Miller Electric Legend KF95917 12V 75Ah Generator Battery - This Is an AJC Brand Replacement - Walmart.com
Amazon.com: Wasabi Power Battery (2-Pack) and Charger for Canon LP-E19 and Canon EOS R3, EOS-1D Mark III, EOS-1D Mark IV, EOS-1Ds Mark III, EOS-1D X, EOS-1D X Mark II, EOS-1D X Mark