USB Dual 18650 Li-Ion Battery Charger (TP4056)

A compact dual 18650 charger, using cheap modules available on ebay.

Modules (Get 2): https://www.ebay.com.au/sch/i.html?_odkw=tp-4056&LH_PrefLoc=2&_sop=15&_armrs=1&LH_BIN=1&_osacat=0&_from=R40&_trksid=m570.l1313&_nkw=tp-4056&_sacat=0

Battery holders (Use for the contacts and wires): https://www.ebay.com.au/sch/i.html?_odkw=18650+holder+clip&LH_PrefLoc=2&_sop=15&_armrs=1&LH_BIN=1&_osacat=0&_from=R40&_trksid=m570.l1313&_nkw=18650+holder+wire&_sacat=0