DC HOUSE 12V 150Ah LiFePO4 Lithium Battery and 4-Way Monitor Instruction Manual

1. Introduction

Thank you for choosing the DC HOUSE 12V 150Ah LiFePO4 Lithium Battery with 4-Way Battery Monitor. This system is designed for reliable power in various applications, including marine, RV, solar, and trolling motors. It features advanced battery management, Bluetooth connectivity, and low-temperature protection to ensure optimal performance and longevity.

This manual provides essential information for the safe and efficient operation of your battery system. Please read it thoroughly before installation and use.

2. Safety Information

Always prioritize safety when handling batteries. Failure to follow these guidelines may result in damage to the battery, property, or personal injury.

Read the Manual: Understand all instructions and warnings before use.
Proper Handling: Avoid dropping or subjecting the battery to severe impacts. Use the integrated handle for safe transport.
Ventilation: Ensure adequate ventilation around the battery, especially during charging.
Temperature Limits: Do not charge the battery below 0°C (32°F) or discharge below -22°C (-4°F). The built-in Battery Management System (BMS) will automatically prevent operation outside these limits.
Short Circuit Protection: Avoid short-circuiting the battery terminals. Use appropriate tools and insulated gloves during installation.
Charging: Use only LiFePO4 compatible chargers. Ensure the charger voltage and current settings are correct for 12.8V LiFePO4 batteries.
Connection: Connect batteries in series or parallel only as instructed in the setup section. Incorrect connections can cause severe damage.
Emergency: In case of fire, use a Class D fire extinguisher. Do not use water.

3. Package Contents

Your DC HOUSE 12V 150Ah LiFePO4 Lithium Battery system includes the following components:

DC HOUSE 12V 150Ah LiFePO4 Lithium Battery (Quantity: 4 for 4-pack)
4-Way Battery Monitor
M8 Terminal Bolts (2 per battery)
Insulating Caps (2 per battery)
0.078" (2mm) Washers (2 per battery)

Note: The package may be shipped in multiple deliveries. If you receive only one package, the others will arrive within 2-3 days.

Unboxing of Li Time 12.8V 100Ah LiFePO4 Battery showing contents — Text Description: A person unboxes a Li Time 12.8V 100Ah LiFePO4 battery. The video shows the battery, quick start guide, product manual, M8 terminal bolts, insulating caps, and washers included in the package. The battery features an easy-to-carry handle and is shown to be IP65 waterproof.

4. Setup

4.1 Physical Installation

Dimensions: The battery measures 14.5"D x 8.3"W x 8.11"H and weighs 35.2 pounds. Ensure your installation location can accommodate these dimensions and weight.
Terminals: The battery uses M8 terminals. Secure connections using the provided M8 terminal bolts and washers.
Handle: Utilize the integrated handle for easier carrying and positioning of the battery.

DC HOUSE 12V 150Ah LiFePO4 battery with dimensions and weight indicated — Text Description: An image of the DC HOUSE 12.8V 150Ah LiFePO4 battery showing its dimensions (14.5 inches length, 8.3 inches width, 8.11 inches height) and weight (35.16 lbs). It also highlights the M8 terminal size.

4.2 Battery Connections (Series/Parallel)

This system supports connecting multiple batteries for increased voltage or capacity. Refer to the following guidelines:

Parallel Connection: Connect batteries in parallel to increase total capacity (Ah) while maintaining the same voltage (12.8V).
Series Connection: Connect batteries in series to increase total voltage (e.g., two 12.8V batteries in series for 25.6V, three for 38.4V, four for 51.2V) while maintaining the same capacity (150Ah).
Mixed Configurations: For specific voltage and capacity requirements, batteries can be arranged in series-parallel configurations (e.g., 4P2S for 25.6V 300Ah).

Text Description: This video demonstrates various battery configurations for electric outboard motors. It shows how multiple 12.8V 100Ah LiFePO4 batteries can be connected in series (2S1P for 24V, 3S1P for 36V, 4S1P for 48V, 5S1P for 60V) to achieve higher voltage systems for different motor power requirements. It also highlights the compact size, light weight, long lifespan, and IP65 water/dust proof rating of the batteries, along with Bluetooth 5.0 connectivity for smart control and monitoring via an app.

4.3 Bluetooth App Installation and Pairing

The DC HOUSE battery monitor connects directly to the battery's BMS via Bluetooth for precise data monitoring.

Download the dedicated DC HOUSE app from your smartphone's app store (iOS or Android).
Ensure Bluetooth is enabled on your smartphone.
Open the DC HOUSE app and follow the on-screen instructions to scan for and pair with your battery monitor.
Once paired, the app will display real-time battery data.

DC HOUSE App showing real-time battery parameters and control options — Text Description: A smartphone screen displays the DC HOUSE app interface, showing real-time battery parameters such as total voltage, current, SOC, and individual cell voltages. The app allows for monitoring and control of the battery system, with multiple pages for detailed information and fault warnings.

5. Operating Instructions

5.1 Real-Time Monitoring

The 4-way battery monitor and Bluetooth app provide comprehensive real-time data:

Voltage: Monitor the overall battery voltage and individual cell voltages.
Current: View real-time charging and discharging current.
State of Charge (SOC): Accurately track the remaining battery capacity.
Temperature: Monitor battery temperature to ensure safe operating conditions.

DC HOUSE 12V 150Ah LiFePO4 Lithium Battery system with 4-way monitor and smartphone app displaying data — Text Description: An image showing four DC HOUSE 12.8V 150Ah LiFePO4 batteries connected to a 4-way battery monitor. A smartphone screen displays the app interface, showing simultaneous monitoring of voltage, current, SOC, and individual cell data for all four batteries.

5.2 LED Indicators

The battery features LED indicators to quickly assess its status:

SOC Lights: Indicate remaining battery capacity (0%, 25%, 50%, 75%, 100%).
Status Lights: Indicate various protection states such as High Temperature (H Temp), Low Temperature (L Temp), Over Voltage (OVP), Under Voltage (UVP), Over Current (OCP), and BMS Fault.

DC HOUSE 12V 150Ah LiFePO4 battery with LED panel indicators for status and SOC — Text Description: A close-up image of the DC HOUSE 12.8V 150Ah LiFePO4 battery's LED panel. It shows indicators for Bluetooth communication (COMM), State of Charge (0%, 25%, 50%, 75%, 100%), and various protection statuses including High Temp, Low Temp, Over Voltage, Under Voltage, Over Current, and BMS Fault. The panel automatically goes to sleep after 3 minutes.

5.3 Low-Temperature Protection

The battery's built-in BMS includes low-temperature protection:

Charging Cut-off: Charging automatically stops when the battery temperature drops below 0°C (32°F). Charging recovers when the temperature rises above 5°C (41°F).
Discharging Cut-off: Discharging automatically stops when the battery temperature drops below -20°C (-4°F).

DC HOUSE 12V 150Ah LiFePO4 battery with low temperature cut-off protection details — Text Description: An image illustrating the low-temperature cut-off protection features of the DC HOUSE 12.8V 150Ah LiFePO4 battery. It specifies that charging is cut off below 0°C (32°F) and recovers above 5°C (41°F), while discharging is cut off below -20°C (-4°F).

6. Maintenance

Regular Inspection: Periodically check battery terminals for corrosion and ensure connections are tight.
Cleaning: Keep the battery clean and dry. Use a soft, damp cloth to wipe the exterior.
Storage: For long-term storage, charge the battery to 50-70% SOC and store in a cool, dry place. Avoid extreme temperatures.
Charging: Fully charge the battery before initial use and after each deep discharge to maximize lifespan.

7. Troubleshooting

The battery system is equipped with anomaly notifications and customizable alerts to assist with troubleshooting.

BMS Fault: If the BMS Fault LED illuminates or a buzzer alert sounds, check the app for specific fault details (e.g., over/under voltage, overcurrent, high/low temperature).
No Power Output: Verify all connections are secure. Check the battery's SOC via the app or LED indicators. Ensure no protection mechanisms (e.g., low-temp cut-off) are active.
Bluetooth Connection Issues: Ensure your phone's Bluetooth is on and within range. Restart the app or cycle the battery monitor's power if necessary.

DC HOUSE App displaying anomaly notifications for battery faults — Text Description: An image showing a house with solar panels and a DC HOUSE battery system. A smartphone displays the DC HOUSE app with a 'Fault' tab open, indicating single cell voltage too high warnings. The battery's LED panel also shows a 'BMS Fault' light illuminated, accompanied by a buzzer cue, signaling an anomaly.

8. Specifications

Feature	Specification
Model	ECO-LFP1215005
Rated Capacity	150Ah
Rated Voltage	12.8V
Operation Voltage	10-14.6V
Standard Charge/Discharge Current	75A/75A
Maximum Continuous Charge/Discharge Current	120A/120A
Peak Current	145A/10s
Number of Series and Parallel Connection	4P2S/2P4S (Example configurations)
Charging Voltage	14.6V
Product Dimensions (L x W x H)	14.5"D x 8.3"W x 8.11"H (358210206mm)
Item Weight	35.2 pounds (15.95 kg)
Operation Temperature Range	Charge: 0-55°C / Discharge: -20-55°C
Terminal Type	M8
Case Material	ABS
Lifespan	Up to 15,000 cycles
Certifications	UL, CE

DC HOUSE 12V 150Ah LiFePO4 battery specifications table — Text Description: A visual representation of the DC HOUSE 12.8V 150Ah LiFePO4 battery's specifications, including model number, rated capacity, voltage, charge/discharge currents, dimensions, weight, operating temperature, terminal type, and case material.

9. Applications

The DC HOUSE 12V 150Ah LiFePO4 Lithium Battery system is versatile and suitable for a wide range of applications:

RV & Camper Trucks: Provides reliable power for recreational vehicles.
Marine & Boats: Excellent for marine applications, including trolling motors.
Solar Systems: Ideal for energy storage in off-grid or grid-tied solar setups.
Off-Grid Power: Suitable for various off-grid power needs.

Table showing battery quantity recommendations for various RV types — Text Description: A table providing recommendations for the number of 12V 150Ah batteries suitable for different RV types (Class B, Class C, Travel Trailer, Camper Truck) based on solar panel kit wattage and desired kWh storage.

Table showing trolling motor battery capacity needs and run times — Text Description: A table detailing battery capacity needs and estimated running times for trolling motors with different thrust levels (12V 55lbs, 12V 62lbs, 24V 86lbs) at high, mid, and low speeds, using 150Ah batteries.

10. Warranty & Support

Your DC HOUSE LiFePO4 battery system is backed by a 3-year warranty. For any technical assistance, troubleshooting, or warranty claims, please contact our professional technical support team. Refer to the product packaging or our official website for contact information.

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DC HOUSE ECO-LFP1215005