TP4056 Micro USB 5V 1A Lithium Battery Charger Board is a complete constant-current / constant voltage linear charger for single cell lithium-ion batteries. It's SOP package and low external component count make the TP4056 ideally suitable for portable applications. TP4056 module features a widely available micro USB connector and with a led indicator for state detection.

TP4056 Module Specifications:

• Input voltage : 4.5V ~ 5.5V
• A full charge voltage: 4.2V
• Power: 4.2 w
• Charging accuracy: 1.5%
• Charging indicator: micro LED
• Input Interface: Micro USB port
• Charging method: linear charge
• Operating Temperature: -10 to +85^ºC