Cylindrical Lithium Battery

Cylindrical Lithium Battery

User Manual

1. Product Overview

Cylindrical lithium batteries are rechargeable energy storage devices known for their high energy density, stable performance, and long cycle life. Common models include 18650, 21700, 26650, and other cylindrical formats. These batteries are widely used in consumer electronics, power tools, energy storage systems, and industrial applications.

2. Key Features

• High energy density and stable voltage output

• Long cycle life and excellent recharge performance

• Low self-discharge rate

• Built-in safety design (depending on model)

• Reliable performance over a wide temperature range

3. Safety Precautions

To ensure safe use, please follow the instructions below:

• Do not short-circuit the battery terminals.

• Do not disassemble, crush, puncture, or modify the battery.

• Do not expose the battery to fire, water, or high humidity.

• Do not use damaged, swollen, or leaking batteries.

• Keep batteries away from children and pets.

• Use only compatible chargers designed for lithium batteries.

4. Charging Instructions

• Charge the battery with a dedicated lithium battery charger.

• Ensure correct polarity before charging.

• Recommended charging temperature: 0°C to 45°C.

• Do not overcharge. Disconnect the charger once charging is complete.

• Avoid charging near flammable materials.

5. Discharging & Usage

• Recommended discharging temperature: -20°C to 60°C.

• Do not discharge the battery below the minimum cut-off voltage.

• Avoid high-current discharge beyond the rated specification.

• If the device is not used for a long time, remove the battery.

6. Storage Guidelines

• Store batteries in a cool, dry, and well-ventilated place.

• Recommended storage temperature: 10°C to 25°C.

• Store at approximately 40%–60% state of charge for long-term storage.

• Avoid direct sunlight and heat sources.

7. Transportation

• Transport batteries in insulated packaging to prevent short circuits.

• Follow local and international regulations for lithium battery transportation.

• Do not transport damaged or defective batteries.

8. Maintenance & Handling

• Inspect batteries regularly for signs of damage or aging.

• Clean battery terminals if necessary using a dry cloth.

• Do not mix old and new batteries or different models together.

9. Disposal & Recycling

• Do not dispose of lithium batteries in household waste.

• Recycle batteries according to local environmental regulations.

• Return used batteries to authorized recycling centers.

10. Disclaimer

Improper use of lithium batteries may result in fire, explosion, or personal injury. The manufacturer shall not be held responsible for damages caused by misuse or failure to follow this manual.

如果你需要加入具体型号（如 18650 / 21700）、参数表，或改成更简短的包装版 / OEM 客户定制版，我可以直接帮你优化成可印刷版本。