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.Key Features:Converts 3.7V to 5VOutput Current: Up to 2ASupports single or multiple 18650 lithium-ion batteriesBuilt-in protection circuitry (overcharge, over-discharge, over-current, short circuit)Compact and portable designTechnical Specifications:Input Voltage: 3.7V (from 1 to 4 series 18650 lithium-ion batteries)Output Voltage: 5V DCOutput Current: Up to 2AEfficiency: Up to 90%Charging Indicator: LED indicatorUSB Output: Standard USB Type-A portProtection: Overcharge, over-discharge, over-current, short circuit protectionDimensions: Compact module size for easy integrationApplications:DIY power banksPortable USB chargersMobile devices charging modulesEmergency power suppliesElectronic projects requiring portable power
