DFRobot Solar LiPo Charger 3.7V - 500mA Max, 33x33mm Module
DFRobot Solar LiPo Charger 3.7V - 500mA Max, 33x33mm Module - Image 2
DFRobot Solar LiPo Charger 3.7V - 500mA Max, 33x33mm Module - Image 3
SKU: SENS-2948
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DFRobot Solar LiPo Charger 3.7V - 500mA Max, 33x33mm Module

₹509.00 (Inclusive of all taxes)
Out of Stock

The DFRobot Solar LiPo Charger is a compact, intelligent charging module designed for 3.7V lithium polymer batteries, featuring a 500mA maximum charge current and solar panel input. It integrates seamlessly with Arduino, Raspberry Pi, and other embedded systems for building standalone solar-powered applications.

Features

  • Intelligent solar charging for single-cell 3.7V LiPo batteries.
  • Maximum charging current of 500mA, dependent on solar panel supply.
  • Input reverse polarity protection for enhanced system safety.
  • Clear multi-state LED charging indicator (flashing red, solid red, green).
  • Compact 33mm x 33mm footprint for easy integration into portable projects.

Out of stock

Description

This solar LiPo charger module provides a dedicated power management solution for off-grid and green energy projects. It intelligently manages the charging cycle for a single 3.7V lithium polymer battery using power harvested from a connected solar panel, with an operational range from -40°C to +85°C.

The module includes essential protection features such as input reverse polarity protection to safeguard your system. Its simple connection and status LED (indicating no battery, charging, and charge complete) make it an ideal choice for building standalone embedded applications, sensor nodes, or monitoring devices that require autonomous, renewable power.

Key Features

  • Solar-Powered Charging: Efficiently charges a 3.7V LiPo battery directly from a 4.4V to 6V solar panel input.
  • Intelligent Charge Management: Provides controlled charging up to a maximum of 500mA to protect battery health.
  • Comprehensive Status Indication: Three-state LED indicates system status: flashing red (no battery), solid red (charging), and solid green (charge complete).
  • Robust Protection: Integrated input reverse polarity protection prevents damage from incorrect wiring.
  • Wide Temperature Operation: Functions reliably in extreme environments from -40°C to +85°C.
  • Compact & High-Value Build: Small 33x33mm form factor with an optimized performance-to-cost ratio for embedded designs.

Applications

  • Standalone solar-powered sensor nodes for environmental monitoring.
  • Off-grid embedded systems and IoT devices using renewable energy.
  • Portable data loggers and field measurement equipment requiring autonomous battery charging.
  • Educational projects demonstrating green energy principles and power management.
  • Backup power systems for remote communication or monitoring stations.

Technical Specifications

Manufacturer Part NumberN/A
BrandDFRobot
Input Voltage Range4.4V to 6V (Solar Panel)
Battery CompatibilitySingle-Cell 3.7V Lithium Polymer (LiPo)
Maximum Charging Current500 mA
Operating Temperature-40°C to +85°C
Dimensions (L x W)33 mm x 33 mm
Status Indicator3-State LED (Red/Green)
Key ProtectionInput Reverse Polarity Protection

Frequently Asked Questions

What is the input voltage range for the solar panel connected to this charger?

The charger module accepts a solar panel input voltage between 4.4V and 6V. It is specifically designed to operate within this range to safely and efficiently charge a 3.7V LiPo battery. Exceeding 6V may damage the module.

How do I interpret the LED status indicator on the charger?

The module uses a single bi-color LED for status indication. A flashing red light means no battery is detected or connected incorrectly. A solid red light indicates the battery is currently charging. A solid green light signals that charging is complete and the battery is fully charged.

What is the maximum charging current, and can I use it with any 3.7V LiPo battery?

The maximum charging current is 500mA. However, the actual current delivered depends on the output capability of your connected solar panel. It is crucial to ensure your specific LiPo battery can safely accept this charge current; always check the battery's maximum permissible charging current specification before use.

Does this module offer any protection against incorrect wiring?

Yes, the module includes input reverse polarity protection. This feature safeguards the charger and your system from potential damage if the solar panel's positive and negative wires are accidentally reversed during connection.

Package Includes

  • 1 x DFRobot Solar LiPo Charger Module (3.7V)

Additional Information

Weight 0.015 kg
Dimensions 3.3 × 3.3 cm

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