Portable power banks have become a necessity due to power-intensive activities and the use of multiple devices. The Eveready Ultima PB-10 and Ubon PB-X106 are top contenders with 10,000mAh capacity and fast charging capabilities. The Joos Mag Mini 10 from Tempt offers magnetic wireless charging and a LED battery display for convenient use. All three options are priced between Rs 2,499 to Rs 4,499.