Single Cell Power Bank (21700 cell)

Single Cell Power Bank (21700 cell)

thingiverse

This is a single cell portable power bank for phones and other electric devices. It's small and compact for maximum portability and convenience. I used Molicel P42A for its high current rating and capacity, any 21700 cell would do! Charge module: https://www.amazon.com/gp/product/B07M836ZV3/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 Battery: https://www.18650batterystore.com/products/molicel-p42a

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