Unlike the 1500mAh Juice Pack Helium and 1700mAh Juice Pack Air, Juice Pack Plus arrives with enough battery capacity to rival top options we’ve seen from other developers: this one packs a 2100mAh battery, which on paper is roughly 46% larger than the 1440mAh cell inside the iPhone 5. Despite that seemingly excessive capacity, real-world testing has established that the iPhone 5 needs between 2100mAh-2300mAh of external power for a full recharge.…
