Read the manual before using. If the battery case is damaged, DO NOT insert it into the charger. Replace with a new battery. • DO NOT charge using a different charger type. • DO NOT short-circuit the terminals. If battery chemicals contact eyes, wash immediately with clean water for 15 minutes and seek medical help. Avoid recharging in rain or humid conditions. Do not immerse in liquids. • Ensure the battery pack and charger do not overheat. If hot, allow cooling. Charge at room temperature. • Do not cover the charger ventilation or place it on soft surfaces like blankets. • Prevent small metal objects from entering charger cavities. • Unplug the charger before cleaning or when the battery is not inside. • Store the battery in a cool, dry place, away from direct sunlight or heat. • Charge the battery every 2 months for 2 hours. • Battery cells may leak with excessive use or extreme temperatures. • If battery chemicals contact skin, wash immediately with soap and water, neutralize with lemon juice, vinegar, or mild acids. Seek medical help for eye contact. • Before use, ensure the charger’s voltage and current match the battery pack. • Do not use the charger if the output polarity is incorrect. SAFETY PRECAUTIONS: • DO NOT disassemble the battery. • Keep out of children’s reach. • Store in a cool, dry place, away from heat or water. • DO NOT switch battery terminals or connect them to metal objects. • DO NOT hit, tap, or stand on the battery. • DO NOT drill or weld the battery. • Stop using if the battery smells, heats up, or changes shape. If the battery pack cracks, leaks, or becomes damaged, DO NOT recharge or use it. Dispose of properly and replace it. DO NOT attempt repairs. To prevent accidents, cover battery terminals with tape and avoid opening or destroying the pack.