Garmin RV GPS
RV GPS
The routing GPS James links from the fuel and license pages.
Price and stock are on Amazon. We don't copy them here because they change.
Gear kits
Kits built from gear James already links
Each kit groups products from the Megawatt calculators. One button drops the whole kit into an Amazon cart, and you check the prices there.
4 itemsMatches your rig
First boondock weekend
The RV GPS, a tire pressure monitor, a weather radio, and the smallest solar pack the calculators link. It covers getting there and a quiet first night. It isn't a full electrical system.
TireMinder TPMS
Tire-pressure monitor
Watches tire pressure while you drive. Linked from the fuel savings calculator.
Price and stock are on Amazon. We don't copy them here because they change.
Midland emergency weather radio
Emergency weather radio
The radio linked from the wind calculator. Keep one in the coach for storm alerts.
Price and stock are on Amazon. We don't copy them here because they change.
200W solar pack
200 W solar pack
The smallest pack the solar calculator rounds up to. About 600 Wh on a 4-sun-hour day by its math.
Price and stock are on Amazon. We don't copy them here because they change.
2 itemsMatches your rig
Fleetwood Bounder solar starter
The 400 W pack and the 12 V 300Ah battery, sized for a big gas Class A. Measure your roof and check that the converter can charge lithium before you buy. Fleetwood doesn't sell this as a kit.
400W solar pack
400 W solar pack
The array in the Bounder starter kit. About 1,200 Wh on a 4-sun-hour day by the calculator's math.
Price and stock are on Amazon. We don't copy them here because they change.
Vatrer 12V 300Ah lithium battery
12 V · 300 Ah · 3,840 Wh
The pack the Bounder starter kit pairs with a 400 W array.
Price and stock are on Amazon. We don't copy them here because they change.
5 itemsMatches your rig
12-volt lithium bank options
Every 12-volt battery the battery calculator links, side by side. The 100Ah link never resolved to a product number, so the cart leaves it out. Use its own button instead.
Add 4 to an Amazon cart
Not in the cart: Vatrer 12V 100Ah lithium battery. Use its own button below.
Vatrer 12V 100Ah lithium battery
12 V · 100 Ah · 1,280 Wh
The smallest lithium pack on the Megawatt battery calculator, and the floor it never sizes below.
This short link didn't open a product page when we checked it on Oct 1, 2026. It's kept exactly as James published it.
Vatrer 12V 300Ah lithium battery
12 V · 300 Ah · 3,840 Wh
The pack the Bounder starter kit pairs with a 400 W array.
Price and stock are on Amazon. We don't copy them here because they change.
Vatrer 12V 460Ah lithium battery
12 V · 460 Ah · 5,888 Wh
More storage without leaving 12 volts, so the converter, fuses, and wiring plan stay familiar.
Price and stock are on Amazon. We don't copy them here because they change.
Vatrer 12V 560Ah lithium battery
12 V · 560 Ah · 7,168 Wh
A big 12-volt bank. Check the battery bay dimensions and the weight before you order.
Price and stock are on Amazon. We don't copy them here because they change.
Vatrer 12V 600Ah lithium battery
12 V · 600 Ah · 7,680 Wh
The largest 12-volt pack on the calculator. Check the bay dimensions before you order.
Price and stock are on Amazon. We don't copy them here because they change.
3 itemsMatches your rig
24V and 48V packs
The 24 and 48 volt packs, for when the battery calculator says your load has outgrown 12 volts.
Vatrer 24V 200Ah lithium battery
24 V · 200 Ah · 5,120 Wh
Where the calculator sends you once continuous load passes 3,000 watts.
Price and stock are on Amazon. We don't copy them here because they change.
Vatrer 24V 300Ah lithium battery
24 V · 300 Ah · 7,680 Wh
The bigger 24-volt option. Plan on a 24-volt inverter and charger to match.
Price and stock are on Amazon. We don't copy them here because they change.
Vatrer 48V 100Ah lithium battery
48 V · 100 Ah · 5,120 Wh
For builds over 5,000 continuous watts. At this voltage, most owners hire the install.
Price and stock are on Amazon. We don't copy them here because they change.