Put battery back in battery compartment.

Put cover on and feed battery connector through hole.

Align screws but do not secure cover until testing the battery

Connect the battery to the cox box electronics.

The cox box should start at this point.

Connect a cox box charger. The charging symbol should being flashing.

If the cox box says something about it being too cold to charge, the thermistor is incorrect or not wired.

You can walk through the diagnostics to see battery voltage and charging information: Main Menu->Setup->Advanced->Diagnostics