21700 Battery Holder

thingiverse

<B>Warning</B> <BR> **********<BR> <B>Rechargeable Lithium Ion batteries are potentially hazardous and can present a serious FIRE HAZARD.</B><BR><BR> <B>Do NOT attempt to assemble Li-Ion cells unless you are competent and know what you are doing.</B><BR><BR> <B>Use this design at your own risk</B><BR> **********<BR> A 2S holder for 21700 Li-Ion cells. Originally intended for HDZero Goggles.<BR> This does fit together OK, but should be considered a work in progress.<BR><BR> There is space for a battery checker (the 2S variant)<BR> https://www.aliexpress.com/item/33048284052.html?spm=a2g0o.order_list.order_list_main.25.21ef1802DoR3Ua <BR><BR> There is also a slot for a BMS<BR> https://www.amazon.co.uk/dp/B09N6SLJQ7?psc=1&ref=ppx_yo2ov_dt_b_product_details <BR><BR> Fastened with eight 2mm x 8mm self tappers with 1.5mm hex head, like these <BR> https://www.amazon.co.uk/Sourcingmap%C2%AE-Threaded-Carbon-Tapping-Screws/dp/B012THI93G <BR><BR> Added a second version of the case body, with the holes closed up in case a voltage checked is not needed at this time. They can be opened up again later with dremel/drill if required.