You plug the PS into the wall. you plug your charge "input" leads into the 12vdc output plugs in the PS. The input for the charger need to have 4mm male bullets soldered in place.
https://www.smc-racing.net/index.php?route=product/product&path=66&product_id=439
See page 12 -
http://hitecrcd.com/images/products/pdf/420_X2-700-Update-V4b.pdf
You can use a battery, but normally instead of a battery, you will be connecting to the PS.
https://www.smc-racing.net/index.php?route=product/product&path=66&product_id=439
See page 12 -
http://hitecrcd.com/images/products/pdf/420_X2-700-Update-V4b.pdf
You can use a battery, but normally instead of a battery, you will be connecting to the PS.