![]() Hence, the electrolyte containment requirements of E-10 may not apply. I’m pleased to see a note in the general requirements section of the document acknowledging that lithium batteries don’t have spillable electrolytes nor do they routinely off-gas. Additionally, the information they do include can be of dubious quality. But, there are lots of lithium batteries available on Ali-Express, Amazon, eBay, and other sites that come with varying amounts of information. In the case of the higher quality batteries that include thorough documentation and specifications, that seems like a fine recommendation. Much of E-13 requires the batteries be installed, operated, and maintained according to manufacturers’ recommendations. As a result, most of this piece will concentrate on how the new standard will impact the installation of LiFePO4. It certainly makes sense for the standard to encompass the range of potential chemistries, but I firmly believe that of the currently available chemistries, LiFePO4’s safety characteristics make it the only logical choice on recreational boats. That’s a category that encompasses quite a few chemistries, including lithium cobalt oxide (LiCoO2), lithium manganese oxide (LiMn2O4), lithium iron phosphate (LiFeP04), lithium nickel manganese cobalt oxide (LiNiMnCoO2), lithium nickel cobalt aluminum oxide (LiNiCoAlO2), and lithium titanate (Li4Ti5O12). For a 12-volt system, that means systems with a capacity of 50 amp-hours or more.Į-13 is a standard for lithium ion batteries. Also, the standard’s scope lists that it applies to systems of 600-watt hours or greater. So, manufacturers, installers, and boat owners have a year to prepare for the requirements. I hope E-13 represents a starting point and now that it is ratified and published, we will have continuing conversation and refinement of the standard.Į-13’s recommendations take effect for systems manufactured or installed after July 31, 2023. I fully recognize the committee had a tough job of getting a standard out for new technology that ensures safety while not making compliance overly onerous. To me, E-13 looks like a good start, but I think there are some areas where the standard could require more. I’m not an expert on the many intricacies involved in getting a standard ratified, but I have had the opportunity to discuss the standard with those who are truly experts. Now that we have a standard let’s look at what it means for new installs and those who have already installed lithium batteries. The main one comes from insurance companies not having an approved standard they could reference. But, not having an approved standard for lithium battery installs presented some challenges. ![]() E-13 replaces TE-13, a technical note that provided a preview of the direction the ABYC was headed with the standard. ![]() The ABYC has ratified standard E-13 covering the installation of lithium batteries on boats.
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