Given this moderate assumption it's about right to say a 30000mah battery fitted in a power bank should be 10 times as large as your typical phone battery.
"Aside the 18 months exclusion from the AfDB-financed projects, China Zhonghao stands debarred by other multilateral development banks like the World Bank Group, Asian Development Bank, European Bank for Reconstruction and Development and the
A consortium of banks, led by Access Bank PLC and other Nigerian and foreign banks, has taken over the management of Etisalat Nigeria, effective June 15.