Introduction
This manual provides essential instructions for the safe and efficient use of your YOSE POWER 36V 13Ah 481Wh Lithium-Ion E-Bike Battery. Please read this manual thoroughly before installation, operation, or maintenance to ensure optimal performance and longevity of your battery.

Image: The YOSE POWER 36V 13Ah Lithium-Ion E-Bike Battery, designed for rear rack mounting.
Safety Instructions
Always prioritize safety when handling and operating the battery. Failure to follow these instructions may result in damage to the battery, property, or personal injury.
- Do not expose the battery to extreme temperatures (above 60°C or below -10°C).
- Do not immerse the battery in water. While dustproof and splash-resistant, it is not fully waterproof.
- Use only the provided YOSE POWER charger (42V 2A) for charging. Using an incompatible charger can cause damage or fire.
- Keep the battery away from children and pets.
- Do not short-circuit the battery terminals.
- Do not disassemble, puncture, or modify the battery pack.
- If the battery is damaged, emits an unusual odor, or becomes excessively hot, discontinue use immediately and contact support.
- Ensure proper ventilation during charging.
Package Contents
Verify that all items are present in the package:
- 1 x YOSE POWER 36V 13Ah E-Bike Battery Pack
- 1 x Battery Mount Rail
- 1 x Charger (42V 2A)
- 2 x Keys (for mechanical lock)
- 1 x User Manual (this document)

Image: All components included in the YOSE POWER E-Bike Battery package: battery pack, mount rail, charger, keys, and user manual.
Setup and Installation
Follow these steps to properly install your YOSE POWER E-Bike Battery:
- Mount the Battery Rail: Securely attach the battery mount rail to your e-bike's rear rack using appropriate fasteners (not included, typically part of the e-bike's rack system). Ensure the rail is firmly fixed and stable.
- Insert the Battery: Align the battery pack with the mounted rail. Slide the battery onto the rail until it clicks into place.
- Secure the Battery: Use the provided key to lock the battery onto the rail. This mechanical lock prevents theft and ensures the battery remains secure during riding.
- Connect to E-Bike System: Connect the battery's discharge socket to your e-bike's motor system. Ensure a firm connection.

Image: The YOSE POWER E-Bike Battery shown installed on a bicycle's rear rack, with the battery also depicted separately for clarity on installation.
Operating Instructions
Charging the Battery
To charge your YOSE POWER battery:
- Connect the charger to a standard wall outlet. The charger's indicator light should turn on.
- Connect the charger's output plug to the battery's charge socket. The charge current for this socket should not exceed 5 amps.
- The charging process will begin. The battery's LED indicators or the charger's light will show the charging status.
- A full charge typically takes approximately 7 hours. Disconnect the charger once charging is complete.

Image: Close-up view of the battery's charge socket and the battery level indicator lights (25%, 60%, 100%, IRD) with an on/off button.
Checking Battery Level
Press the power button on the battery to activate the battery level indicator lights. These lights provide an approximate indication of the remaining charge:
- Multiple lights illuminated: High charge level.
- Fewer lights illuminated: Lower charge level.
- Single light or no lights: Battery needs recharging.
Using the Battery
Once installed and charged, the battery powers your e-bike's motor. The battery is suitable for motors ranging from 50W to 500W, with a maximum continuous current of 20A. The intelligent BMS system protects against overcharge, over-discharge, overcurrent, and short circuits.

Image: The battery's integrated handle for easy carrying and the discharge socket for connecting to the e-bike motor.
Maintenance
Proper maintenance ensures the longevity and performance of your battery:
- Regular Charging: Charge the battery regularly, even if not in frequent use, to maintain its health. Avoid leaving it fully discharged for extended periods.
- Storage: When storing the battery for long periods, charge it to approximately 50-70% and store it in a cool, dry place away from direct sunlight and extreme temperatures.
- Cleaning: Clean the battery exterior with a soft, damp cloth. Do not use harsh chemicals or abrasive materials. Ensure the charge and discharge ports are free of dirt and debris.
- Temperature: Operate and store the battery within the recommended temperature range (-10°C to 60°C).
- Water Resistance: The battery is designed to be dustproof and splash-resistant. Avoid direct exposure to heavy rain or immersion in water.

Image: The YOSE POWER E-Bike Battery demonstrating its splash-resistant design, suitable for various weather conditions.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging | Charger not connected, faulty charger, faulty outlet, battery too hot/cold. | Ensure charger is properly connected to both outlet and battery. Check outlet with another device. Allow battery to reach room temperature. Contact support if problem persists. |
| E-bike not powering on | Battery discharged, battery not locked, poor connection, e-bike system issue. | Check battery charge level and recharge if necessary. Ensure battery is securely locked onto the rail. Verify all connections are firm. Consult your e-bike manual for system-specific troubleshooting. |
| Reduced range or performance | Battery aging, improper charging habits, extreme temperatures, heavy load. | Ensure proper charging and storage. Performance can be affected by temperature and load. If battery is old, consider replacement. |
| Battery indicator lights not working | Battery off, internal fault. | Press the power button to activate. If still unresponsive, contact support. |
Specifications
| Feature | Detail |
|---|---|
| Brand | YOSE POWER |
| Model | 36V 13Ah |
| Battery Type | Lithium-Ion |
| Nominal Voltage | 36 Volts |
| Capacity | 13 Ah (12000 mAh) |
| Energy | 481 Wh |
| Max Continuous Discharge Current | 20 A |
| Charger Output | 42V 2A |
| Charging Time | Approx. 7 hours |
| Dimensions (L x W x H) | 433 x 154 x 57 mm |
| Weight | 3.2 kg |
| Compatible Motor Power | 50W - 500W (Max 700W) |
| Cycle Life | 1000+ cycles |
| Protection Features | BMS (Overcharge, Over-discharge, Overcurrent, Short-circuit) |
| Certifications | CE, ROHS, UN38.3 |

Image: Visual representation of the battery's key specifications including voltage, capacity, energy, weight, charge time, and dimensions.
Warranty and Support
YOSE POWER batteries undergo rigorous quality control and are certified with CE, ROHS, and UN38.3. While specific warranty duration is not detailed, YOSE POWER provides technical support and access to accessory purchases even after the warranty period has expired.
For technical assistance, troubleshooting, or inquiries regarding accessories, please contact YOSE POWER customer service through their official channels or the retailer where the product was purchased.
Contact Information: Refer to the contact details provided with your purchase or on the official YOSE POWER website.