These replaced some LR927 batteries in a&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/SE-Triplet-10X-21mm-LED-Illuminated-Loupe/dp/B002E0MU7U/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">SE Triplet 10X - 21mm LED Illuminated Loupe</a>.