A: First of all, you need to assure the model of your laptop or the part number of your laptop Adapter. Then look for the Adapter you need at cheap-laptop-batteries.org.

A: Upon initial use, the replacement Adapter for Toshiba PA3049 laptop may require to charge fully for achieving the maximum capacity. Most batteries will automatically stop charging when they have been fully charged.

A: When your Toshiba PA3049 laptop Adapter is idle for a long time, charge it or discharge it to about 40%, and then store it dry and cool. It is best to maintain indoor temperatures between 15 and 25 degrees Celsius since either too much or too little temperature will accelerate Adapter aging. You should fully charge and discharge the Adapter at least once a month, and then store it according to the above instructions.

1Please discharge the Toshiba PA3049 battery to 8% then fully charge at the first time.
2When use the battery at first time ,if it has two problems happened: it shows 100% power immediately when charge the battery ,or it is full, but when discharge it shows 0% power at once, in this case, you can discharge the battery to 0% in standby mode then recharge it. If it cannot solve the problem with above method, please contact with the dealer.
3It is a must to turn off or recharge the battery if it discharges to 8% in normal operation. It is forbidden to discharge to 0%, or it will be easily damaged and shortened the usage life.
4When use the laptop first time, please discharge it to closed automatically, it will takes 10-40 minutes to charge the laptop from 0% to 1%，it is a normal phenomenon, please feel free to use it. If you find it takes more time to be recharged after the Toshiba PA3049 battery was fully discharged for a long time, please be patient, because it takes about 30 to 40 minutes to be normally charged again in general.
5Please fully recharge the battery if the power is gone within two-day，or it will be easily damaged or cannot be charged.
6It is a must to charge the battery above 80% before long time storage (above three months) and. the power cannot be lower than 80%, or it will be easily damaged and cannot be clanged.
7Battery need a circle use frequently Discharging to 8%, then charging full discharging and charging once per two months at least is a recommendation for battery reach a best condition.
8Should keep away from heat, high voltage, avoid the children touching the battery.
9If the Toshiba PA3049 battery uses for long time and the capability invalid (valid for 2 years) please take it out from the Laptop and stop using it to avoid the risk of fire explosion.
10When you buy the battery back. And find that, the battery cannot charge or charge full. Maybe the laptop adapter cannot compatible with the laptop, please close the laptop or change the correct adapter to charge.