FastMac today announced it has started shipping TruePower laptop batteries for all models of the iBook (G3 and G4). The TruePower iBook battery is priced at US$99.95 and offers up to 50% more capacity than the original, notes the company. “All customers that placed pre-orders through the company’s Web site will receive their shipments in the next few days. All TruePower laptop batteries come with a 1-year warranty and 30 day money back guaranty.