The only solution for this problem is buying a power bank to supply energy for these devices. People who need to use electronic gadgets too much must possess Find instruction manuals and brochures for CP-F10L. SONY 4700 mAh Power Bank at best prices with FREE shipping & cash on delivery. User Guide, Micro USB Cable, Power Bank. Model Name. Sony CP-V4A 4700 mAh Power Bank Dealers,Distributor in Grant Road(E) In the Box Contents, Main Unit, 1 x CP-AD2 Adapter, Micro USB cable, User Guide.Brand, Sony. Box Contents, Power Bank, Micro USB Cable and User Guide. Warranty, 1 Year. Model, CP-V4A 4700 mAh Power Bank