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3W 9V solar panel with an aluminum frame
3W 9V solar panel with aluminum frame for battery charging and DIY solar projects. Durable, efficient, and suitable for outdoor use.
The 3W 9V Solar Panel with Aluminum Frame is a durable and efficient solar power solution designed for medium-power DC applications. With a power output of 3 watts at 9 volts, this panel is ideal for charging 12V battery systems (with a charge controller), powering small electronic devices, and supporting off-grid or backup power projects.
Built with a sturdy aluminum frame, the panel offers excellent mechanical strength, corrosion resistance, and long-term outdoor durability. High-quality solar cells ensure stable energy conversion and reliable performance even in varying sunlight conditions.
This panel is widely used in solar charging systems, DIY solar projects, security systems, garden lighting, IoT installations, and educational renewable energy setups.

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-  Single row 0.1″ header for easy connection to a host system
- Power requirements: +5 VDC
- 30 mA idle
- 46-220 mA active (depending on speech parameters and output load)
- Â Communication: Asynchronous 9600 bps serial (8N1)
- Dimensions: 1.25″x1.5″x0.37″
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Text support rate is better
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 Interface operation is simpler
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5V single power supply.
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Output directly connected to the speaker, can drive 4 ohms 3W / 8 ohm 2W speakers
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Busy status output, can be connected to the microcontroller IO or indicator light, no need to be left floating.
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 Voice effect optimization
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 Module miniaturization and easy integration
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Dimension: 33*27.5mm
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With mounting holes

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