SW608 3A Fast Charging Power Bank Module

Key Features
Integrated SW608 IC – Highly integrated power-management chip with synchronous boost and switching charger
Dual USB-A Outputs – Two standard USB Type-A ports for simultaneous charging of phones, tablets, or other USB devices
Micro-USB Input – Convenient charging port for the battery
High Performance
Output: up to 5 V / 3 A (total) with high conversion efficiency (boost up to ~95 %)
Charging: switching charger up to 2.5 A, efficiency up to 96 %
Supports common battery voltages: 4.2 V / 4.24 V / 4.35 V / 4.4 V
Smart Functions
Automatic load detection & light-load power-saving mode
USB adaptive recognition (BC1.2, Apple, Samsung high-current modes)
Battery voltage-drop compensation for stable output
Safety Protections
Input over-voltage / over-current
Output short-circuit protection
Charge timeout, over-voltage & over-current protection
Battery temperature protection
Thermal regulation (reduces power then shuts down if chip temperature exceeds ~140 °C)
Compact Size – Only 17 mm × 49 mm, ideal for slim power-bank cases or custom enclosures
Battery connection pads clearly marked B+ / B–
Typical Applications
DIY dual-USB power banks
Portable battery packs using 18650 or LiPo cells
Custom battery-powered projects requiring stable 5 V output