Dawnice 16kWh 51.2V 314Ah Wall-Mounted Power Home Battery Backup Solar Storage System

1. Introduction

This manual provides essential instructions for the safe and efficient installation, operation, and maintenance of your Dawnice 16kWh 51.2V 314Ah Wall-Mounted Power Home Battery Backup Solar Storage System with 10KW Off-Grid Inverter. Please read this manual thoroughly before using the product and retain it for future reference. Proper adherence to these instructions will ensure optimal performance and longevity of your system.

2. Safety Information

Warning: This system involves high voltage and high current. Improper installation or operation can result in serious injury or death. Always observe the following safety precautions:

• Installation must be performed by qualified and certified professionals in accordance with all local and national electrical codes.
• Do not attempt to open or repair the battery or inverter components. Refer all servicing to authorized personnel.
• Ensure the system is completely de-energized before performing any maintenance or connection work.
• Keep children and unauthorized personnel away from the system.
• Avoid contact with water or other liquids.
• Use appropriate personal protective equipment (PPE) during installation and maintenance.

3. Product Overview

The Dawnice Solar Storage System combines a high-capacity LiFePO4 battery with a powerful off-grid inverter to provide reliable energy storage and conversion for home use, emergencies, camping, and RV applications. The system is designed for wall-mounted installation and features a robust, user-friendly design.

Key Components:

• 16kWh 51.2V 314Ah LiFePO4 Battery: Composed of 16S1P 3.2V 314Ah A-grade cells, offering a maximum power output of 7680W and a maximum discharge current of 150A. It includes a built-in 150A Battery Management System (BMS) for comprehensive protection against overcharging, over-discharging, over-current, overheating, and short circuits. The battery boasts a long cycle life of over 6000 cycles and an expected lifespan exceeding 15 years.
• 10KW Off-Grid Inverter: A 48V split-phase inverter designed for home energy storage, capable of meeting power demands from 5kW to 16kW. It supports parallel connection for up to three devices and features an intelligent display for enhanced operation and maintenance.

Physical Features:

• Wall-mounted design with a fully removable bracket for flexible installation.
• Smart LED touchscreen for easy monitoring and management.
• Equipped with freewheeling casters for convenient positioning before wall mounting.

Figure 1: Dawnice 16kWh Battery and 10KW Off-Grid Inverter System.

Figure 2: Features of the Dawnice 51.2V 314Ah Battery, including the smart LED touchscreen and freewheeling casters.

Figure 3: The Dawnice 10KW All-in-one Solar MPPT Inverter Charger, showing key specifications and dimensions.

4. Setup

Proper setup is crucial for the safe and effective operation of your solar storage system. It is strongly recommended that installation be carried out by a certified electrician or solar professional.

Installation Steps:

1. Site Selection: Choose a dry, well-ventilated area, protected from direct sunlight and extreme temperatures. Ensure the wall can support the weight of the unit.
2. Mounting: Securely mount the battery and inverter units to the wall using the provided brackets. The battery unit features freewheeling casters for easier positioning before final mounting.
3. Wiring Connections: Connect the solar panels, battery, grid power, and home load to the inverter according to the wiring diagram. Ensure all connections are tight and correctly polarized. MC4 connectors are included for solar panel connections.
4. Inverter Compatibility: This system is compatible with mainstream brand inverters available on the market. Ensure your existing or new inverter is compatible with a 48V system.
5. Initial Power-Up: Follow the inverter's specific power-up sequence. Verify all indicators are normal before connecting the load.

Figure 4: Connection diagram illustrating the wiring of solar panels, grid, battery, and home load to the Dawnice inverter.

5. Operating Instructions

Once installed, the Dawnice system is designed for intuitive operation. The smart LED touchscreen provides real-time information and control.

Using the Smart LED Touchscreen:

• The touchscreen allows you to monitor the system's status, including State of Charge (SOC), Voltage (V), Current (A), and Capacity (Ah) of the battery.
• Access the BMS Management System to view detailed battery specific parameters and historical records.
• The intelligent display provides warnings and protection status, ensuring you are informed of any operational issues.

System Operation:

• The 10KW off-grid inverter provides pure sine wave AC output, compatible with a wide range of household appliances.
• The system can operate in various modes, utilizing solar power, battery storage, and grid power as configured.
• For increased power demands, up to three inverter units can be connected in parallel.

Figure 5: The LED touchscreen interface displaying the BMS Management System, allowing users to check battery conditions and parameters.

6. Maintenance

The Dawnice solar storage system is designed for minimal maintenance, thanks to its robust LiFePO4 battery technology and integrated BMS. However, periodic checks are recommended to ensure optimal performance and safety.

• Visual Inspection: Regularly inspect the system for any signs of damage, loose connections, or corrosion.
• Cleaning: Keep the ventilation openings of the inverter and battery clear of dust and debris to prevent overheating. Use a dry, soft cloth for cleaning.
• Connection Checks: Periodically verify that all electrical connections are secure.
• Software Updates: If available, ensure the inverter's firmware is up to date for improved performance and features.

The built-in 150A BMS actively protects the battery from various conditions, contributing to its long, maintenance-free operational life.

7. Troubleshooting

If you encounter issues with your Dawnice solar storage system, refer to the following general troubleshooting steps. For complex problems, contact Dawnice technical support.

• No Power Output: Check if the inverter is powered on. Verify all circuit breakers and fuses are in the ON position. Inspect all wiring connections for looseness or damage.
• Battery Not Charging: Ensure solar panels are receiving adequate sunlight. Check solar panel connections and the input voltage/current on the inverter display. Verify the battery's SOC on the touchscreen.
• Inverter Error Codes: Refer to the inverter's intelligent display for any error codes or warning messages. Consult the inverter's specific manual for detailed explanations of these codes.
• System Overheating: Ensure the system is installed in a well-ventilated area. Clear any obstructions from the inverter's cooling vents.

If the problem persists after performing these checks, please contact Dawnice customer support for assistance.

8. Specifications

9. Warranty and Support

Dawnice is committed to providing high-quality products and excellent customer service.

• Warranty: Your Dawnice solar storage system is covered by a 10-Year limited Warranty.
• Technical Support: We offer lifetime technical support for our products.

For any questions, technical assistance, or warranty claims, please contact the Dawnice support team. Your feedback is valuable and helps us improve our products and services.