Apple 12-inch Powerbook G4 battery

Apple Li-ion 10.8V 4400mAh

Apple 15-inch Titanium Powerbook G4 battery

Apple Li-ion 14.8V 4400mAh

Apple Li-ion 10.8V 4400mAh

Brand new, 1 Year warranty !
Apple 17-inch Powerbook G4 battery

Apple Li-ion 10.8V 5200mAh

Follow the notice below, Better using your Apple Powerbook G4 battery

Battery Storage - Store your Powerbook G4 laptop battery in a clean, dry, cool place away from heat and metal objects. The apple latpop batteries will self-discharge during storage; remember stored at about 40% state-of-charge.
Exercise Your Battery - Do not leave your Powerbook G4 battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks. If a battery has not been used for a long period of time, perform the new battery break in procedure described above.
Calibrate Your Apple Powerbook G4 batteries - If your Powerbook G4 12-inch battery's 76% even less in work , you must fully charge, fully discharge, and then fully recharge the laptop battery pack.
Charge and discharge - For lithium ion batteries, you do not need to discharge them fully and recharge constantly. You need to do a full discharge only about every 30 charges. Do not charged to higher voltages than its threshold voltage
Do not short-circuit. A short-circuit may cause severe damage to the Powerbook G4 battery.
Consider removing the Powerbook G4 15-inch battery from a laptop when running on fixed power.
Avoid propping your laptop on a pillow, blanket, or other soft surface that can heat up. Your Powerbook G4 battery is a lot less efficient when not within its standard operating temperature range.
More battery maintain infomation in laptop battery blog

In the end, If you have any questions about Apple Powerbook G4 laptop Battery, please feel free to Contact us