Your Cart is Empty
Automotive/RV - Charger/Inverter Combos
Sort by:
Power Your RV or Vehicle Anywhere — Inverter/Charger Combos That Keep You Running On and Off the Grid
Charger/inverter combos give RV owners, van-lifers, and marine travelers a single, integrated solution for managing shore power, battery charging, and AC output without juggling separate devices. This collection brings together trusted brands — Mastervolt, Xantrex, Samlex America, and Victron Energy — offering units that range from compact 12V chargers to high-capacity 3000W pure sine inverter/charger systems built for serious off-grid demands. Whether you're outfitting a weekend camper or a full-time live-aboard setup, there's a unit here sized for the job.
What You Gain With an Integrated Inverter/Charger
- Seamless shore-to-battery switching — when shore power connects, the unit charges your battery bank; when it disconnects, it instantly switches to inverter mode so your appliances never miss a beat.
- Run sensitive electronics confidently — pure sine wave output from units like the Samlex 3000W Pure Sine Inverter/Charger protects laptops, CPAP machines, and modern appliances from the distortion common with modified sine units.
- Reduce wiring complexity on a build-out — one combo unit replaces two separate components, cutting installation time and potential failure points in a custom van or RV electrical system.
- Scale to your actual load — from the Mastervolt PowerCombi 12V 1200W for lighter duty needs to the Mastervolt CombiMaster 12V 3000W 160A for high-demand systems, there's a unit matched to your actual power draw.
- Maintain batteries during storage — the Victron BlueSmart IP65 Charger is a smart choice for keeping a 12V battery conditioned when the rig is parked between trips.
How to Choose the Right Unit for Your Setup
Start with your battery bank voltage — most RV systems run 12V, but larger coach and marine installations often use 24V for efficiency at higher loads. Next, calculate your continuous wattage needs: add up the draw of everything you'd run simultaneously, then choose a unit rated above that number. A 2000W unit handles a microwave or small air conditioner; a 3000W unit covers more demanding simultaneous loads.
Consider your charging amperage as well. A higher amp charger refills a large battery bank faster — important if you're on shore power for only a few hours at a time. Units like the Mastervolt CombiMaster 12V 2000W 100A strike a practical balance for mid-size systems. If you're unsure about installation or system sizing, consulting a certified RV or marine electrician is always a smart move.
Frequently Asked Questions about Automotive/RV - Charger/Inverter Combos
-
A charger/inverter combo is a single unit that both converts DC battery power into AC electricity for running appliances and recharges the battery from shore or generator power. Having both functions in one device saves space and simplifies wiring, making it a popular choice for RVs, boats, and off-grid setups.
-
Charger/inverter combos are designed for RV owners, van lifers, boaters, and overlanders who need reliable AC power on the road without being plugged into shore power at all times. Anyone managing a battery bank and wanting to run household appliances from 12V or 24V DC systems will benefit from this type of unit.
-
Start by calculating the total wattage of the appliances you plan to run simultaneously, then choose a charger/inverter combo rated above that load. You also need to match the unit's DC voltage to your battery bank, typically 12V or 24V, and confirm the charging amp output suits your battery capacity.
-
A pure sine wave charger/inverter combo produces AC power that closely matches utility grid power, making it safe for sensitive electronics like CPAP machines, laptops, and variable-speed motors. A modified sine wave unit costs less but can cause issues with certain devices, so pure sine is generally the recommended choice for RV and automotive use.
-
No, most charger/inverter combos are built specifically for either a 12V or a 24V battery system, not both. Before purchasing, confirm your battery bank voltage and match it to the unit's DC input rating, since using the wrong voltage can damage the device and your batteries.
-
Mount the charger/inverter combo in a well-ventilated location close to your battery bank to minimize cable length and power loss. Connect the DC terminals directly to your batteries using appropriately sized cables and a fuse, then wire the AC output to your onboard electrical panel following the manufacturer's wiring diagram.
-
Yes, quality charger/inverter combos from reputable brands sold for automotive and RV use are typically UL listed or meet other recognized safety certifications, confirming they have been tested for electrical safety and performance. Always verify the unit's certifications before purchasing, especially if you plan to use it in a marine or enclosed vehicle environment.
-
Because a charger/inverter combo combines two essential functions into one unit, buyers save on the cost of purchasing two separate devices and reduce the complexity of installation and wiring. The integrated design also means the unit can automatically switch between inverting and charging modes, which standalone units cannot do on their own.
-
Keep the charger/inverter combo clean and free of dust buildup around its vents, since overheating is one of the most common causes of premature failure. Periodically check all cable connections for corrosion or looseness, and store the unit in a dry location away from moisture, especially during long periods of non-use.
-
Yes, a charger/inverter combo can power an RV's AC appliances from a battery bank, but run time depends entirely on battery capacity and the total load being drawn. High-draw appliances like air conditioners require large battery banks and high-wattage inverters, so realistic power planning is essential before relying solely on battery power.