1. Introduction
This manual provides essential information for the safe and efficient use of your HumsiENK 48V 150AH Automotive Replacement Battery. Please read these instructions carefully before installation and operation to ensure optimal performance and longevity of your battery.
The HumsiENK 48V 150AH battery is designed to deliver reliable, consistent power for various automotive and industrial applications. It features a robust 48-volt system with a 150 amp-hour capacity, engineered for dependable starting power and deep-cycle capabilities.
2. Safety Instructions
WARNING: Failure to follow these safety instructions may result in serious injury, property damage, or battery damage.
- Always wear appropriate personal protective equipment (PPE), including safety glasses and gloves, when handling batteries.
- Do not short-circuit the battery terminals. This can cause sparks, fire, and severe damage to the battery and connected equipment.
- Keep the battery away from open flames, sparks, and heat sources.
- Ensure proper ventilation during charging and operation to prevent accumulation of gases.
- Do not disassemble, puncture, or modify the battery. There are no user-serviceable parts inside.
- Avoid dropping or subjecting the battery to severe impacts.
- Keep out of reach of children.
- Professional installation is recommended for optimal performance and safety.
- In case of contact with battery acid (if applicable for lead-acid, though this is LiFePO4, general caution applies), flush immediately with water and seek medical attention.
3. Package Contents
Verify that all items are present and undamaged upon unpacking.
- HumsiENK 48V 150AH Automotive Replacement Battery (Quantity: 2)
- User Manual (this document)

Image 1: HumsiENK 48V 150AH Automotive Replacement Battery. This image shows the robust construction and terminal connections of the battery.
4. Product Overview
The HumsiENK 48V 150AH battery is a high-performance power solution for demanding automotive and industrial applications. Key features include:
- High Capacity: 48V 150AH for extended power delivery.
- Robust Construction: Engineered to withstand demanding environments.
- Universal Compatibility: Suitable for various vehicle types and models.
- Deep-Cycle Capabilities: Designed for both starting power and sustained discharge.
5. Setup and Installation
Note: Professional installation is highly recommended to ensure correct wiring and safe operation.
- Preparation:
- Ensure the vehicle's ignition is off and all electrical loads are disconnected.
- Wear safety glasses and gloves.
- Locate the existing battery compartment.
- Removing Old Battery (if applicable):
- Disconnect the negative (-) terminal first, then the positive (+) terminal.
- Carefully remove the old battery, noting its orientation.
- Installing New Battery:
- Place the HumsiENK 48V 150AH battery securely in the battery compartment.
- Connect the positive (+) terminal first, then the negative (-) terminal. Ensure connections are tight and secure (M8 terminals).
- Verify that there are no loose connections or exposed wires.
- Initial Check:
- After installation, perform a system check to ensure all components are functioning correctly.
6. Operating Instructions
The HumsiENK 48V 150AH battery is designed for straightforward operation once correctly installed. It provides power to your vehicle's electrical system and is recharged by the vehicle's charging system.
- Ensure the battery is fully charged before initial heavy use.
- Monitor battery voltage if your vehicle has a compatible display.
- Avoid completely discharging the battery, as this can reduce its lifespan.
7. Maintenance
Proper maintenance will extend the life and performance of your HumsiENK battery.
- Terminal Inspection: Periodically check battery terminals for corrosion and ensure they are clean and tight. Clean with a wire brush if necessary.
- Battery Cleaning: Keep the battery top clean and dry. A damp cloth can be used to wipe away dirt and grime.
- Charging: If the vehicle is stored for extended periods, consider using a compatible 48V battery charger to maintain a full charge. Consult your vehicle's manual for specific charging recommendations.
- Storage: Store the battery in a cool, dry place if removed from the vehicle for an extended period. Ensure it is charged to at least 50% before storage.
8. Troubleshooting
If you encounter issues with your battery, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Vehicle not starting / Low power | Low battery charge, loose terminal connections, faulty charging system. | Check terminal connections. Charge the battery with a compatible charger. Inspect vehicle's charging system (alternator, regulator). |
| Battery not holding charge | Deep discharge, internal fault, parasitic drain from vehicle. | Ensure battery is not repeatedly deep-discharged. Consult a professional to check for parasitic drains or internal battery issues. |
| Corrosion on terminals | Environmental factors, loose connections. | Clean terminals with a wire brush and battery terminal cleaner. Ensure connections are tight. |
If troubleshooting steps do not resolve the issue, contact HumsiENK customer support or a qualified automotive technician.
9. Specifications
| Feature | Detail |
|---|---|
| Brand | HumsiENK |
| Model | 48V150AH |
| Voltage | 48V (Nominal) |
| Capacity | 150AH |
| Item Weight | 180 Pounds |
| Product Dimensions (D x W x H) | 7.6" x 11.6" x 7.7" |
| Number of Cells | 24 |
| Resistance | 0.05 Ohms |
| Terminal Type | M8 |
| Automotive Fit Type | Universal Fit |
| OEM Part Numbers | 48v150ah-dual, Bt48150-2p |
10. Warranty Information
HumsiENK products are manufactured to high-quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your purchase or visit the official HumsiENK website. Keep your proof of purchase for warranty claims.
11. Customer Support
If you have any questions, require technical assistance, or need to report an issue, please contact HumsiENK customer support through the following channels:
- Online: Visit the official HumsiENK website for support resources and contact forms.
- Email: Refer to your product packaging or warranty information for a direct support email address.
- Amazon Store: You can also visit the HumsiENK Store on Amazon for additional information and support options.





