Right now you can grab this RAVPower Luster Mini Portable Charger for only $8.99 (reg. $79.99!). This charger is very highly rated with 4.5 stars and 1,556 reviews. This portable charge provide a full charge for iPhone 6, 5, 4 and most smartphones. That’s 9 hours of additional talk time or 90 hours of music playback from your cell phone. Wow!