Buying guide
Off-Grid Power Upgrade
Updated How we research
Everything you need to keep the lights on when you leave the hookups behind. The page is split into three sections (Generate Your Own Power; Keep Batteries Topped Up; Light Up Camp Efficiently), followed by every pick ranked by our score so you can compare them in one place.

The short version
We compared 12 picks. Our scores range from 5.0 to 8.8 out of 10.
- Best overall:Westinghouse iGen4000DFcv 4000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator, Gas & Propane Powered, RV Ready, CO Sensor, Parallel Capable. Highest overall score in this guide at 8.8/10.
- Also great value:Obeaming RV Flexible LED Strip Light 12V Dimmable Tape Light 16.4 ft 600 LEDs 2000 Lumen (3000K). Value score of 9/10, overall 8.8/10.
- Solid build:Westinghouse iGen4500 5000 Peak Watt Super Quiet Portable Inverter Generator, Remote Electric Start, RV Ready, Gas Powered, Parallel Capable. Build and materials score of 8/10, overall 8.6/10.
- Feature-rich:Westinghouse 12000 Peak Watt Dual Fuel Portable Inverter Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, Parallel Capable, CO Sensor. Features score of 10/10, overall 8.3/10.
Scores are our editorial assessment, not customer ratings. How we score
Generate Your Own Power
- Westinghouse iGen4000DFcv 4000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator, Gas & Propane Powered, RV Ready, CO Sensor, Parallel CapableOur score8.8/10
- Westinghouse iGen4500 5000 Peak Watt Super Quiet Portable Inverter Generator, Remote Electric Start, RV Ready, Gas Powered, Parallel CapableOur score8.6/10
- Westinghouse 12000 Peak Watt Dual Fuel Portable Inverter Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, Parallel Capable, CO SensorOur score8.3/10
- Westinghouse iGen2550DFc 2550 Peak Watt Super Quiet & Lightweight Portable Inverter Generator, RV Ready 30A Outlet, Gas and Propane Powered, CO Sensor, Parallel CapableOur score8.2/10
Keep Batteries Topped Up
- PowerMax PM4-35A 35 Amp RV Power Converter Charger, 12V Smart 4-Stage Battery Charger, 110V AC to 12V DC, Adjustable 13-16.5V Output, Lithium CompatibleOur score8.3/10
- PowerMax PM3-75 RV Power Converter, 110 Volt to 12 Volt DC Power Supply Charger with 75 Amp CapacityOur score8.0/10
- RV Converter, Multiple Capacities RV Power Converter RV Battery Charger (75-AMP)Our score6.8/10
- RV Battery Charger ConverterOur score5.0/10
Light Up Camp Efficiently
- Obeaming RV Flexible LED Strip Light 12V Dimmable Tape Light 16.4 ft 600 LEDs 2000 Lumen (3000K)Our score8.8/10
- 12V LED RV Boat Ceiling Lights Recessed Interior Dome Light 3.5W 3-inch Brushed Nickel, 4 Pack (Warm White)Our score8.6/10
- Obeaming 3CCT 12V LED Light Bar, 12 Inch RV Dimmable Light StripOur score8.3/10
- 12V Reading Light LED RV Interior 2.2W with USB Port, Touch Switch Dimmable Warm (One Pack)Our score7.8/10
All 12 picks, ranked by our score
Every product from the sections above, listed once. Sort by the criterion you care about most, or tick up to three to compare.
#1Westinghouse's iGen4000DFcv dual fuel inverter generator with 4000 peak watts, RV ready outlet and CO sensor.
Fit for the job 9/10 · Features and specs 9/10 · Build and materials 8/10 · Value 9/10
- + 4000 peak watts covers a single AC unit in many travel trailers
- + Dual fuel gas and propane operation adds flexibility off-grid
- + Super quiet inverter design keeps campground neighbors happy
- - Pull start is implied since no electric start is listed
- - Propane running reduces available output compared with gas
#2Obeaming's 12V dimmable flexible RV LED strip light, 16.4 ft with 600 LEDs, 2000 Lumen output and 3000K warm color.
Fit for the job 9/10 · Features and specs 9/10 · Build and materials 8/10 · Value 9/10
- + 16.4 ft length covers under-cabinet or awning lighting runs
- + 3000K warm color gives a cozy feel inside the RV
- + Dimmable tape light adjusts brightness for evenings
- - Adhesive backing can peel in hot RV interiors
- - Needs a dimmer and power connection planned before install
#3Westinghouse's iGen4500 inverter generator with 5000 peak watts, remote electric start and RV ready outlet, gas powered.
Fit for the job 9/10 · Features and specs 9/10 · Build and materials 8/10 · Value 8/10
- + 5000 peak watts can start a rooftop AC and run other loads alongside
- + Remote electric start means no pull cord on cold mornings
- + Parallel capable, so two units can combine for bigger rigs
- - Gas only, so you cannot switch to propane from the RV tank
- - Heavier than compact inverters and awkward to lift into a truck bed
#4A 4 Pack of 12V 3.5W 3-inch brushed nickel recessed LED dome ceiling lights in warm white, for RVs and boats.
Fit for the job 9/10 · Features and specs 8/10 · Build and materials 8/10 · Value 9/10
- + 4 Pack replaces several old incandescent dome lights at once
- + 3.5W LEDs use far less battery power than halogen bulbs
- + Brushed nickel trim gives a modern, clean ceiling look
- - Recessed lights need a matching 3-inch ceiling hole
- - No dimmer mentioned, so brightness is fixed
#5Westinghouse's 12000 peak watt dual fuel inverter generator with remote electric start, transfer switch ready outlet and CO sensor.
Fit for the job 8/10 · Features and specs 10/10 · Build and materials 8/10 · Value 7/10
- + 12000 peak watts can run two air conditioners on large motorhomes
- + Transfer switch ready, so it doubles as home backup power
- + Remote electric start plus dual fuel makes daily use easier
- - Very heavy unit that needs a ramp or lift to move
- - Oversized for small trailers and costly to run on light loads
#6PowerMax's PM4-35A 35 Amp smart 4-stage RV converter charger, 110V AC to 12V DC with adjustable 13-16.5V output.
Fit for the job 8/10 · Features and specs 9/10 · Build and materials 8/10 · Value 8/10
- + Adjustable 13-16.5V output can be tuned for lithium batteries
- + Smart 4-stage charging helps extend battery life
- + 35 Amp size suits smaller trailers with modest 12V loads
- - 35 Amp output is slow for recharging large battery banks
- - Adjustable voltage must be set correctly to avoid overcharging
#7Obeaming 12-inch 12V LED light bar with a built-in switch for 3000K, 4000K and 6000K white, dimming and a red night light mode. A slim 8W, 580-lumen fixture for low RV ceilings and tight spots.
Fit for the job 8/10 · Features and specs 9/10 · Build and materials 8/10 · Value 8/10
- + Integrated switch selects 3000K warm, 4000K neutral or 6000K cool white and dims, with brightness memory
- + Dedicated red night light mode gives soft, low-glare light for late-night trips through the RV
- + 580 lumens from 8W with CRI 85+, a full aluminum backplate, and 3-year limited coverage for manufacturer defects
- - A single 12-inch bar at 580 lumens lights one zone, so a full cabin needs several fixtures
- - Color and dimming are set at the toggle on the bar itself, so each fixture has to be adjusted one by one
#8Westinghouse's iGen2550DFc dual fuel inverter generator with 2550 peak watts, a 30A RV outlet, CO sensor and parallel kit support.
Fit for the job 8/10 · Features and specs 8/10 · Build and materials 8/10 · Value 9/10
- + Lightweight design is easy for one person to carry to camp
- + Runs on gas or propane, giving fuel flexibility on the road
- + CO sensor shuts it down if exhaust builds up near the unit
- - 2550 peak watts struggles to start most rooftop air conditioners alone
- - Smaller fuel tank means more frequent refills on long days
#9PowerMax PM3-75 RV Power Converter, 110 Volt to 12 Volt DC Power Supply Charger with 75 Amp Capacity
PowerMax's PM3-75 RV power converter, a 110 Volt to 12 Volt DC power supply charger with 75 Amp capacity.
Fit for the job 8/10 · Features and specs 8/10 · Build and materials 8/10 · Value 8/10
- + 75 Amp capacity supports larger 12 Volt loads in big rigs
- + PowerMax converters are a common aftermarket replacement
- + Works as a clean power supply as well as a battery charger
- - Check whether it supports lithium or multi-stage charging
- - Cooling fan noise can be noticeable in quiet campsites
#10A warm dimmable 12V LED RV reading light, 2.2W with USB port and touch switch, sold as one pack.
Fit for the job 8/10 · Features and specs 8/10 · Build and materials 7/10 · Value 8/10
- + USB port charges a phone right next to the bed
- + Touch switch dims the light without hunting for a button
- + Low 2.2W draw is gentle on the house battery
- - One pack only, so a second light is needed for the other side
- - Check whether the light head is adjustable
#11A 75-AMP RV power converter and battery charger, sold in multiple capacities to replace a failing onboard unit.
Fit for the job 7/10 · Features and specs 6/10 · Build and materials 6/10 · Value 8/10
- + 75-AMP capacity runs house lights and fans while charging batteries
- + Multiple capacities let you match your original converter size
- + Direct swap can revive dim lights caused by a failing old unit
- - Check the charging profile supports lithium batteries
- - Hardwired install requires basic electrical skill and care
#12A generic RV battery charger converter with no capacity or brand listed, a vague option for replacing an onboard converter.
Fit for the job 5/10 · Features and specs 4/10 · Build and materials 5/10 · Value 6/10
- + Converter charger combines a DC power supply and battery charging
- + Suits owners replacing a basic factory converter
- + Simple unit with few settings for straightforward installs
- - Check the amp rating fits your rig before buying
- - Vague listing gives no charging stages or battery chemistry support
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Based on the last 28 days of search and visitor data.
RV Upgrade Hub curates picks for US shoppers. Scores are our editorial assessment. We may earn a commission from links on this page.