Can these be laid down on our patio

Why? I laid these out in my driveway to test them. Two panels in series, then those in parallel to the charge controller. Be sure to connect the battery first. Input voltage was 30v. My output was 23 amps at 12v. You can mount the panels flat, vertical, on a roof, or A frame bracket. Output varies with the orientation to the sun. Be sure to leave an air gap under the panel. Again, I’m not sure what your question is referring to, but I hope this helps.

Screen is blank. how does the screen turn on? i connected the battery and have 12.6v but i just have a blank screen any assust would be appreciated.

Connect both the battery and solar panels to the charge controller. Make sure that you have the positive and negative wires correct.

Why am i only getting 200 watts from 400 watts of panels? Clear sunshine all day

The max watt for solar panels are only achieve with clear skies and solar panels that are tilted directly at the sun.

Is there any way to get any instructions for this kit? Mine did not come with any instructions.

There are no instructions. “Google” some of the different solar panel voltage configurations. You could run all 4 in parallel for 12v and get higher amperage. Wiring all 4 in series gives 48v, lower amperage so you don’t need as big of wire. I’m using 2 in series, then those in parallel resulting in 24 volts. The charge controller will reduce that 24v to 12v towards the battery. PAY ATTENTION TO POLARITY. Again, google solar panel connections. Eventually one of the web sites or Utube videos will make sense.

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400 Watt 12 Volt Premium Solar Panel Kit :4pcs 100W Solar Panel+ 40A MPPT Charge Controller+ Bluetooth Module+ Mounting Z Brackets, 400W 12V Solar Power Off Grid System for Home, RV, Boat.

Product ID: 508453918

Details

Brand
ECO-WORTHY
Efficiency
High
Item Weight
32.66
Material
Aluminum
Product Dimensions
35.2"L x 23"W

⚡400W peak power output

📶Bluetooth 5.0 with 82ft range

🛠️IP65 waterproof & durable build

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Description

🌞 Harness the sun like a boss—power your lifestyle with premium off-grid energy!

PLUG PLAY READY - Pre-drilled panels with 16ft cables and MC4 connectors make installation straightforward for savvy DIYers.
POWER YOUR FREEDOM - Generate up to 1.6 kWh daily with 4 premium 100W monocrystalline panels—perfect for off-grid living or emergency backup.
SMART SOLAR CONTROL - 40A MPPT charge controller delivers 99% tracking efficiency and 98% peak conversion—40% more efficient than traditional controllers.
STAY CONNECTED ANYWHERE - Bluetooth module streams real-time system data directly to your phone within an 82-foot radius—monitor your energy like a pro.
BUILT TO BRAVE THE ELEMENTS - Robust aluminum frame, 3.2mm low iron glass, and IP65 waterproof junction box withstand wind up to 2400Pa and snow loads up to 5400Pa.

The ECO-WORTHY 400W 12V Premium Solar Panel Kit includes four 100W monocrystalline panels, a 40A MPPT charge controller, Bluetooth monitoring, and mounting brackets. Designed for high efficiency (21% panel efficiency, 99% MPPT tracking), durability (IP65 waterproof, heavy wind and snow resistance), and smart connectivity, this kit delivers up to 1.6 kWh daily. Ideal for homes, RVs, and boats, it empowers professionals seeking reliable, eco-friendly power with real-time system insights.

Specifications

ASIN	B0BPY72B9R
Amperage Capacity	3.76 Amps
Best Sellers Rank	#139,298 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #534 in Solar Panels
Brand	ECO-WORTHY
Brand Name	ECO-WORTHY
Connector Type	MC4
Customer Reviews	4.3 out of 5 stars 113 Reviews
Efficiency	High Efficiency
Included Components	Fuse
Item Dimensions L x W x H	35.2"L x 23"W x 1.37"H
Item Type Name	US-L02M100N-MCWMZBT-4
Item Weight	32.66 Kilograms
Manufacturer	ECO-WORTHY
Manufacturer Part Number	US-L02M100N-MCWMZBT-4
Material	Aluminum
Material Type	Aluminum
Maximum Power	400 Watts
Maximum Voltage	12 Volts
Model Number	US-L02M100N-MCWMZBT-4
Product Dimensions	35.2"L x 23"W x 1.37"H
Upper Temperature Rating	104 Degrees Celsius

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