A simple 18650 battery charger with type C input and a portable powerbank using 18650 batteries!
Utilise your (spare) 18650 batteries by inserting into the PB2C charger and creating a rechargable and portable power bank.
Will charge 1x 18650 @ 2A / 2x 18650 batteries @ 1A. Capable of charging both proteceted and un-proteced 18650 cells.
(does not charge any other size/ type battery)