Always attend the charging process - if necessary, stop charging and start again when you can be present. Just don't USE the battery until it is fully charged.
Replace your battery when the maximum capacity reaches 80%
NEVER attempt to charge or use a battery that is swollen or damaged
Keep the swollen / damaged battery away from anything flammable
To recycle responsibly - google "battery recycle center near me"
Take the swollen / damaged battery to the recycle place ASAP
CAUTION: The battery should always be allowed to come to room-temperature before charging. Charging a hot or cold battery might delay charging or damage the battery. For best results, charge the battery at temperatures between 50º and 80ºF (10º-30ºC).
The advice given above is general in nature and you are responsible for the safety of your batteries. SwiftPaws is not responsible for any direct, indirect, special, or consequential damages and personal injuries, including that to life, and health, resulting from the customer’s application and use of batteries sold by SwiftPaws.com.