FastMac today announced it has started shipping TruePower laptop replacement batteries for the PowerBook G4 Titanium. The TruePower Titanium battery is priced at US$99.95 and offers up to 48% more capacity than the original, notes the company. All customers that placed pre-orders through the company’s Website will receive their shipments in the next few days. The batteries come with a 1-year warranty and 30-day money back guaranty.