably near your parking spot, with access to the main electrical panel. Ensure the surface is sturdy enough to support the charger's weight.
- Power Supply: Ensure the electrical circuit can support the charger's power requirements (up to 32A, 400V for 22kW three-phase). A dedicated circuit with appropriate overcurrent protection (circuit breaker) and a Residual Current Device (RCD) is mandatory.
- Mounting: Securely mount the charger unit to the wall using the provided mounting bracket and hardware. Ensure it is level and at an appropriate height for easy access.
- Wiring: Connect the charger to the main electrical supply. Follow the wiring diagram provided with the product packaging. Ensure all connections are tight and correctly insulated.
- Testing: After installation, the electrician must perform thorough testing to verify proper functionality and safety before initial use.
6. Operating Instructions
Operating the Wattsaving EV Charger is straightforward once installed.
Initiating a Charging Session:
- Connect to Vehicle: Open your vehicle's charging port and firmly insert the Type 2 charging connector from the Wattsaving EV Charger into the vehicle's inlet. Ensure it clicks into place.
- Activate with RFID: Hold your RFID card against the designated RFID reader area on the charger unit. The charger's LED indicator will change, typically to a solid green or blue, indicating that charging has started.
- Monitor Charging: The LED indicator on the charger and your vehicle's dashboard will show the charging status.

Image 4: Demonstrating the use of an RFID card to initiate a secure charging session.
Ending a Charging Session:
- Deactivate with RFID: Hold your RFID card against the reader again. The charger will stop the charging process.
- Disconnect from Vehicle: Once charging has stopped, unlock the charging cable from your vehicle (if necessary, via your vehicle's controls) and carefully remove the Type 2 connector.
- Store Cable: Return the charging cable to its designated holder on the wall mount to prevent damage and keep the area tidy.
7. Maintenance
Regular maintenance ensures the longevity and safe operation of your Wattsaving EV Charger.
- Cleaning: The charger's IP65-rated enclosure is durable and resistant to water and dust. Clean the exterior with a soft, damp cloth. Do not use abrasive cleaners, solvents, or high-pressure water jets. Ensure the charger is powered off before cleaning.
- Cable and Connector Inspection: Periodically inspect the charging cable and connector for any signs of damage, cracks, discoloration, or excessive wear. If any damage is observed, discontinue use and contact customer support.
- Storage: When not in use, ensure the charging cable is neatly coiled and stored on its holder to prevent tripping hazards and damage.

Image 5: The charger's IP65-rated enclosure ensures durability and protection against environmental elements.
8. Troubleshooting
If you encounter issues with your Wattsaving EV Charger, refer to the following common problems and solutions:
- Charger Not Starting:
- Ensure the charger is properly connected to the main power supply and the circuit breaker is ON.
- Verify the charging cable is securely connected to both the charger and the vehicle.
- Confirm the RFID card is correctly tapped to initiate the session.
- Check the charger's LED indicator for any error codes or status lights.
- Slow Charging:
- Ensure your vehicle is capable of accepting the charger's maximum power output.
- Check your vehicle's charging settings.
- Verify the electrical installation supports the desired power level (e.g., three-phase supply for 22kW).
- Charging Stops Unexpectedly:
- This could indicate a safety protection activation (e.g., overtemperature, overcurrent). Check the charger's LED indicator for fault signals.
- Ensure there are no loose connections.
- If the issue persists, contact customer support.
- RFID Card Not Recognized:
- Ensure the card is placed directly over the RFID reader area.
- Try another RFID card if available.
For persistent issues or complex problems, please contact Wattsaving technical support.
9. Warranty and Support
The Wattsaving EV Charger comes with a 2-year warranty from the date of purchase, covering defects in materials and workmanship under normal use. This warranty does not cover damage caused by improper installation, misuse, unauthorized modifications, or natural disasters.
For warranty claims, technical assistance, or any questions regarding your Wattsaving EV Charger, please contact Wattsaving customer support. Provide your model number (E22-BLACK-V) and proof of purchase when contacting support.
Manufacturer: SHENZHEN WATTSAVING ELECTRICAL TECHNOLOGY CO.,LTD




