Powerbank

[hc4361]

For charging smartphones etc when away from a wall socket. How long do they hold there charge when not in use?

[Buenchico]

Quote:
"A good Power Bank can hold charge for 3 to 6 months with minimal loss. Lower quality Power Banks may struggle to retain a useful charge more than 4 to 6 weeks."

Source:
http://www.instructables.com/id/PowerBanks-How-It-Works/

[hc4361]

Thank you, BC. Exactly the info I needed