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Oscal PM400 Solar Panel

By: Oscal SKU: PM400 Pro Out of stock
$499.99
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Product Overview

PM400 Pro and PM400 Plus are high output portable solar panels designed for users who need meaningful power capacity from a single panel without compromising on build quality or electrical clarity. Both models deliver a rated 400W output and use monocrystalline silicon cells with ETFE lamination, prioritizing efficiency, durability, and predictable performance. These panels are suited for larger portable power systems or energy setups where smaller panels would require unnecessary stacking. Each version offers a distinct electrical profile, allowing buyers to choose the configuration that best aligns with their existing equipment and long term energy planning.

Why This Product Makes Sense

As power needs increase, the margin for error narrows. Higher capacity solar panels are often where vague specifications, inflated ratings, and unclear tradeoffs become expensive mistakes. The PM400 Pro and PM400 Plus approach this category with transparency. Both clearly state their electrical limits, physical dimensions, and efficiency figures, allowing buyers to assess fit before committing rather than adapting after purchase.

At 400W rated output, these panels are designed for users who already know that smaller panels create compromises. Fewer panels mean fewer connections to manage and a simpler overall system. That simplicity only holds value if each panel delivers consistent output. The defined voltage and current characteristics of both models help reduce uncertainty when pairing with power stations or controllers that expect stable input ranges.

The PM400 Pro operates at a higher maximum power voltage of 36V with a current of 11.1A. This profile is often preferred in setups where higher voltage input improves efficiency across longer cable runs or aligns more naturally with certain system architectures. Its stated transformation efficiency of at least 23 percent reflects a design that emphasizes conversion performance within a relatively slim unfolded thickness of 21 mm.

The PM400 Plus offers a slightly different balance, delivering its 400W output at 34.2V and 11.7A. This configuration may appeal to users whose existing systems are optimized for moderately higher current rather than voltage. With a transformation efficiency of at least 22.7 percent, it remains firmly in the high efficiency category while offering a more compact folded form for storage.

Material selection matters more at this size and weight class. Both models use ETFE lamination, a material commonly chosen for portable panels that are deployed and packed away repeatedly. This choice supports surface durability and helps the panel maintain consistent behavior over time. The monocrystalline silicon cells further reinforce this focus on predictable performance rather than marginal gains achieved through less stable materials.

Physical scale is another critical consideration. The PM400 Pro unfolds to 2554 × 959 mm, creating a large active surface area while maintaining a uniform thickness. Its weight of 22.10 kg reflects a panel that prioritizes structural integrity alongside output. The PM400 Plus unfolds to 980 × 2545 mm, offering a similarly large capture area but with a different orientation that may suit certain layouts or storage preferences.

Operating temperature ranges are clearly defined for both models, with the Pro rated from -10°C to +65°C and the Plus extending to +70°C. These figures provide useful boundaries for expectation setting and long term planning. Rather than assuming ideal conditions, buyers can factor real world temperature variation into their decision.

Choosing between these two panels is less about which is better and more about which aligns more cleanly with an existing or planned system. The clarity of the specifications supports that decision process, reducing the risk of mismatched components and post purchase adjustments.

What To Expect From It

In use, both the PM400 Pro and PM400 Plus are defined by their scale and stability. Once deployed, their large unfolded dimensions allow them to capture substantial sunlight, translating that exposure into electrical output within their stated parameters. The monocrystalline cell construction supports consistent energy generation across changing light conditions, while the ETFE surface is designed to withstand repeated handling.

The PM400 Pro’s higher voltage profile tends to feel composed and steady, particularly in systems designed around higher voltage input. Its uniform thickness and rigid feel reflect a panel intended to stay planted once positioned. The weight reinforces this sense of permanence, making it well suited for scenarios where the panel is moved deliberately rather than frequently.

The PM400 Plus offers a slightly different ownership experience. Its folded dimensions of 980 × 683 × 55 mm make storage more compact relative to its output class. This can be useful when space efficiency matters as much as generation capacity. Its electrical behavior remains predictable, with clearly defined voltage and current figures that support system planning.

Both panels benefit from clearly stated efficiency figures, which help frame realistic expectations. Rather than chasing theoretical maximums, they present documented performance that users can plan around. This approach supports confidence in daily use, where consistency matters more than peak claims.

Over time, ownership is shaped by understanding the panel’s role within a broader energy setup. These panels are designed to be primary contributors rather than supplemental add ons. Thinking about available space, system input limits, and handling preferences will help determine which model feels more natural in long term use.

Technical Specifications

PM400 Pro

  • Model Name: PM 400 Pro
  • Max Power (Ppm): 400W ±5%
  • Max Power Current (Imp): 11.1A ±5%
  • Max Power Voltage (Vm): 36V ±5%
  • Open Circuit Voltage (Voc): 43.2V ±5%
  • Short Circuit Current (Isc): 13.9A ±5%
  • Cell Lamination: ETFE
  • Cell Type: Monocrystalline Silicon
  • Transformation Efficiency: ≥23%
  • Operating Temperature: -10°C to +65°C
  • Item Weight: 22.10 kg
  • Dimensions (Unfolded): 2554 × 959 × 21 mm
  • Dimensions (Folded): 2554 × 959 × 21 mm

PM400 Plus

  • Model Name: PM 400 Plus
  • Max Power (Ppm): 400W ±5%
  • Max Power Current (Imp): 11.7A ±5%
  • Max Power Voltage (Vm): 34.2V ±5%
  • Open Circuit Voltage (Voc): 41V ±5%
  • Short Circuit Current (Isc): 12.3A ±5%
  • Cell Lamination: ETFE
  • Cell Type: Monocrystalline Silicon
  • Transformation Efficiency: ≥22.7%
  • Operating Temperature: -10°C to +70°C
  • Dimensions (Unfolded): 980 × 2545 × 5 mm
  • Dimensions (Folded): 980 × 683 × 55 mm

Key Specs

  • Panel Wattage: 400W
  • Cell Type: Monocrystalline Silicon
  • Efficiency: Lower than or equal to 23%
  • Warranty: 1-year

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Most orders are processed within 1 to 2 business days. Delivery times typically range from 3 to 7 business days depending on your location, carrier scheduling, and product size.

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Oscal PM400 Solar Panel

Oscal PM400 Solar Panel

$499.99
PM400 Pro
PM400 plus