3.2V LiFePO4 Battery Charger 2.4A Type-C 1Battery

1S 3.2V 2.4A Type-C LiFePO4 Battery Charger Module

The 1S 3.2V 2.4A Type-C LiFePO4 Battery Charger Module is a high-performance power management solution specifically engineered to safely charge single-cell Lithium Iron Phosphate batteries. Unlike standard Lithium-ion chargers that terminate at 4.2V, this module operates with a strict 3.6V cut-off threshold to match the chemical requirements of LiFePO4 chemistry. Capable of delivering up to 2.4A charging current with a peak efficiency of 92%, it significantly reduces charge times while preventing thermal stress. The onboard USB Type-C port provides universal compatibility with modern power adapters and power banks, making it a dependable component for DIY electronics makers and robotics developers across Bangladesh.

Integrated with intelligent state monitoring, the board features a blue breathing LED indicator that pulses slowly during active charging and remains steadily illuminated once full capacity is reached. Its ultra-compact 16 x 23 mm surface-mount design allows easy integration into tight enclosures, custom PCB layouts, and portable devices. Designed strictly for charging operations, the module ensures accurate voltage delivery without artifical voltage drift. Tech enthusiasts and engineering students sourcing parts through Biggan Project in BD can rely on this dedicated charger for stable energy management in customized battery packs, sensor nodes, and portable hardware projects.

Features

• Dedicated charging logic tailored specifically for single-cell LiFePO4 battery chemistries.
• Delivers high-current fast charging up to 2.4A to minimize downtime.
• High energy efficiency rating up to 92% minimizes power loss and heat generation.
• Modern USB Type-C input interface allows power delivery from standard chargers.
• Distinctive blue breathing status light offers clear dynamic visual feedback.
• Ultra-thin profile with a 3.2 mm thickness fits into space-restricted builds.
• Fixed 3.6V termination threshold prevents cell degradation caused by overcharging.

Applications / Use Cases

• Charging custom 3.2V LiFePO4 battery packs for standalone microcontroller projects.
• Power management systems for outdoor IoT nodes and environmental sensor units.
• Rechargeable energy setups for DIY science projects built by students in BD.
• Compact power modules for custom robotics builds distributed by Biggan Project.
• Portable lighting, emergency backup circuits, and handheld electronic instruments.

User Guide / How to Use

• Connect the power source (4.5V-5.5V) via a USB Type-C cable before attaching any battery.
• Verify that the blue LED turns on to confirm the module is receiving input power correctly.
• Connect the positive (+) terminal of your 3.2V LiFePO4 battery to the B+ pad on the module.
• Connect the negative (-) terminal of your battery to the B- pad on the module.
• Observe reverse-polarity caution, as incorrect terminal connection will damage the circuit board.
• Monitor the blue LED: a slow pulsing light indicates active charging, while a solid light indicates full charge at 3.6V.

Frequently Asked Questions (FAQs)

• Q: Can this module charge regular 3.7V 18650 Lithium-ion batteries?
  A: No. Standard Li-ion batteries require a 4.2V charge termination voltage, whereas this module stops strictly at 3.6V for LiFePO4 chemistry.
• Q: Can I charge multiple LiFePO4 batteries connected in series?
  A: No. This charger is built strictly for 1S (single cell or parallel cell) configurations with a 3.2V nominal rating.
• Q: Does this module support load output while charging or discharging?
  A: No. This board is dedicated strictly to battery charging and does not include load-sharing or discharge protection outputs.
• Q: Why does my battery voltage read slightly lower than 3.6V immediately after unplugging?
  A: Batteries with higher internal resistance naturally settle 0.01V to 0.02V below peak cut-off voltage shortly after charging ceases.

Challenges and Considerations

• Reverse-polarity protection is not included; reversing positive and negative battery wiring will destroy the onboard IC.
• Requires adequate airflow when charging at maximum 2.4A current to dissipate localized thermal buildup.
• Cannot be modified to increase termination voltage above 3.6V due to hardcoded internal reference values.

Compatibility

• Fully compatible with all single-cell 3.2V LiFePO4 (LFP) rechargeable batteries.
• Compatible with parallel battery arrangements sharing a unified 3.2V nominal line.
• Compatible with standard 5V USB power adapters, power banks, and Type-C wall chargers.
• Incompatible with Ternary Lithium, Li-Po, Li-ion, NiMH, or Lead-Acid battery chemistries.

Future Enhancement Options

• Pairing with an external low-voltage cut-off (LVD) module to provide complete charge-discharge circuit safety.
• Integrating an external digital voltmeter panel to monitor real-time charging voltage.
• Mounting a miniature heatsink on the primary controller IC for extended high-current operating cycles.

Benefits

• Extends total cycle life of LiFePO4 cells by enforcing accurate, safe charging thresholds.
• Reduces project assembly size thanks to the low-profile, ultra-compact PCB layout.
• Provides hassle-free operation via modern Type-C power input standards.
• Delivers rapid energy recovery with up to 2.4A high-current charging support.

Conclusion

The 1S 3.2V 2.4A Type-C LiFePO4 Battery Charger Module delivers efficient, fast, and precise charging for single-cell lithium iron phosphate setups. With its robust 2.4A current output, clear breathing status indicator, and universal Type-C input, it offers an ideal energy management solution for hobbyists, engineers, and DIY builders across Bangladesh.

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