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Electrical Engineering/maximum number of Smartphones charged by Power Bank.

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Question
Dear Prof Cleggsan

Can Maximum number of Smartphones charged by a single power bank device be greater than 4?.

Thanks
Prashant

Answer
It depends on the charge amount held by the power bank and the smartphone battery requirements.  But most low grade economy power bank are best with only one smartphone charge at a time.

The link below explains the nature of different charging conditions and ratings:

http://www.ktipromo.com/powerbanks-knowledgement.pdf

All the best.  

Electrical Engineering

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cleggsan

Expertise

All technical areas of Electronics Engineering.

Experience

BSEE, MBA, Design, R&D, University Research.
Senior Life Member of IEEE. Life Fellow of AES.

Organizations
IEEE, Consumer Electronics Society, Audio Engineering Society.
Broad teaching experience; work experience mostly in consumer electronics and conversion from analog to digital technologies. Pioneer in digital audio at all levels.

Education/Credentials
BSEE (Equiv) BYU BSEE University of North Dakota MSBA (MBA) Illinois State University Graduate Studies in Computer Science - Bradley University Graduate Studies - Ohio University Graduate Studies - University of Missouri Kansas City DeVry Tech - Electronics

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