NeuNeo has announced a few external battery designs that incorporate battery, leather wallet and CompactFlash slot for selected iPAQ models.
One of the models comes with a 1800mAh battery and another model sports a 2800mAh external battery. Both models come with CF Type II slot as an add-on. The company says the products are ideal for power users, and for iPAQ with dead internal batteries. Prices vary from US$99 to US$125.