Feiren Sealing Machine Dedicated 21V 2.6Ah Rechargeable Lithium Battery

1. Charging port must not contact metal objects to avoid electric shock.

2. Do not use or charge in high temperature, corrosive, flammable, or explosive environments.

3. Charging must be supervised; no unattended or overnight charging.

4. If unused for long periods, charge every 30 days to prevent deep discharge.

5. Use only the designated charger supplied with the machine.

7. Avoid short circuiting battery terminals.

8. Do not disassemble the battery.

9. Keep battery away from high temperature, water, acids, or corrosive liquids.

10. Do not strike, step on, modify, or expose battery to direct sunlight or microwave/high-pressure environments.

12. Charging voltage must not exceed max voltage; discharging voltage must not fall below minimum operating voltage.

13. Strictly prohibit fire and water exposure near lithium batteries.

For additional issues or technical support, please contact customer service for professional assistance.