Description: The 18650 power bank module converts 3.7V battery power to a stable 5V output capable of delivering up to 2A current. It is designed for creating portable power banks or charging modules using one or more 18650 lithium-ion batteries. This module ensures efficient power conversion with built-in protection features, making it ideal for charging USB devices such as smartphones, tablets, and other gadgets.

Converts 3.7V to 5V Output Current: Up to 2A Supports single or multiple 18650 lithium-ion batteries Built-in protection circuitry (overcharge, over-discharge, over-current, short circuit) Compact and portable design Technical Specifications: Input Voltage: 3.7V (from 1 to 4 series 18650 lithium-ion batteries) Output Voltage: 5V DC Output Current: Up to 2A Efficiency: Up to 90% Charging Indicator: LED indicator USB Output: Standard USB Type-A port Protection: Overcharge, over-discharge, over-current, short circuit protection Dimensions: Compact module size for easy integration Applications: DIY power banks Portable USB chargers Mobile devices charging modules Emergency power supplies Electronic projects requiring portable power