Solar Panel Lipo Charger MPPT CN3791

This is a maximum power point tracking (MPPT) solar charger for single-cell LiPo batteries. This MPPT solar charger provides you with the ability to get the possible power out of your solar panel.

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This item: Solar Panel Lipo Charger MPPT CN3791
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Solar Panel Lipo Charger MPPT CN3791 lets you get the maximum power out of your solar panel or other photovoltaic device and into a rechargeable LiPo battery. Set-up is also easy: Plug your solar panel into one side of the solar charger and your battery into the other, and you can start charging!

Solar maximum power point tracking (MPPT) ensures that as the light intensity changes, photovoltaic cells output maximum power to utilize solar energy fully. Generally, a switch-mode DC-DC converter is needed to realize the MPPT function and maximise the output voltage and charging current product (output).

The output of the Solar Charger is intended to charge a single polymer lithium-ion cell. The load should be connected in parallel with the battery. Each Solar Charger has a CN3791 power-tracking battery charging circuit and pre-installed four 2-pin JST/PH2.0 connectors.

We have set the holding voltage for MPPT. So we have 3 versions of the input voltage 6V/9V/12V(for the Solar Panel working voltage 6V/9V/12V), which is very suitable for applying the input voltage, and the battery voltage difference is bigger.

Specifications:
  • Input Voltage: DC 6V,9V or 12V (select Voltage you need)
  • Charging Current: 2A
  • PWM Switching Frequency: 300KHz
  • Constant Voltage Charging Voltage: 4.2V
  • Trickle charging of deeply discharged batteries
  • Battery overvoltage protection
  • Trickle charge a deeply discharged battery.
  • Soft start function
  • Interface: 2-pin JST connectors (or PH2.0)
  • Work Temperature:-25℃~85℃
  • Work Humidity: 5%~95%RH
  • Size:45*20*9mm

Note: If the CN3791 MPPT Solar Charger is a 6V version, you must use the Solar panel working Voltage is 6V

Solar panel series and parallel calculator to easily find which common wiring configuration maximizes the power output of your solar panels. Solar Panel Series & Parallel Calculator

CN3791 Lithium Battery Charging wiring seup

How to choose a solar panel :

This table shows the solar system configuration relationship between storage batteries and solar panels

How to choose solar panel

Package includes: CN3791 6v,9v or 12v MPPT Solar Panel Regulator

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Development  Resources: Demo Codes, Schematics, Datasheets, Etc

Wiki: Solar cell panel

Wiki: MPPT

 

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Notes:

1. There may be slight size deviations due to manual measurement and different measuring methods and tools.
2. The picture may not reflect the actual colour of the item because of different Photography lights, angles, and display monitors.

 

Weight 0.015 kg
Dimensions 4.5 × 2 × 1 cm
Voltage

12v, 6v, 9v



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