1SaleADay via eBay offers the 7,200mAh Solar PowerBank Portable Battery / Charger in Blue, Black, or Silver, model no. 5272, for $29.99 with free shipping. That ties our mention from two weeks ago and is $6 under the lowest total price we could find for a similar item elsewhere. It can be charged with solar power or electricity and includes Apple 30-pin, micro USB, mini USB, Nokia DC2.0, and Samsung charging tips. Deal ends today.