tp4056 type – C 18650 1 Cell Lithium Ion Charger

The TP4056 Type-C 18650 1 Cell Lithium Ion Charger is a complete single-cell Li-ion/LiPo charging module with battery protection. It provides safe constant current / constant voltage charging with LED status indication.

Key Features

• Type-C input for modern charging
• CC/CV charging profile for safe lithium charging
• DW01A + FS8205A protection against overcharge/overdischarge
• LED indicators for charging (red) and full (green)
• 1A default charging current
• Battery protection circuit included
• Compact module for integration

Technical Specifications

Applications

• DIY power banks
• 18650 battery charging stations
• Portable project charging
• Solar battery chargers
• UPS battery maintenance
• Lithium battery recycling projects

Important Notes

• Only charge single-cell lithium batteries (3.7V nominal, 4.2V max)
• Verify battery polarity before connection – reverse polarity will damage module
• Protection circuit requires correct wiring – follow diagram
• Charging current can be changed by replacing programming resistor
• Allow module to cool during charging
• Do not leave charging batteries unattended for extended periods