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Renogy

Renogy 400W N-Type Solar Panel 16BB 25% Efficiency

Renogy 400W N-Type Solar Panel 16BB 25% Efficiency

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Renogy's 400W N-Type solar panel set pairs two 200W modules built with 16BB cell technology that reaches 25% cell efficiency, delivering stronger energy conversion and reducing the risk of microcracks. The design is 7.5% smaller and 11.7% lighter than its predecessor, so the same output fits the tight roof space of a Class B van.

The panel is made for 24V systems and also works with 12V and 24V battery banks, including lithium, AGM and deep-cycle, which minimizes current loss and keeps output steady even in cloudy conditions. With a low temperature coefficient it performs well in hot climates, and degradation stays at or below 1% in the first year and 0.4% per year, backed by a 25-year 80% output warranty.

Key Features

Brand Renogy
Model Number N-Type 400 Watt Solar Panel 24 Volt
Product Type N-Type Monocrystalline Solar Panel
Cell Technology 16BB N-Type
Cell Efficiency 25%
Maximum Power 400 W
Maximum Voltage 37.44 V
Amperage Capacity 6.85 A
System Voltage 24 V DC
Connector Type Solar Connector
Material Aluminum, Monocrystalline Silicon, Tempered Glass
IP Rating IP67
Battery Compatibility 12V and 24V systems, including lithium, AGM and deep-cycle
Included Components 2 x 200 W N-Type Solar Panels
Number of Panels 2
Performance Degradation ≤1% in the first year, ≤0.4% annually
Output Warranty 25 years at 80% output
Temperature Coefficient Low
Item Dimensions 49.7 x 30.1 x 1.2 in
Recommended Use Off-grid systems for Class B vans, RVs, marine, cabins, roofs, homes and farms
Condition New

Highlights

  • Perfect Size for Class B Vans: This 400w solar panel is 7.5% smaller and 11.7% lighter than its predecessor, offering the same power output in a more compact, space-saving design, suitable for tight spaces in Class B vans.
  • 25% Cell Efficiency: Renogy 400 watt solar panels feature 25% efficiency, with advanced 16BB cell technology for better energy conversion, reduced microcrack risks, and superior performance, especially in high temperatures.
  • Improved Efficiency and Flexibility: The 24V solar panel minimizes current loss and boosts system efficiency, generating more power even in cloudy conditions. Compatible with 12V and 24V battery systems, including Lithium, AGM, and deep-cycle batteries, it offers flexible installation options for a wide range of off-grid applications.
  • Ideal for Hot Climates: With a low temperature coefficient, these 400 watt solar panels provide performance in high temperatures, making them an option for off-grid use in hot environments.
  • Long-Term Reliability: Renogy 400w solar panel with low degradation (≤1% in the first year, ≤0.4% annually), plus a 25-year 80% output for lasting performance.

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Frequently asked questions

What is needed to complete an off-grid solar power system?

A solar panel must be connected to a charge controller for current regulation and to a battery for power storage. Adapter kit cables wire the panel to the controller, and tray cables connect the battery.

How should a charge controller be sized for these panels?

The controller's maximum PV input voltage must be at least 40V for a single panel or a parallel connection, or 40V multiplied by the number of panels when they are wired in series.

Should the panels be connected in series or in parallel?

In series, voltage increases while the current of one panel is maintained; in parallel, the output current adds up while the voltage stays the same. Both arrangements can optimize power output.

How many panels are needed for a system?

First assess the power load in watts and the capacity in watt-hours, then size the battery bank to the minimum capacity required, and the number of panels follows from that.

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