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Solar Lipo Charger DFRobot (3.7V) - DFR0264

The Solar LiPo Charger 3.7V is a compact charging module designed specifically for single cell 3.7V lithium batteries. It uses the CN3083 charging IC to provide intelligent charging from solar panels or other DC sources. This module makes it easy to build small solar powered systems by safely charging lithium batteries using renewable energy.

Package Includes

  • 1 x Solar LiPo Charger Module 3.7V
Solar Charger
51.45 AED 51.45 AED (Tax included)

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The charger supports an input voltage range suitable for small solar panels and provides a maximum charging current of up to 500mA depending on the available solar power. Built in reverse polarity protection protects the circuit from incorrect connections and improves system reliability.

This module also includes LED status indicators that clearly show the charging state of the battery. The red LED indicates charging activity while the green LED shows when the battery is fully charged. The design is simple and easy to integrate, making it ideal for solar powered electronics, portable chargers, IoT devices, and educational renewable energy projects.

Features

  • Designed for single cell 3.7V lithium batteries
  • Uses CN3083 intelligent solar charging controller
  • Maximum charging current up to 500mA
  • Input reverse polarity protection
  • Supports solar panel power input
  • Simple connection and easy integration
  • LED indicators for charging status
  • Reliable and efficient battery charging
  • Compact module design

Specifications

  • Charging Controller IC: CN3083
  • Input Voltage Range: 4.4V to 6V
  • Maximum Charging Current: 500mA
  • Charging Cutoff Voltage: 4.2V
  • Operating Temperature: -40C to 85C
  • Compatible Battery: 3.7V Lithium Battery
  • Module Size: 33mm x 33mm x 12mm

Pinout

Solar Charger Pinout

Solar Charger Schematic

Pin Description
PWR IN Power input from solar panel or DC source (4.4V to 6V)
BAT Connection for 3.7V lithium battery
VOUT Output voltage from the lithium battery

Charging Indicators

Status LED Indication
No Battery Connected Green LED ON, Red LED Flashing
Battery Charging Red LED ON
Charging Complete Green LED ON

Applications

  • Portable solar chargers
  • Solar powered lighting systems
  • Solar powered IoT devices
  • Remote monitoring systems
  • Solar powered sensors
  • Environmental monitoring equipment
  • Educational solar energy projects
  • Off grid solar power systems
  • Solar powered prototypes

Example Solar Charging System

Typical system components used with this module:

  • 5V Solar Panel
  • Solar LiPo Charger Module
  • 3.7V Lithium Polymer Battery
  • Load or electronic device powered from the battery

  Solar Charger Circuit

Technical Details

  • Input Voltage: 4.4V to 6V
  • Charging Current: Up to 500mA depending on solar panel capability
  • Charging Cutoff Voltage: 4.2V
  • Operating Temperature: -40C to 85C
  • Module Size: 33mm x 33mm x 12mm
  • Compatible Battery Type: Single cell 3.7V lithium battery

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