• Input Voltage: The module is designed to work with a wide range of input voltages, typically within the 3.7V to 4.2V range, which is commonly associated with lithium-ion or lithium-polymer batteries.
• Output Voltage: It boosts the input voltage to a stable 5V output, suitable for charging various USB-powered devices such as smartphones, tablets, or other gadgets.
• Output Current: This module provides an output current of 1A (ampere), making it suitable for charging most standard devices. The current output is regulated to ensure safe and consistent charging.
• Step-Up Conversion: The module uses a step-up (boost) voltage conversion circuit to increase the input voltage to the desired 5V level. This is crucial for maintaining a stable charging voltage regardless of the state of the input battery.
• Charging Function: It is equipped with a built-in charging function, allowing you to recharge the connected lithium battery when an external power source is provided. This is especially useful for keeping the power bank charged and ready for use.
• Protection Features: Many of these modules include protection features like overcharge protection, over-discharge protection, short-circuit protection, and overcurrent protection to ensure the safety of both the module and the connected devices.
• Indicator LEDs: Some modules come with indicator LEDs to show the status of charging and discharging. These LEDs help users monitor the power bank’s operational status.
• Compact Size: The module is typically designed to be small and compact, making it suitable for integration into various DIY power bank projects. It often includes connection points for easy attachment to the lithium battery, and USB ports for connecting devices.
• Customization: DIY enthusiasts can integrate this module into their own power bank projects, allowing for customization of the power bank’s size, capacity, and external casing.
• Customization: DIY enthusiasts can integrate this module into their own power bank projects, allowing for customization of the power bank’s size, capacity, and external casing.

Package Include:

1X5V 1A Power Bank Charger Step Up Boost Charging Circuit Module Lithium Battery DIY Power Bank Module