Milwaukee 18V Battery 5AH 6AH High Energy Long Range Red Lithium Battery With Packaging 
Precautions and maintenance suggestions:
1. The battery must be fully charged before its first use.
2. Store the battery in a cool and dry place.
3. Do not separate, squeeze, or impact.
4. Do not put the battery in water or fire.
5. Stay away from children.
6. Please use the original charger for charging
7. If not used for a long time, please keep at least 50% of the battery capacity and charge the battery every three months.
8. High temperature will accelerate aging, please use in an environment below 40 degrees Celsius.
9. Reduce the frequency of deep discharge and charge promptly when the battery level is below 10%.
10. It is recommended to use multiple batteries alternately to avoid excessive consumption of a single battery.
11. Regularly wipe the battery case and pins with a dry cloth.
12. Regularly check whether the battery is swollen, leaking, or damaged. If any of the above situations occur, please stop using it immediately.