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40W Customized Available Small Solar Panels

40W Customized Available Small Solar Panels
40W Customized Available Small Solar Panels
40W Customized Available Small Solar Panels

40W Customized Available Small Solar Panels

Durable 40W Small Mono Solar Panels, Customizable Voltage & Power, Ideal for Battery Charging and Portable Solar Energy Solutions

  • Item No :

    FG-40W

  • Power :

    40W

  • Dimension :

    680×365×25 mm

  • Min Order :

    100PCS

  • Efficiency(%) :

    18.13%

  • Weight :

    2.6kg

  • Cells Number :

    36
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40W 45W 166mm Mono Solar Panels

40W 45W

CORE PERFORMANCE FEATURES

01

High Efficiency Monocrystalline Cells

Equipped with 36 (2x18) Monocrystalline Cells measuring 166x33.2 mm, delivering reliable energy yield and up to 18.13% efficiency.

02

Ultra-Compact & Portable Design

Measuring just 680*365*25mm and weighing only 2.6kg, it is extremely adaptable for small-scale applications, DIY projects, RVs, and marine use.

03

Robust Weather Resistance

Features 3.2mm high transmission low iron tempered glass. The junction box is IP65/IP67 approved for maximum safety in diverse weather conditions.

PRODUCT SPECIFICATIONS

04

Glass & Frame

Front Glass : 3.2mm high transmission low iron, tempered glass
Frame: Anodized Aluminium Alloy

05

Cables & Connectors

Output Cables: Without cables and connector
Junction box: IP65/IP67

IDEAL APPLICATIONS

The 40W-45W series is highly versatile, providing optimal ROI for various grid-tied and off-grid solar projects:

RVs & Marine Boats
Off-Grid Cabins
Solar Street Lighting
IoT & Remote Sensors

MECHANICAL DATA

Dimensions (L×W×T) 680 x 365 x 25 mm
Cell Type 166x33.2 Mono
Number of Cells 36 (2x18)
Weight 2.6 kg
Front Glass 3.2mm high transmission
low iron, tempered glass
Frame Material Anodized Aluminium Alloy
Junction Box IP65/IP67
Output Cables Without cables and connector
Max Wind Load / Snow Load 2400Pa / 5400Pa

ELECTRICAL PARAMETERS

STC: Irradiance 1000W/m², cell temperature 25°C, AM1.5G

PARAMETER FG 40M-36 FG 45M-36
Standard Test Conditions STC STC
Peak Power (Pmax) 40W 45W
Maximum Power Voltage (Vmp) 18.62V 20.72V
Maximum Power Current (Imp) 2.15A 2.18A
Open Circuit Voltage (Voc) 23.37V 23.91V
Short Circuit Current (Isc) 2.27A 2.30A
Module Efficiency (%) 16.12% 18.13%

TEMPERATURE & MAXIMUM RATING

Maximum System Voltage (V) 1000
Maximum Series Fuse Rating (A) 10
Power Tolerance 0~+3%
Pmax Temperature Coefficients (W/°C) -0.350%
Voc Temperature Coefficients (V/°C) -0.270%
Isc Temperature Coefficients (A/°C) +0.048%
NOCT Nominal Operating Cell Temperature (°C) 45±2
Operating and Storage Temperature (°C) -40 ~ +85

PACKAGING INFORMATION

20FT Container
8 Packages / 3,360 PCS
40HQ Container
18 Packages / 8,160 PCS
01

International Standard Pallet Compatibility

Compatible with international standard logistics pallets, can be directly placed on shelves or loaded into containers without secondary palletizing.

02

Customized Professional Packaging Service

Provide customized industrial packaging solutions according to different scenario requirements.

03

Professional Transportation Protection

All packaging solutions have passed professional tests including mechanical load, transportation vibration and temperature-humidity cycle, complying with international transportation protection standards for photovoltaic products. Ensure products maintain factory quality from production to project site and reduce on-site acceptance loss rate.

Packaging Image 1 Packaging Image 2

FAQ

Q1: Is this 40W panel perfect for keeping my lawn mower, generator, or small tractor’s starting battery charged over winter?
A1:
Yes, it’s an excellent choice. Small starter batteries (e.g., 12V, 20-40Ah) need very low maintenance current – about 2-3 amps maximum. The 40W panel provides roughly 2.2 amps in full sun, making it ideal to prevent sulfation without overcharging when paired with a basic 5A or 10A PWM controller. It’s a set-and-forget winter solution.
Q2: Can I power a 5V USB device like a Raspberry Pi Zero or a small Wi-Fi IP camera directly from this panel without a battery?
A2:
Yes, but you must use a stable DC-DC converter. The panel’s output varies from 0-22V depending on sunlight, which will destroy a Raspberry Pi. We can include a sealed, potted 12V-to-5V USB converter (2.4A output) inside the junction box as a customization. Then you can plug the Pi’s USB cable directly into the panel. During clouds, the Pi may reboot – a small backup battery is better for 24/7 operation.
Q3: Can I mount this 40W panel to a chain-link fence or wire animal cage using just zip ties?
A3:
Yes, and it’s a common request for remote sensors or animal enclosure cameras. The standard aluminum frame has four pre-drilled holes (approx. 7mm diameter) that fit heavy-duty zip ties (4.8mm width) . We recommend UV-stabilized black zip ties. For chain-link fences, also add a thin rubber pad (we can include) between the frame and the fence to prevent vibration wear. This is not for hurricane zones, but fine for farm use.
Q4: How well does this panel hold up in very dusty or sandy environments like a desert research camp or construction site?
A4:
Standard glass panels handle dust fine, but sand abrasion can scratch the glass over time, reducing output by 5-15% per year in extreme cases. We offer a custom hard-coated glass (anti-reflective + anti-abrasion) that resists scratching. Also, for sandy sites, we recommend tilting the panel steeply (≥30°) so wind blows dust off, and using no plastic junction boxes (we can use a potted, metal-back junction box). Specify “desert-grade customization”.
Q5: Can I connect this panel directly to a USB power bank (like for cell phones) without any controller?
A5:
No – do not do this. Most USB power banks expect a steady 5V input. The 40W panel outputs 0-22V, which can destroy the power bank’s charging circuit. However, we can add a built-in 5V/2A USB regulator inside the junction box (low-cost customization). Then you can plug any standard USB power bank or phone directly into the panel’s weatherproof USB port. Specify “USB output” when ordering.
Q6: Can I lay this 40W panel flat on the ground to “solarize” soil (heat it to kill pests) for my garden?
A6:
You could, but that’s an unconventional and inefficient use. The panel is designed to convert sunlight to electricity, not directly to heat. For soil solarization, a simple clear plastic tarp works better. However, you could use the 40W panel to run a small 12V heating pad buried under soil – that would work. Contact us for a DIY soil heating kit design.
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