DC Barrel - Powering a battery pack
Digikey has numerous jacks rated for 48V, 5A.

https://www.digikey.com/products/en/connectors-interconnects/barrel-power-connectors/435?FV=ffe001b3%2C70017d&amp;quantity=0&amp;ColumnSort=-14&amp;page=1&amp;stock=1&amp;k=barrel+jack&amp;pageSize=25&amp;pkeyword=barrel+jack

Go to www.digikey.com and search for"barrel jack", select "Barrel - power connectors" and then use the filters to narrow down the search: Active, In stock, male/female, voltage, amps, mounting style, etc.