Can it charge a laptop?

No. At 30W with USB outputs it is meant for phones, tablets, power banks and other small USB devices, not laptops.

Can I use it in the rain?

The panel is IP65 rated, but the USB junction box and ports are not waterproof. Keep them dry and out of rain.

How many devices can it charge at once?

Two, through the USB-A and USB-C ports together. Total output is shared, so each device charges slower when both are connected.

Does it work on cloudy days?

It produces some power in bright overcast, but far less than in direct sun. Output depends on light angle and shade.

Do I need a battery or power bank?

Not strictly, but a power bank lets you store charge and keeps devices charging when light fades.

The folded 30W panel itself. Bring your own USB cables for your devices.

What do buyers say about the LVYUAN Solar Panel 30W Foldable Solar Panel Charger?

Rated 4.5 out of 5 from 25 ratings.

LVYUAN Solar Panel 30W Foldable Solar Panel Charger

Best price now

$18.68at WalmartChecked Nov 10

Prices are checked against each store and labelled with when.

Visit Walmart

LVYUAN Solar Panel 30W Foldable Solar Panel Charger

Best price now

$18.68at WalmartChecked Nov 10

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $18.68 at Walmart on Nov 10.

Our take on the LVYUAN Solar Panel 30W Foldable Solar Panel Charger

The LVYUAN 30W is a foldable monocrystalline solar panel charger for phones, power banks and small USB devices off-grid. It uses ETFE-laminated cells rated up to 23% conversion and offers both USB-A and USB-C outputs so two devices can charge at once. IP65 water resistance covers the panel, but the junction box and ports must stay dry. It suits campers and hikers topping up small electronics; it cannot charge laptops or run appliances, and output drops sharply in cloud or shade.

Best forCampers and hikers charging phones and power banksEmergency backup for small USB devicesBackpackers who want a packable panel

Pros

Folds down for packing and carrying
Monocrystalline cells with ETFE surface, up to 23% conversion
USB-A and USB-C outputs for two devices at once
IP65 water resistance on the panel
Over-current, over-heat and short-circuit protection

Cons

Junction box and USB ports are not waterproof
Output falls in cloud, shade or low sun
30W is too little for laptops or larger gear
Needs direct sun and steady positioning to hold output

LVYUAN Solar Panel 30W Foldable Solar Panel Charger prices at every store

WalmartNew
In stockSold by LvyuanReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$18.68Free shippingChecked Nov 10
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What reviewers say

4.5 / 525 ratings

Rated 4.5 from 25 ratings, buyers treat it as a handy small-device charger for trips and emergencies. Complaints center on output dropping in weak sun and the exposed junction box needing care.

What people mention

PortabilityPraisedOwners like how small it folds and how little it weighs in a pack.
Charging speedMixedIt charges phones and power banks well in strong sun but slows noticeably otherwise.
Sun dependenceCriticisedOutput drops in cloud, shade or low angles, so positioning matters.
Water resistanceMixedThe panel handles splashes, but the junction box and ports must be kept dry.
BuildPraisedBuyers describe the ETFE surface and folding panels as sturdy for outdoor use.

About the LVYUAN Solar Panel 30W Foldable Solar Panel Charger

The LVYUAN 30W Foldable Solar Panel is a portable charger for off-grid power. It is meant for camping, hiking, backpacking, fishing and emergency use. It uses monocrystalline silicon cells with an ETFE surface to convert sunlight into power, with a conversion rate of up to 23%.

It has dual USB-A and Type-C ports, so it can charge multiple devices at the same time. The panel is lightweight and folds for carrying. It has IP65 water resistance, but the USB ports and junction box are not waterproof and need to be kept dry.

Over-current, over-heat and short-circuit protection are built in. Cloudy weather or insufficient sunlight can reduce output efficiency.

Power: 30W
Cell type: Monocrystalline silicon
Surface material: ETFE
Conversion rate: Up to 23%
Ports: USB-A, Type-C (simultaneous charging)
Water resistance: IP65 (USB ports and junction box not waterproof)
Protections: Over-current, over-heat, short-circuit
Design: Foldable, lightweight
Color: Black

Specifications

shape: 30WSource
color: BlackSource

Questions and answers

Can it charge a laptop?: No. At 30W with USB outputs it is meant for phones, tablets, power banks and other small USB devices, not laptops.
Can I use it in the rain?: The panel is IP65 rated, but the USB junction box and ports are not waterproof. Keep them dry and out of rain.
How many devices can it charge at once?: Two, through the USB-A and USB-C ports together. Total output is shared, so each device charges slower when both are connected.
Does it work on cloudy days?: It produces some power in bright overcast, but far less than in direct sun. Output depends on light angle and shade.
Do I need a battery or power bank?: Not strictly, but a power bank lets you store charge and keeps devices charging when light fades.
What is in the box?: The folded 30W panel itself. Bring your own USB cables for your devices.
Where is the LVYUAN Solar Panel 30W Foldable Solar Panel Charger cheapest?: At Walmart, for $18.68, as of our latest check.
What do buyers say about the LVYUAN Solar Panel 30W Foldable Solar Panel Charger?: Rated 4.5 out of 5 from 25 ratings.