100W Power Bank Kit for 6× Li-Ion 21700 is a robust DIY solution (case + electronics) for building a powerful portable power source with modern USB-C PD 3.0, QC 3.0, and support...
Kit for a powerful 100W power bank designed for 4× 21700 Li-Ion cells allows you to assemble a compact and very powerful energy source with support for modern fast charging...
Smart LCD 12864 with SD card reader. Kit includes SD reader, rotary encoder and 128 x 64 dot matrix LCD display. Monochrome, blue backlit display with 128 x 64 dot resolution.