Cheap and best Power Bank to buy for Smartphone

There are lots of power banks available online for smartphones. Some of the most popular sites selling power banks online are:

Flipkart.com
Snapdeal.com
Amazon.in
Shopclues.com

You can buy the one of your choice at a very cheap price. Make sure you make use of coupon codes (if available) to get additional discounts. Also check out cashback sites for offers and cashback deals on your purchases.

Hope it answers your query.

Found some powerbanks in various sites. They are not only cheap but also efficient at that price range.

Flipkart
Mi 5200 mAh Power Bank(Silver) - Rs.799/-
DigiFlip Power Bank 2600 mAh PC011(White) - Rs.500/-
Ambrane P-550 Digital Series Power Bank - Rs.999/-

Amazon
ERD 4400mAH Battery Mini USB Charger Portable Powerbank - Rs.620/-
Pisen Easy Power TS-D091 Power Bank for Smart Device (White) - Rs.799/-
Intex Plug & Play Powerbank - Rs.715/-
Intex Powerbank IT PB-20 - Rs.560/-

Snapdeal
Ambrane P-26 2600mAh White with Original Samsung Cells - Rs.440/-
DGB Haflinger Mini PB-2400 Mobile Power Bank (White) - Rs.549/-
MAXX Smart Power Bank Charger PBS26 White - Rs.378/-

One can buy Mi 10400 mAh Power Bank for Rs. 999 from Flipkart website. The same Xiaomi Mi Power Bank 10400 mAh dual battery cell technology from LG & Samsung is available on Snapdeal for Rs. 1387. So, according to me getting a powerbank of 10400 mAh for just Rs.999 is the best deal. It is a one-time investment and you need not buy any power banks in future. 10400 mAh power bank from Mi will boost your smart phone's battery no end. It is a portable charger that is compatible with a variety of devices.

Best and cheapest Power bank available at Flipkart.com is Mi 10400 mAh Power Bank. This is one of best Power banks from Chinese companies to the Indian market. The price is only Rs. 999 and you can't find any other device in this price range. If you want low capacity power bank, you could choose this Mi 5200 mAh Power Bank priced with Rs. 599 only.

Here's our Unboxing and Hands On review of the Xiaomi 10,400mah Power Bank: