Hi, I have this one: https://smile.amazon.com/gp/product/B0756Z2973/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1, you can charge 3 battery's at time and fast, about an hour, I also use it: https://smile.amazon.com/gp/product/B074W8NM35/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1 in home to charge...