<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div>Beram,</div><div>here's an article that says the Panasonic 18650 batteries were tested</div><div>to 305 meters before the housing collapsed.</div><div><a href="https://www.sciencedirect.com/science/article/abs/pii/S037877531001058X">https://www.sciencedirect.com/science/article/abs/pii/S037877531001058X</a></div><div>Alan</div><div><br>On 4/12/2019, at 7:02 AM, Beram Mahmoud via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><span>Hello,</span><br><span>Does anyone know of an instruction how to make pressure resistant li batterie systems?</span><br><span></span><br><span>Is it sufficient to fill up the battery with the bms in an oil filled canister?</span><br><span></span><br><span>Best regards </span><br><span>Beram</span><br><span></span><br><span>_______________________________________________</span><br><span>Personal_Submersibles mailing list</span><br><span><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></span><br><span><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br></div></blockquote></body></html>