The easiest way to grab electric 12v DC power from Milwaukee Bosch RIDGID 12v Power Tools Battery
Can print individually or make several together as one union see in picture.
Replace RC Toy’s Battery 3s, 6s, 9s even 12s LiPo batteries
Fun DIY electric project in parallel or serials link batteries
simply efficiency, compact and lightweight
5V USB 2A power outlets Add-on, turn your batteries into USB power bank
color may different depends on current material availability