Update #2: Another option is to pick up the RAVPower Icona 10000mAh external power bank for $25.99 with code HSBOUFVK at checkout. It’s rated 4 stars. Includes 4 charging adapters.
Update: Promo code no longer valid, but price dropped to $29.99, still a good price.
SunValleyTek via Amazon is offering the RAVPower Element 10400mAh external power bank for $26 with free shipping when you enter code HSBOUFVK at checkout during the ‘select a payment’ screen. That’s $10 below the average selling price and the lowest we have ever seen.
Approximately the size of an iPhone 5, this battery pack stores enough juice to recharge an iPhone four to five times or an iPad once. Perfect for families on vacation or traveling businessmen. You can expect 500+ recharge cycles over the lifetime of this device. Nearly 500 Amazon reviewers rate it 4.5 out of 5 stars.