2000chevyprerunner

I'm new to this forum... Hello I'm shaen and lives in paso robles, ca
I'm trying to figure out what wrong with my ingition, last friday my battery died completely so I replaced new battery and tighten all cables, I drove it around and it runs really good so now I had it sit at home whole weekend and this morning I woke up to go to work and I hopped in my truck and tryed to start it when I turned key to "on" all lights and dash board and interior dome light works fine then I turned key to "start" everything shut off no lights at all I checked cable on battery they all tighted I tried again it keeps happening, also other problems.... Before battery was dead, everytime I tried to start my truck it keep sputting when I turn key to start and iot started reallly slowed then started at very low idle then it worked the rpm up the way to 1,000 rpm it keep happeneing when engine is cold,