1. Introduction
This manual provides essential information for the safe and efficient use of your Lion Energy UT1300 BT LiFePO4 Deep Cycle Battery. The UT1300 BT is a 105Ah, 12.8V, 1344WH lithium iron phosphate battery featuring an integrated Battery Management System (BMS) and Bluetooth connectivity for monitoring. It is designed for auxiliary power applications in RVs, campers, marine vessels, and off-grid setups.

Image 1.1: The Lion Energy UT1300 BT LiFePO4 Deep Cycle Battery, showcasing its compact design and terminal posts.
2. Setup and Installation
Before installation, ensure all components are present and undamaged. The UT1300 BT battery is lightweight, weighing approximately 23 lbs, and offers unlimited mounting capability, allowing for flexible placement in various applications.
2.1 Unpacking
Carefully remove the battery from its packaging. Inspect the battery for any visible damage. If damage is found, do not proceed with installation and contact customer support.
2.2 Connection
Connect the battery terminals to your system using appropriate cables and connectors. Ensure all connections are secure and properly tightened to prevent arcing and ensure optimal performance. The battery is equipped with standard UT terminals.

Image 2.1: A person connecting cables to the battery terminals, demonstrating proper setup procedure.
2.3 Important Note
NOTICE: This battery is for auxiliary power only. It is not designed or intended for use as a starter battery.
3. Operating Instructions
The UT1300 BT battery is designed for ease of use and includes advanced features for monitoring and protection.
3.1 Bluetooth Connectivity
The integrated Bluetooth module allows you to monitor your battery's status, charge level, and other vital parameters directly from your mobile device. Download the official Lion Energy app from your device's app store and follow the in-app instructions to connect to your UT1300 BT battery.

Image 3.1: The UT1300 BT battery, illustrating its key features including Bluetooth compatibility for remote monitoring.
3.2 Battery Management System (BMS)
The built-in BMS is the core intelligence of the battery, protecting it from common causes of failure such as temperature fluctuations, overcharge, over-discharge, and ground faults. The BMS regulates the power flow to ensure safe operating conditions for the lithium-ion cells and the connected system.
3.3 Charging
The UT1300 BT supports fast charging, approximately 15% faster than traditional batteries. For optimal performance and longevity, use a compatible LiFePO4 charger. The recommended charging voltage is between 13.9V and 14.6V, with a maximum charge rate of up to 100A.
4. Maintenance
The Lion Energy UT1300 BT LiFePO4 battery is designed to be maintenance-free. It retains its charge for up to two years without the need for trickle charging or fluid checks, unlike lead-acid batteries. Regular visual inspection of the terminals and cables for corrosion or damage is recommended.
5. Troubleshooting
If you encounter issues with your UT1300 BT battery, consider the following common troubleshooting steps:
- Battery Not Charging: Verify that your charger is compatible with LiFePO4 batteries and is properly connected. Check the charging voltage and current. Ensure the BMS has not activated a protection mode (e.g., due to extreme temperature or over-discharge).
- No Power Output: Check all cable connections for tightness and corrosion. Ensure the battery is adequately charged. The BMS may have disconnected the battery due to a fault; try disconnecting and reconnecting the load after a few minutes.
- Bluetooth Connectivity Issues: Ensure your mobile device's Bluetooth is enabled and within range. Restart the Lion Energy app. If issues persist, try restarting your mobile device.
- Reduced Performance: Ensure the battery is operating within its specified temperature range (-4°F to 131°F). Extreme temperatures can affect performance.
For persistent issues, refer to the support section for contact information.
6. Specifications
Detailed technical specifications for the Lion Energy UT1300 BT LiFePO4 Deep Cycle Battery:

Image 6.1: An infographic summarizing the key technical specifications of the UT1300 BT battery.
| Feature | Specification |
|---|---|
| Model | UT 1300 BT |
| Battery Chemistry | Prismatic Cell Lithium Iron Phosphate (LiFePO4) |
| Battery Capacity | 1344Wh / 105Ah |
| Nominal Voltage | 12.8V |
| Continuous Discharge | 150A continuous output |
| Operating Temperature | -4°F to 131°F (-20°C to 55°C) |
| Recommended Charging Voltage | 13.9V - 14.6V |
| Maximum Charge Rate | Up to 100A |
| Weight | 23 lbs (10.4 kg) |
| Dimensions (L x W x H) | 10.2" x 6.6" x 8.8" (up to 9.8" with battery posts) |
| Item Model Number | 50170143 |
| UPC | 858311007580 |
7. Warranty Information
The Lion Energy UT1300 BT LiFePO4 Deep Cycle Battery comes with a limited lifetime warranty. For specific terms, conditions, and to register your product, please visit the official Lion Energy website or contact customer support.
8. Support
For technical assistance, warranty claims, or any questions regarding your Lion Energy UT1300 BT battery, please contact Lion Energy customer support through their official website or the contact information provided with your purchase.
