The upgrades that change an RV most are rarely the expensive ones. A $10 light, a $25 pair of struts, or a $100 battery monitor solves a daily annoyance; a $2,000 inverter solves a problem you may have twice a year. This list is sorted by budget, uses the prices on our shelves today, and skips anything that only looks good in a photo. Prices are current as of publication and can change.
Under $50
12 V LED touch puck light — $9.99. Replaces a dead or yellowed ceiling light in fifteen minutes. Warm 3000 K, touch dimming. Buy three.
12 V dual USB + cigarette socket, surface mount — $9.99. A charging point where you actually sit. Tap it off the nearest lighting circuit with an inline fuse.
RV water hose quick-release connector — $9.99. Stops the daily fight with the hose thread at the city water inlet.
Stainless worm-drive hose clamps, 8-pack — $8.99. Not an upgrade until the day they are.
Cabinet push latch — $9.99. For the one cabinet that opens on every corrugation.
Solar motion-sensor entry door light — $9.99. No wiring. Sticks by the door and lights the step when you come back from the bathhouse.
12 V under-cabinet kitchen LED — $16.99. Task lighting on the counter is the single biggest interior improvement per dollar.
Brass gas quick-connect fitting — $16.99. Lets the outdoor stove plug into the camper's propane instead of a green bottle.
Heavy-duty wheel chock — $18.00. Better than the rock you have been using.
7-way trailer plug cord with junction box — $19.99. If your trailer lights flicker, this is the cheapest fix and probably the right one.
SAE 5-bolt tank level sender — $19.99. Replaces the sender that has read "1/3" since 2021.
RV shower head with hose and shut-off — $24.99. Water-saving handset with a pause valve; doubles the number of showers per tank.
Black Series OEM window struts, pair — $25.00. Windows that stay open in the wind. Every HQ owner should carry a spare pair.
HepvO waterless sink trap — $34.99. Ends gray-tank smell through the sink permanently.
Dual LP/CO alarm, 12 V, 100 dB — $42.00. If your detector is past its date, this is not optional.
Under $100
CURT 12 V trailer breakaway kit with LED test light — $49.00. A breakaway you can test without pulling the pin means you will actually test it.
Victron Blue Smart IP65 charger, 120 V — from $52.50. A proper multi-stage lithium/AGM charger with Bluetooth. Replaces the trickle charger that has been slowly killing your battery in storage.
Fridge vent fan — $60.00. The difference between a fridge that keeps up in July and one that does not.
Reusable brass sediment filter, 12 GPM — $69.00. Washable element; stops the annual cartridge purchase.
Off-road recovery tracks, pair — $74.99. The one item on this list that gets the whole rig home.
Automatic changeover LP regulator kit — $78.00. Switches tanks without you noticing. The Flame King two-stage version is $34.99 if you only need the regulator.
Water pump, 12 V — $99.00. If the current one cycles or hammers, a new pump often fixes it and the old one becomes the spare.
Brake drum hub, greased, with two bearings — $99.00. A bolt-on answer to a scored drum or a bearing that ran hot.
Victron SmartShunt 500 A — from $99.99. Just over the line, and the most useful $100 you will spend on an RV electrical system. Knowing the real state of charge changes how you camp.
Under $500
Victron SmartSolar MPPT 100/30 — from $109.99. If the camper came with a PWM controller, this alone raises solar yield noticeably. Pair with the SmartShunt above and you are at about $210 for a real power system brain.
Victron Blue Smart IP22 charger — from $125.97. Higher current than the IP65 for larger banks on shore power.
Folding stabilizer leg, adjustable height — from $130.00. For a camper that rocks all night.
Manual 2-step retractable RV steps, 440 lb — $143.90. A stable entry step is a safety upgrade dressed as a convenience one.
Carbonogy 12 V roof vent fan with remote — $225.00. Reversible, rain-sensing. Moves more air than a portable fan for a fraction of the battery draw.
12 V 8 kW diesel air heater, Bluetooth — $228.00. Turns a three-season camper into a four-season one.
Victron Cerbo GX MK2 — $264.00. Every Victron device on one screen and on your phone from anywhere.
Victron Off-Grid Solar Starter Kit, MPPT 100/30 + BMV-712 — $269.00. Controller and monitor in one box, cheaper than buying separately.
Victron MultiPlus inverter/charger, 120 V — from $274.99. The smallest MultiPlus gives you a proper shore charger and a pure-sine inverter in one unit with automatic transfer.
ARK XO750 trailer jack — $299.00. For heavy off-road campers; the XO350 ($199.00) and XO500 ($249.00) cover lighter ones.
Victron Orion XS 12/12-50 DC-DC charger — from $324.99. Charges a lithium bank properly from the tow vehicle on the drive in.
Cruisemaster DO35 coupling, no handbrake — $349.99. If you are still on a ball coupling and go off-road, this is the upgrade.
Off-road shocks, pair — $380.00. Stock shocks on a loaded HQ are usually tired by 15,000 miles.
Eco-Worthy 12 V 280 Ah LiFePO4 with Bluetooth and low-temp protection — $399.00. The most usable amp-hours per dollar in the store. Roughly the capacity of four lead-acid batteries at a quarter of the weight.
How to spend $500 if you can only do it once
Take the SmartShunt ($99.99), the MPPT 100/30 ($109.99), the fridge vent fan ($60.00), a pair of window struts ($25.00), the LP/CO alarm ($42.00), the under-cabinet light ($16.99), the shower head ($24.99), the HepvO trap ($34.99), and the breakaway kit ($49.00). That is about $463, and it fixes power monitoring, solar yield, fridge performance, ventilation, safety, lighting, water use, smell, and one legal requirement. Everything on the list is in the Add-Ons Under $50 and RV Upgrades collections; bigger items are grouped under Big Upgrades ($500+).
Shop this
- Add-Ons Under $50 (collection)
- Victron SmartShunt — from $99.99
- Victron SmartSolar MPPT 100/30 & 100/50 — from $109.99
- Eco-Worthy 12V 280Ah LiFePO4 — $399.00
- RV Upgrades (collection)