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CN3791 12V MPPT Solar Charge Controller Module Price in Sri Lanka
At 1 shopRs1,550In stock at this shop
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Tronic.lk · CN3791 12V MPPT Sola
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Description
This CN3791-based module is a compact MPPT (Maximum Power Point Tracking) solar charge controller designed to charge 1S (single-cell) 3.7 V lithium-ion batteries directly from 12 V solar panels. It maximizes energy harvest under varying sunlight conditions and includes onboard protection features for safe battery management.
Specifications
- Controller IC: CN3791 (MPPT lithium charger)
- Input Voltage: 6 V to 28 V DC (12 V solar panel recommended)
- Charging Voltage: 4.2 V (fixed for 1S Li-ion)
- Charging Current: Up to 2 A (depends on panel and load)
- Battery Type: 1S 3.7 V Li-ion / Li-polymer
- Charging Algorithm: CC/CV with MPPT tracking
- MPPT Efficiency: Up to 96% (typical)
- Protection Features:
- Overvoltage
- Overcurrent
- Overtemperature
- Reverse polarity
- Status Indicators:
- Charging (red LED)
- Fully charged (green LED)
Features
- MPPT algorithm optimizes solar energy harvest under dynamic lighting
- Designed for direct solar panel input (no external regulator needed)
- Compact footprint for portable and embedded solar charging applications
- Onboard LEDs for charge status indication
- Ideal for solar-powered IoT nodes, battery banks, and outdoor sensors
- Common use cases:
- Charging 18650 cells from 12 V solar panels
- Solar-powered weather stations and garden lights
- Remote telemetry and low-power embedded system
Questions
About CN3791 12V MPPT Solar Charge Controller Module in Sri LankaWhat is the price of CN3791 12V MPPT Solar Charge Controller Module in Sri Lanka?
The price of CN3791 12V MPPT Solar Charge Controller Module in Sri Lanka is Rs 1,550 at 1 shop.
Where can I compare CN3791 12V MPPT Solar Charge Controller Module prices in Sri Lanka?
37left.lk lists CN3791 12V MPPT Solar Charge Controller Module prices from 1 shop in Sri Lanka on one page.
Is CN3791 12V MPPT Solar Charge Controller Module available in Sri Lanka?
Yes, CN3791 12V MPPT Solar Charge Controller Module is available in Sri Lanka at 1 shop.
