If you’re building your first campervan electrical system, the Renogy 2-in-1 DC-DC & MPPT charger is one of the simplest and most reliable ways to keep your batteries charged on the road.

In this video, I break down exactly what this charger does, how it replaces two separate components, and why it’s become my go-to recommendation for beginner-friendly 12V systems. I cover real charging speeds, battery compatibility, smart-alternator support, and how easy it is to install and use.

This isn’t a spec-sheet breakdown — it’s a practical, real-world review based on using the unit in actual van builds.

In this Renogy charger review, I cover:

• What a DC-DC charger actually does in a campervan

• How solar and alternator charging work together

• Battery compatibility (AGM, Gel, Lead Acid & LiFePO4)

• Real-world charging speeds (30A vs 50A)

• Smart-alternator compatibility

• Why this unit simplifies 12V systems for beginners

If you want a clean, efficient electrical setup without overcomplicating things, this charger makes it far easier to get right the first time.

👉 You can also check out my free Van Conversion Guide, where I show how this charger fits into a complete 12V system from start to finish.