Brian -- It's unclear to me from your questions whether these are primary (non-rechargeable) or secondary (rechargeable) batteries that you are using. In my experience, this distinction can have a huge impact the risk and therefore on which regulations apply and what your customers might expect. Mike Sherman Sherman PSC LLC
> On 01/21/2025 2:29 PM CST Brian Gregory <brian_greg...@netzero.net> wrote: > > > > Hello Colleagues, > > We're packing two AA-sized (12 W-hr) Li-On batteries in our latest EV Charger > for brains backup. Industrial partners have been flagging certain > regulations (we have some very large, very conservative partners). The > charger is for N. American residential applications, perhaps Mexico in the > near future. > > Summarizing my findings after review of CFR Title 49, § 173.185 for shipping > of hazardous materials. > > 1. 173.185, (a)(1) - all batteries must be proven proven to meet the criteria > in, sub-section 38.3 of the UN Manual of Tests and Criteria (rev. 3, Amm 1). > > https://unece.org/fileadmin/DAM/trans/danger/publi/manual/Manual%20Rev5%20Section%2038-3.pdf > > 2. 173.185, (c)(1) Size limit exception - applies to “smaller” batteries > where Watt-hour (Wh) rating may not exceed 20 Wh > 3. 173.185, (c)(4) - air shipment packaging (and/or waybill) must be marked > with the appropriate label/sticker and marked “UN 3481” ”[Lithium ion cells > packaged in equipment] > > 4. The charger will comply with 173.185, (b) “Packaging” requirements by > virtue of the cells being mounted on a PCB, which is in a metal enclosure. > > Here are my questions for any in the know: > - per items 2. and 4., the charger itself does not need the Li-On label. > - even given #2, it's a good idea to have the manufacturer test/certify their > cells to 38.3, but is it required? > > > thanks, and hope to see you at ISPCE in May! > > Colorado Brian > > --------------------------------------------- > > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > EMC-PSTC@LISTSERV.IEEE.ORG > > All emc-pstc postings are archived and searchable on the web at: > https://www.mail-archive.com/emc-pstc@listserv.ieee.org/ > > > > Website: https://ewh.ieee.org/soc/pses/ https://ewh.ieee.org/soc/pses/ > Instructions: https://ewh.ieee.org/soc/pses/list.html (including how to > unsubscribe) https://ewh.ieee.org/soc/pses/list.html > List rules: https://ewh.ieee.org/soc/pses/listrules.html > > For help, send mail to the list administrators: > Mike Sherman at: msherma...@comcast.net mailto:msherma...@comcast.net > Rick Linford at: linf...@ieee.org mailto:linf...@ieee.org > > For policy questions, send mail to: > Jim Bacher at: j.bac...@ieee.org mailto:j.bac...@ieee.org > > > --------------------------------------------- > > To unsubscribe from the EMC-PSTC list, click the following link: > https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC&A=1 > - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to EMC-PSTC@LISTSERV.IEEE.ORG All emc-pstc postings are archived and searchable on the web at: https://www.mail-archive.com/emc-pstc@listserv.ieee.org/ Website: https://ewh.ieee.org/soc/pses/ Instructions: https://ewh.ieee.org/soc/pses/list.html (including how to unsubscribe) List rules: https://pses.ieee.org/wp-content/uploads/2024/12/EM-PSTC-List-Rules.pdf For help, send mail to the list administrators: Mike Sherman at: msherma...@comcast.net Rick Linford at: linf...@ieee.org For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> _________________________________________________ To unsubscribe from the EMC-PSTC list, click the following link: https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC&A=1
