Welcome to the 12Volt-Travel.com Knowledgebase!
Here you’ll find practical guides and answers focused on RV, semi-truck, and general travel gear—including portable appliances, lighting, accessory outlets, 12-volt coolers, batteries, power supplies, heaters, and much more. Browse the latest updates and explore topics that help you get the most from your 12-volt equipment on the road.
Latest Updates
- 12 Volt Coolers:July 18, 2017 Maintenance Of 12 Volt Coolers
Learn how to properly clean and maintain your 12-volt cooler or portable mini-refrigerator. Keep fans and heat sinks dust-free for better performance and longer life—never submerge the unit in water.
- 12 Volt Coolers:July 2, 2017 12 Volt Cooler Power Cord Failure And Melting
Why do 12-volt cooler power cords melt? It’s usually a loose or poor connection in the lighter socket that causes excess amperage and heat—not a cooler failure. Here’s the simple fix.
- The 12 Volt Battery:March 17, 2016 How Long Will My Battery Last
How long will your 12-volt battery last? Learn why runtime varies, a simple amp-hour calculation example, and why deep-cycle batteries are better for extended use with 12V devices.
- Power Supply Demand:January 28, 2016 Wire Size Guide Chart
Use these wire size guide charts for 12-volt through 72-volt DC systems. Quickly find the right gauge and maximum wire length based on amp draw for safe, efficient installations.
- Fans Heaters Dc Powered:November 25, 2014 Heaters Powered By 12 Volt Lighter Socket
Learn the real power limits of heaters that plug into a 12-volt lighter socket. Understand fuse ratings, why you shouldn’t increase fuse size, and how these heaters work best for defrosting and supplemental heat.