Do I need a charge controller with this kit?

Yes. The kit is panels only, so pair them with an MPPT or PWM controller rated for at least 30A at 12V or 20A at 24V.

Can the two panels be wired in series or parallel?

Either works. Series gives about 49V and suits MPPT controllers; parallel keeps voltage near 20.5V and needs thicker cable.

What size roof space do the panels need?

Each panel measures about 52.75 by 26.37 inches, so the pair needs roughly 19 square feet of mounting area.

Are these panels suitable for a boat?

The rigid framed design suits deck or hardtop mounting, but check that the mounting surface can take the panel weight and wind load.

How long will the panels last?

The N-type cells are claimed to resist light-induced degradation for over 25 years, though the warranty terms should be checked with the seller.

Where is the RVPOZWER 400W Solar Panel Kit (2 Pack 200W) cheapest?

At Walmart, for $167.58, as of our latest check.

What do buyers say about the RVPOZWER 400W Solar Panel Kit (2 Pack 200W)?

Rated 4.8 out of 5 from 11 ratings.

Where can I buy the RVPOZWER 400W Solar Panel Kit (2 Pack 200W)?

2 stores we checked sell it, including Walmart, Amazon.

RVPOZWER 400W Solar Panel Kit (2 Pack 200W)

Best price now

$167.58at WalmartChecked 2 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when.

Visit Walmart

RVPOZWER 400W Solar Panel Kit (2 Pack 200W)

Best price now

$167.58at WalmartChecked 2 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Lowest price today: $167.58 at Walmart (checked Nov 15, 2026).
Checked at 2 stores.

Our take on the RVPOZWER 400W Solar Panel Kit (2 Pack 200W)

The RVPOZWER 400W kit pairs two 200W rigid panels built on 18-busbar N-type cells, rated at 25.2% conversion efficiency. Each panel puts out about 20.5V and 9.75A under load, with a 24.6V open-circuit voltage and ±3% power tolerance. The two panels suit RV roofs, boats and off-grid backup where a charge controller and mounting are supplied separately. Against common 100W and 200W mono panels, the busbar count and N-type cells are the selling point; buyers should weigh that against the kit's lack of included controller and hardware.

Best forRV and van roof arraysMarine and boat chargingOff-grid cabin and backup powerBuyers building a 400W array from two matched panels

Pros

Two matched 200W panels in one kit
18-busbar N-type cells rated at 25.2% efficiency
Low light-induced degradation claimed over 25 years
Rigid framed design for roof and deck mounting
±3% power tolerance keeps the pair closely matched

Cons

Charge controller not included
Mounting brackets and cabling sold separately
Rigid panels need flat, secure mounting space
Higher per-panel weight than flexible panels

RVPOZWER 400W Solar Panel Kit (2 Pack 200W) prices at every store

WalmartNew
In stockSold by RVPOZWER StoreReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$167.58Free shippingChecked 2 h ago
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AmazonNew
Availability unknown
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$249.99Free shippingChecked 2 h ago
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RVPOZWER 400W Solar Panel Kit (2 Pack 200W) price history

Lowest price we've seen: $249.99 on Nov 15 at Amazon. Tracked across 1 store since Nov 15.

What reviewers say

4.8 / 511 ratings

Only a handful of ratings so far, and they are positive. Buyers describe the panels as solidly built and producing close to their rated output in good sun.

What people mention

OutputPraisedOwners report the panels deliver close to their rated wattage in clear conditions.
BuildPraisedBuyers describe the frames and junction boxes as solid.
SetupMixedWiring is simple, but the missing controller and mounts add work and cost.

About the RVPOZWER 400W Solar Panel Kit (2 Pack 200W)

This kit includes two 200W solar panels, for 400W of rated power in total. Each panel uses N-Type cells with an 18-busbar (18BB) design. The extra busbars reduce internal resistance and shorten the path the electrons travel. The cell conversion efficiency is 25.2%.

The panels have a rugged, all-weather build. They can be used to power an RV or a marine vessel, or in a home backup system.

Pieces: 2 panels
Total power: 400W (2 x 200W)
Maximum power: 200W per panel (Pmax)
Max power voltage: 20.52V (Vmp)
Max power current: 9.75A (Imp)
Open circuit voltage: 24.62V (Voc)
Short circuit current: 10.75A (Isc)
Power tolerance: ±3%
Cell type: N-Type, 18 busbar (18BB)
Efficiency: 25.2% conversion efficiency
Dimensions: 1340 x 670 x 30 mm (52.75 x 26.37 x 1.18 in) per panel
Color: Black

Specifications

number_of_pieces: 2Source
color: BlackSource

Questions and answers

Do I need a charge controller with this kit?: Yes. The kit is panels only, so pair them with an MPPT or PWM controller rated for at least 30A at 12V or 20A at 24V.
Can the two panels be wired in series or parallel?: Either works. Series gives about 49V and suits MPPT controllers; parallel keeps voltage near 20.5V and needs thicker cable.
What size roof space do the panels need?: Each panel measures about 52.75 by 26.37 inches, so the pair needs roughly 19 square feet of mounting area.
Are these panels suitable for a boat?: The rigid framed design suits deck or hardtop mounting, but check that the mounting surface can take the panel weight and wind load.
How long will the panels last?: The N-type cells are claimed to resist light-induced degradation for over 25 years, though the warranty terms should be checked with the seller.
Where is the RVPOZWER 400W Solar Panel Kit (2 Pack 200W) cheapest?: At Walmart, for $167.58, as of our latest check.
What do buyers say about the RVPOZWER 400W Solar Panel Kit (2 Pack 200W)?: Rated 4.8 out of 5 from 11 ratings.
Where can I buy the RVPOZWER 400W Solar Panel Kit (2 Pack 200W)?: 2 stores we checked sell it, including Walmart, Amazon.