After replacing alternator twice, battery still no charge

What is your question?

Replaced alternator twice from autozone, new positive battery cable and, new battery, new relay alternator diode and replaced all fuses. Battery still will not charge. 4 yrs old son jammed screw driver n ignition couple wks b4 this started could this cause it. Also windshield has started leaking air have more frost on inside of windshield then the outside

What makes this problem better or worse?

The cold, headlights on & heater on

How long has your 2008 Kia Sedona had this problem?

4 months