MicroB USB Charging Module Compact LiIon LiPoly Battery Charger Board 5V Input with LED Indicators Adjustable Current 100mA to 500mA for DIY Electronics Projects JST Connec

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• [COMPACT & VERSATILE DESIGN] Measuring just the right size for any project, this ultra-compact charging module fits effortlessly into your DIY electronics. Its space-saving design makes it for portable devices while providing reliable charging capabilities for your LiPoly/LiIon batteries.
• [SMART CHARGING TECHNOLOGY] Experience professional-grade charging with our intelligent 3-stage process: pre-charge for depleted batteries, constant current for fast charging, and constant voltage for safe trickle charging. The module automatically manages the entire process for optimal battery health and longevity.
• [DUAL LED STATUS INDICATORS] Never your battery's status again! The bright red LED clearly shows active charging, while the green LED indicates full charge completion. These visual cues provide instant feedback so you always know your battery's charging condition at a glance.
• [FLEXIBLE CURRENT OPTIONS] Enjoy charging versatility with adjustable current settings. The default 100mA setting works perfectly for smaller batteries, while the optional 500mA mode (activated by simple soldering) delivers charging for compatible batteries and power sources.
• [SAFE & SPECIALIZED COMPATIBILITY] Designed specifically for 3.7V/4.2V LiPoly and LiIon batteries, this module ensures safe charging with built-in protection. The included JST connector provides secure battery attachment, while the Micro-B USB input offers universal 5V power compatibility.