All the TRIBE trailers need to be winterized. Batteries Option 1 is to plug the trailer into a 110V outlet and connect it to the shore power for the winter. Option 2 is to remove the batteries and replace them when the winter is over. Make sure you trickle charge the batteries while in storage and before use boost them up. Option 3 is to connect a trickle charger on a solar system tot he batteries so that it stays charged. Winterizing the water system: 1. Turn off all water pumps 2. Drain out all the water is the tank. 3. Clear out all water and toilet/shower lines. Sanitize your toilet system. This needs to be done at least once every 6 months. 1. Flush out all water from system 2. Use a portable water sanitizing product like Camco tastePure spring fresh water system cleaner. 3. DO NOT USE BLEACH this will cause corrosion.