Intex PB-4K 4000mAH Power Bank at Rs.399 Only – Amazon December 11, 2017Amazon India Deals, Offers & Coupon Codes 2022, Best Online Shopping Deals in IndiaAdminAmazon India offers 11 December 2017Amazon Lightning Deal is offering 60% off on Intex PB-4K 4000mAH Power Bank at Rs.399 Only. 4000mAh Power bank, usb2.0 port with 5v (1a), extremely portable device, higher battery capacity.