1. Introduction
This manual provides essential information for the safe and efficient use of your CHINS 36V 100Ah LiFePO4 Lithium Battery. Please read this manual thoroughly before installation and operation to ensure proper functionality and longevity of your battery.
The CHINS 36V 100Ah LiFePO4 battery is a deep cycle lithium-ion battery designed for various applications including golf carts, RVs, solar energy storage, home backup power, and marine use. It features a built-in 200A Battery Management System (BMS) for protection and includes Bluetooth connectivity for real-time monitoring.

Image 1: CHINS 36V 100Ah LiFePO4 Deep Cycle Battery.
2. Safety Information
Always observe the following safety precautions:
- Do not short circuit the battery terminals.
- Do not disassemble, puncture, or modify the battery.
- Use only dedicated chargers designed for LiFePO4 batteries.
- Avoid exposing the battery to extreme temperatures outside its operating range.
- Ensure proper ventilation during charging and discharging.
- Keep out of reach of children.
3. Setup and Installation
The CHINS 36V 100Ah LiFePO4 battery is designed for easy installation. Follow these guidelines:
3.1 Unboxing and Initial Inspection
Upon receiving your battery, carefully unbox it and inspect for any signs of damage. Ensure all components, including the battery and any accompanying manuals, are present.
Video 1: Unboxing and contents of a 36V 100Ah LiFePO4 battery. This video demonstrates what to expect when unboxing your battery, including manuals and accessories.

Image 2: Top view of the CHINS 36V 100Ah battery, showing the positive and negative terminals.
3.2 Connections
Connect the battery to your system using appropriate cables and connectors. Ensure all connections are secure and correctly polarized (positive to positive, negative to negative).
- Parallel Connections: The maximum parallel connections for the 36V 100Ah LiFePO4 battery is 4. Ensure all batteries used in parallel have the same voltage and capacity, and were purchased within a 6-month period for optimal performance.
- Series Connections: Series connection is not supported for this model.

Image 3: CHINS 36V 100Ah LiFePO4 battery installed in a golf cart, demonstrating its compact fit.
Video 2: General overview of a LiFePO4 Lithium Golf Cart Battery, showing typical installation and usage scenarios.
4. Operating Instructions
4.1 Bluetooth Monitoring
The CHINS LiFePO4 battery includes a Bluetooth function, allowing you to monitor various battery data (State of Charge - SOC, voltage, current, temperature) via a mobile phone application. The wireless connection range is typically within 5-10 meters from the battery.
4.2 Charging
The battery supports fast charging and solar panel charging. Always use a compatible LiFePO4 charger. The recommended charge voltage is 42.6V-43.8V. The BMS will protect against overcharge.
4.3 Discharging
The battery is designed for deep cycle applications. The peak discharge current can reach 1000A for durations less than 5 seconds, suitable for starting high-power motors like those in golf carts. The BMS will manage discharge to prevent over-discharge.

Image 4: CHINS 36V 100Ah LiFePO4 battery integrated into a boat's power system, highlighting its versatility.
5. Maintenance
The CHINS LiFePO4 battery is designed to be maintenance-free, unlike traditional lead-acid batteries. It does not require electrolyte checks or watering.
5.1 Built-in BMS Protection
The integrated 200A BMS protects the battery from:
- Overcharge
- Over-discharge
- Over-current
- Short circuit
- High temperature cut-off (prevents charging over 50°C / 122°F)
5.2 Low Temperature Operation
The BMS includes a low-temperature cut-off function that automatically stops charging in cold environments to prevent irreversible damage. Note: This battery does not have a low-temperature charging and heating function, meaning it cannot be charged in environments below 0°C (32°F).
6. Troubleshooting
If you encounter issues with your CHINS LiFePO4 battery, consider the following:
- Battery not charging: Check charger connections, power source, and ensure ambient temperature is above 0°C (32°F). The BMS may have activated a low-temperature cut-off.
- Insufficient power for trolling motor: If using a trolling motor, ensure the battery's maximum continuous output current is at least twice the motor's requirement. Consult with CHINS engineers before purchase if unsure.
- Battery not holding charge: Verify that the battery is not being used as a car starter battery, as this is not its intended application. Check for proper parallel connections if multiple batteries are used.
- Bluetooth connectivity issues: Ensure your mobile device is within 5-10 meters of the battery and that Bluetooth is enabled.
For persistent issues, refer to the warranty and support section for assistance.
7. Specifications
| Feature | Value |
|---|---|
| Nominal Voltage | 38.4V |
| Charge Voltage | 42.6V-43.8V |
| BMS Board | 200A |
| Peak Discharge Current (less than 5 seconds) | 1000A |
| Dimensions (L x W x H) | 20.47 x 10.59 x 8.66 inches |
| Weight | 64.55 lb |
| Operating Temperature (Charge) | 0°C~50°C (32°F~122°F) |
| Operating Temperature (Discharge) | -20°C~60°C (-4°F~140°F) |
| Storage Temperature | -10°C~35°C (14°F~95°F) |
| Charging Limit Voltage | 42.6V |
| Over Voltage Disconnect Voltage | 43.8V |
| Over Voltage Reconnect Voltage | 41.4V |
| Float Charging Voltage | 41.4V |
| Low Voltage Disconnect Voltage | 34.8V |
| Low Voltage Reconnect Voltage | 37.2V |
| Under Voltage Warning Voltage | 38.4V |
| Cycle Life | 4500+ cycles |
| Manufacturer Part Number | LAF36100 |
| UPC | 755471957062 |
8. Warranty and Support
CHINS provides a 5-year quality warranty from the date of purchase. During this period, you can contact customer service for any battery-related questions. Customer service aims to reply within 24 hours and assist in resolving your issue.
If a problem cannot be resolved, CHINS will provide a prepaid label to facilitate the return of the battery and will send a replacement. CHINS is committed to ensuring a satisfactory shopping experience and comprehensive after-sales customer service.