Increase your battery life on just about any smartphone imaginable with this extremely portable 3000mAh portable charger from RAVPower. Sleek, powerful, and backed by hundreds of 5-star reviews, this charger boosts your phone’s life duration for just $12.99 (Prime eligible). Join Prime and get this deal with FREE two-day shipping! Also worth checking out: Cards... Read more » From AndroidGuys - Accessory of the Day: RAVPower 3000mAh portable charger, $12.99