1. Introduction
Thank you for choosing the HumsiENK 12V 310Ah LiFePO4 Lithium Battery. This manual provides essential information for the safe and efficient use, installation, and maintenance of your battery. Please read this manual thoroughly before operating the product and retain it for future reference.
The HumsiENK 12V 310Ah LiFePO4 battery is a high-performance, long-lasting power solution designed for various applications including RVs, marine boats, home energy storage, solar power systems, and off-grid setups. It features advanced LiFePO4 cell technology and an integrated Battery Management System (BMS) for optimal safety and performance.
2. Important Safety Warnings
- Fire Risk: Please mind potential fire risk and strictly follow the instruction manual for charging and storage.
- Disposal: For disposal, please check your local authority's website for more information and dispose of the lithium-ion battery safely in accordance with the applicable legal requirements.
- Ventilation: Ensure adequate ventilation around the battery during operation and charging.
- Connections: Always use appropriate cables and connectors. Ensure all connections are secure and properly insulated to prevent short circuits.
- Temperature: Do not expose the battery to extreme temperatures outside its specified operating range.
- Damage: Do not use the battery if it is damaged, swollen, or leaking. Contact support immediately.
- Children: Keep the battery out of reach of children.
3. Product Overview
The HumsiENK 12V 310Ah LiFePO4 battery offers superior performance and longevity compared to traditional lead-acid batteries. It is equipped with a robust Battery Management System (BMS) for comprehensive protection.
3.1 Key Features
- Deep Cycle Performance: Up to 15,000+ deep cycles at 60% Depth of Discharge (DOD), lasting up to 10 years.
- High Energy Density: Provides 3.968kWh of energy when fully charged, with 100% DOD.
- Premium Cells: Built with EV A+ Grade Lithium Iron Phosphate (LiFePO4) cells.
- Integrated 100A BMS: Protects against overcharging, over-discharging, overloading, and short circuits.
- Compact & Lightweight: Weighs approximately 28kg (61.73 lbs) with dimensions of 521 x 221 x 238mm (20.51 x 8.7 x 9.37 inches), making it 40% lighter than comparable lead-acid batteries.
- Fast Charging: Achieves a full charge in approximately 1.55 hours.
- Wide Temperature Range: Operates efficiently between -20℃ to 70℃ (-4℉ to 158℉) for discharge and 0℃ to 55℃ (32℉ to 131℉) for charge, with low-temperature protection.
- Waterproof Rating: IP65 rated for outdoor use.
3.2 Product Visuals
4. Specifications
| Attribute | Value |
|---|---|
| Brand Name | Humsienk |
| Model Number | 12V 310Ah |
| Type | LiFePO4 |
| Nominal Capacity | 310Ah |
| Voltage | 12.8V |
| Energy | 3968 Wh |
| Current Output | 310 A |
| Cell Type | Grade A+ LiFePO4 Cells |
| Charge Method | CC/CV (Constant Current/Constant Voltage) |
| Cycle Life | up to 15000 times |
| Size | 521 x 221 x 238mm / 20.51 x 8.7 x 9.37 in |
| Weight | 28kg / 61.73lbs |
| Charge Temperature | 0℃ to 55℃ / 32℉ to 131℉ |
| Discharge Temperature | -20℃ to 70℃ / -4℉ to 158℉ |
| Waterproof Rating | IP65 |
| Connection | Others (typically via terminals) |
| Application | RV, Marine Boat, Home Energy, Solar Power Storage, Off-Grid Solar Power System |
| Certification | CE, FCC, RoHS, UL, pse, weee |
| Warranty | 5 years |
5. Setup and Installation
5.1 Unpacking
- Carefully remove the battery from its packaging.
- Inspect the battery for any signs of damage. If damaged, do not use and contact customer support.
- Verify all components listed in the packing list are present.
5.2 Mounting
- Choose a dry, well-ventilated location for installation, away from direct sunlight, heat sources, and flammable materials.
- Ensure the mounting surface is sturdy enough to support the battery's weight.
- Secure the battery using appropriate straps or brackets to prevent movement, especially in mobile applications like RVs or boats.
5.3 Electrical Connections
- Before making any connections, ensure all power sources are OFF.
- Use appropriately sized cables and terminals for your application to handle the maximum current output (310A).
- Connect the positive (+) terminal of the battery to the positive (+) terminal of your system.
- Connect the negative (-) terminal of the battery to the negative (-) terminal of your system.
- Ensure all connections are tight and secure to prevent arcing and overheating.
- If connecting multiple batteries in series or parallel, consult a qualified electrician or refer to specific wiring diagrams for LiFePO4 batteries to ensure proper voltage and capacity matching.
6. Operation
6.1 Initial Charge
It is recommended to fully charge the battery before its first use. Use a compatible LiFePO4 charger with a Constant Current/Constant Voltage (CC/CV) charging profile.
6.2 Charging
- Always use a charger specifically designed for LiFePO4 batteries. Using an incompatible charger can damage the battery or pose a safety risk.
- Connect the charger to the battery terminals, ensuring correct polarity.
- The integrated BMS will manage the charging process, protecting against overcharging.
- Charging temperature range: 0℃ to 55℃ (32℉ to 131℉). The BMS will cut off charging if temperatures are outside this range.
6.3 Discharging
- The battery can be discharged up to 100% Depth of Discharge (DOD) without significant impact on its lifespan.
- The BMS will protect the battery from over-discharging by cutting off power if the voltage drops too low.
- Discharging temperature range: -20℃ to 70℃ (-4℉ to 158℉).
7. Maintenance
- Cleaning: Keep the battery terminals clean and free of corrosion. Use a dry cloth to wipe down the battery casing. Do not use solvents or abrasive cleaners.
- Inspection: Periodically inspect the battery and its connections for any signs of wear, damage, or loose connections.
- Storage: If storing the battery for an extended period, ensure it is charged to approximately 50-70% of its capacity. Store in a cool, dry place within the recommended temperature range. Avoid storing in direct sunlight or extreme heat/cold.
- No User Serviceable Parts: The battery contains no user-serviceable parts. Do not attempt to open or modify the battery.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging | Charger not connected, charger fault, battery temperature outside range, BMS protection activated. | Check charger connections and functionality. Ensure battery is within charging temperature range (0℃ to 55℃). Disconnect and reconnect to reset BMS if necessary. |
| No power output | Battery discharged, loose connections, BMS protection activated (over-discharge, over-current, short circuit). | Check battery charge level. Verify all cable connections are secure. Reduce load if over-current is suspected. Charge the battery if discharged. |
| Battery overheating | Excessive load, poor ventilation, high ambient temperature. | Reduce load on the battery. Ensure adequate ventilation around the battery. Move to a cooler environment if possible. The BMS will shut down if temperature limits are exceeded. |
| Reduced capacity/runtime | Aging battery (after many cycles), consistent heavy loads, incorrect charging. | Ensure proper charging practices. While the battery has a long cycle life, gradual degradation is normal over many years. |
If troubleshooting steps do not resolve the issue, please contact HumsiENK customer support.
9. User Tips
- Verify Connections: Always double-check all electrical connections to ensure they are tight and correctly polarized before applying power. Loose connections can lead to poor performance or safety hazards.
- Monitor Temperature: While the battery has built-in temperature protection, being aware of the ambient temperature and ensuring good airflow can help optimize performance and longevity.
- Proper Charger: Invest in a high-quality LiFePO4 specific charger to maximize battery life and safety.
10. Warranty and Support
The HumsiENK 12V 310Ah LiFePO4 Lithium Battery comes with a 5-year warranty from the date of purchase, covering defects in materials and workmanship under normal use. This warranty does not cover damage caused by misuse, neglect, improper installation, or unauthorized modifications.
For warranty claims, technical support, or any questions regarding your HumsiENK battery, please contact your retailer or HumsiENK customer service directly. Please have your purchase receipt and product model number ready when contacting support.