1. Introduction
This manual provides essential information for the safe and effective use of your Heybike Ranger S 48V 14.4Ah Lithium-Ion Battery. This battery is specifically designed as a replacement or spare for the Heybike Ranger S Ebike 750W version. Please read this manual thoroughly before installation and operation to ensure optimal performance and safety.
2. Safety Information
Your Heybike Ranger S battery is UL-certified, ensuring it meets rigorous safety standards. It is equipped with a built-in Battery Management System (BMS) for advanced protection. Adhere to the following safety guidelines:
- Do not disassemble, puncture, or modify the battery.
- Avoid exposing the battery to extreme temperatures (hot or cold), direct sunlight, or fire.
- Use only the charger specifically designed for this battery.
- Keep the battery away from water and moisture.
- Store the battery in a cool, dry place when not in use.
- In case of damage or unusual behavior (e.g., swelling, overheating), discontinue use immediately and contact support.
- Dispose of the battery responsibly according to local regulations.
3. Product Overview
The Heybike Ranger S battery is a high-capacity, removable, and rechargeable lithium-ion power source for your e-bike. Its design prioritizes security and ease of use.

Front view of the Heybike Ranger S battery, showing its sleek black casing.

Side view of the Heybike Ranger S battery, displaying the serial number and warning labels.

The Heybike Ranger S battery shown with its two accompanying keys, used for locking and unlocking.
The battery features a lockable and detachable design, providing enhanced security and easy portability. It comes with two keys to securely lock the battery in place on your e-bike.
4. Setup and Installation
Follow these steps to properly install or remove the battery from your Heybike Ranger S Ebike:
- Unlocking: Insert one of the provided keys into the battery lock mechanism, typically located near the battery compartment on the bike frame. Turn the key to the 'unlock' position.
- Removal: Gently slide the battery out of its compartment. If it feels stuck, ensure the lock is fully disengaged.
- Installation: Align the battery with the rails in the e-bike's battery compartment. Slide the battery firmly into place until it clicks.
- Locking: Insert the key and turn it to the 'lock' position. Remove the key and store it safely. Ensure the battery is securely fastened and does not wobble.

Illustration of the Heybike Ranger S battery being inserted into the e-bike frame.
5. Operating and Charging
To ensure the longevity and performance of your battery, follow these operating and charging instructions:
- Charging: Connect the charger to the battery's charging port and then to a power outlet. The charging port is typically located on the side or bottom of the battery.

Close-up view of the Heybike Ranger S battery charging port.
- Charging Time: A full charge typically takes approximately 3 hours.
- Usage: Once fully charged and installed, the battery provides power to your Heybike Ranger S Ebike, offering an extended range of up to 55 miles depending on riding conditions and assist level.
- Battery Level: Monitor the battery level indicator on your e-bike's display to avoid complete discharge.
6. Maintenance
Proper maintenance extends the life of your Heybike Ranger S battery:
- Cleaning: Wipe the battery with a dry or slightly damp cloth. Do not use harsh chemicals or immerse the battery in water.
- Storage: If storing the battery for an extended period, ensure it is charged to about 50-70% capacity. Store it in a cool, dry place, away from direct sunlight and extreme temperatures. Recharge it every 1-2 months to prevent deep discharge.
- Inspection: Regularly inspect the battery and its connections for any signs of damage, corrosion, or wear.
7. Troubleshooting
If you encounter issues with your Heybike Ranger S battery, consider the following common problems and solutions:
- Battery Not Charging:
- Ensure the charger is properly connected to both the battery and the power outlet.
- Check if the power outlet is functional.
- Verify that the charger is the correct one for this battery.
- E-bike Not Powering On with Battery:
- Ensure the battery is fully charged and securely installed in the e-bike.
- Check that the battery is properly locked into place.
- Inspect the battery terminals and bike contacts for dirt or damage.
- Reduced Range:
- Battery performance can be affected by extreme temperatures, terrain, rider weight, and assist level.
- Ensure the battery is fully charged before each ride.
If problems persist after attempting these solutions, please contact Heybike customer support.
8. Specifications
Detailed specifications for the Heybike Ranger S Battery:
| Feature | Specification |
|---|---|
| Voltage | 48V |
| Capacity | 14.4Ah (692Wh / 692 Amp Hours) |
| Weight | 10.4 lbs (4.7 kg) / 10.6 pounds |
| Battery Cell Composition | Lithium Metal |
| Safety Certifications | UL-certified |
| Protection System | Built-in Battery Management System (BMS) |
| Compatibility | Heybike Ranger S Ebike 750W version |
| Typical Charging Time | Approx. 3 hours |
| Max Range (Approx.) | 55 miles |

Key features and specifications of the Heybike Ranger S battery.
9. Warranty and Support
For warranty information and customer support, please refer to the official Heybike website or contact Heybike directly. Keep your purchase receipt as proof of purchase.
You can visit the official Heybike store for more information: Heybike Store on Amazon





