Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

playalinda

macrumors newbie
Original poster
Apr 14, 2009
5
0
I Am Going On Sabbatical For 6 Months. What Is The Best Way To Store My Macbook Pro Battery ?? Fully Charged Or Fully Drained ? In The Mbp Or Should I Remove It And Store It Seperately ???

Thanks !!

Pl
 
I heard the best way was to drain it down to 40-50%, then put it in a refrigerator. The cool temps help prevent degradation and 40-50% is the optimal charge for long term storage.

Might want to check some other sources though as I am just going on memory. I know the 40-50% charge level is right, the fridge I am mostly sure about.

Ruahrc
 
The correct way is to keep it at 50%, turn the computer off and store it at room temperature.

When you come back, leave it to charge to 100%. Leave it charging at 100% for 2 hours. Once completed, use your MBP until it drains battery completely, then leave it shut down for 5 hours. After 5 hrs, proceed to charge it again to 100%. Continue to use your laptop normally.

This will help alot, otherwise your risk losing atleast 15-30 minutes of charge.
 
From Apple:
Long-Term Storage

If you don’t plan on using your notebook for more than six months, Apple recommends that you store the battery with a 50% charge. If you store a battery when it’s fully discharged, it could fall into a deep discharge state, which renders it incapable of holding any charge. Conversely, if you store it fully charged for an extended period of time, the battery may experience some loss of battery capacity, meaning it will have a shorter life. Be sure to store your notebook and battery at the proper temperature. (See “Notebook Temperate Zone.”)

http://www.apple.com/batteries/notebooks.html
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.