New replacement laptop batteries from www.secure-battery.com are shipped in a discharged state and must be fully charged when you receive your new battery. Chargng your new battery overnight is sufficient to give your new battery a full charge. Li-ion batteries will wear out time, providing ever shorter battery run times. You can extend the life of your battery by providing some basic ongoing maintenance. Your new battery should be charged and discharged 3-4 times during the first month. This will properly engage the battery to hold it's maximum energy. After the first month you can maintain the battery energy capacity by discharging and recharging the battery every 3-4 weeks. Do not let the battery run down all the way as this will diminish your battery life over time.
A new battery may cause the battery power icon on your computer to indicate you have a low battery condition. We recommend that you let the battery charge overnight in your notebook computer. It may be necessary to remove and replace the battery and restart your computer with the battery installed in order for the computer's start up sequence to properly recognize your new battery.
Rechargeable batteries will self discharge when not in use over a period of time.
This might seem obvious but don't burn, disassemble, mutilate or short circuit batteries.