HandHelditems.com offers its HHI iPhone 1050mAh Extended Battery Holster
in Black for $39.99. Add coupon code "3gbattholster" to your cart to slice it to $29.99
. With shipping at $5.95
, that's tied with last week's mention and the lowest total price we could find for such a battery pack. This holster features a 1050mAh Li-Ion battery and support for both the original iPhone and iPhone 3G. Deal ends March 31.