My son has an A1226 that worked fine before being placed in storage for ~8 months, now it won't charge. He has 2 batteries and 2 chargers, all with the same symptoms. Tested the chargers with a different Mac, both work. Can't check the batteries, no other units available that have removable batteries, but do know that both batteries worked and had ~75% charge when stored. 99% of the time the chargers glow green, never go orange and the batteries don't charge. By constantly disconnecting and reconnecting the AC adapter I was able to get 1 battery to charge. The laptop booted (and ran fine), it reported the battery as having a 85% and the laptop worked fine. After sitting for 2 days the battery is flat and (once again) it won't charge. After some web searches the best guess is the left power / IO board is bad. Of course it could also be that both batteries are bad. So I'm here to ask if there is some way to confirm if the board or batteries are bad before we flip a coin and start buying parts?