Universal Single Slot 18650 Smart Battery Charger – USB Powered with LED Voltage Indicator

Keep your essential power cells ready for action with the Universal Single Slot 18650 Smart Battery Charger. Whether you are powering high-drain flashlights, assembling custom robotics, or building your next ESP32 drone project, this charger ensures your batteries are topped up safely. It features a clear, real-time LED panel that displays the current charging voltage (1.5V, 3.6V, 3.7V, 4.2V), giving you complete control and visibility over the charging process.

Key Specifications:

• Capacity: Single Slot

• Primary Compatibility: 18650 Lithium-ion batteries

• Display: LED Voltage Level Indicators (1.5V, 3.6V, 3.7V, 4.2V)

• Power Connection: Micro-USB (Standard USB to Micro-USB cable included)

• Design: Compact, lightweight, and heavily ventilated for heat dissipation

Ideal Applications:

• Recharging 18650 batteries for ESP32, Arduino, and custom DIY electronics

• Power sources for custom-built drones and robotics

• High-power tactical flashlights and headlamps

• Portable electronic devices requiring reliable lithium-ion power