Prevent a Dead Battery by Installing a Dual Battery Isolator Relay
Prevent a dead Battery. Install a Dual Battery Isolator by Keyline sold at Amazon.com. This is a voltage sensitive relay. It charges both starter battery and solar system batteries. Please watch my video on how to install a VSR yourself.
Dual Battery Isolator Kit – enables your accessories to run from a separate battery while the engine is not running on your vehicle while keeping your main battery charged and your vehicle always ready to go and start when you want it to. This dual battery isolator kit features 12 Volt 140 Amp Voltage Sensitive Relay Isolator and includes all the bits and pieces needed for a complete installation.
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Off-Grid Prepared
Are you off-grid prepared? Seriously, if a natural disaster occurred, do you have 3 days of food or are you ready to possibly live in your vehicle? This website is my project. Watch my mistakes or successes in building an off-grid vehicle. My selection after my exhaustive search is a 2002 Honda Odyssey. Check out project steps for everything needed to install solar panels on an any vehicle. Solar panels charge the battery system, so I can run a refrigerator, lights, and charge any devices. I also use my van as a camper to test everything in a real life off-grid scenario.
Even though you should have 3 days of food. Really you should have 2-weeks of food and water.
https://en.wikipedia.org/wiki/Off-the-grid
I refer to other sources that can help you plan for disaster recovery and off-grid preparedness Disaster Relief Best Practices (benevity.com)