Best prices on Apple powerbook g4 accessories in Laptop Batteries. Check out BizRate for great deals on Laptop Batteries from Apple, Battery-Biz and V7. Use BizRate's latest online shopping features to compare prices for Apple powerbook g4 accessories. Read product specifications, calculate tax and shipping charges, sort your results, and buy Computers & Software with confidence. Easily narrow your search and find the product that's perfect for you: Bti MC-G4/12 PowerBook G4 Notebook Battery - Apple m9326ga Lithium Ion Laptop Battery.