Looks like they rebranded to ultra last
https://search.app?link=https%3A%2F%2Fwww.batteriesplus.com%2Fproductdetails%2Fled12635&utm_campaign=aga&utm_source=agsadl1%2Cagsadl4%2Csh%2Fx%2Fgs%2Fm2%2F4
5yr warranty