Newegg offers the RavPower 16,000mAh External Battery Pack
, model no. RP-PB35, for $42.99. Coupon code "EMCATPA75" cuts the price to $29.99
. With free shipping
, that's $90 off list, $3 under last month's mention, and the lowest total price we could find. It features 1-amp and 2.4-amp USB outputs and is compatible with iPhone, iPad, iPod, and many smartphones.