Xiaomi entered India with the Mi 3 smartphone last month. At the launch the company showcased several products, including the Mi Power Banks that come in 5200mAh and 10400mAh variants. These got priced on Flipkart few weeks back at Rs. 799 and Rs. 999, respectively and is went on pre-order recently. We already unboxed both the 10400mAh and the 5200mAh variants of the Mi Power banks, here we have the complete review.