A single-slot 18650 battery holder with built-in charging, overcharge/over-discharge protection, and multiple power outputs. Charge via micro-USB and power your projects from the onboard USB port, three 5 V output ports, or three 3.3 V output ports. A power switch controls the output, and LED indicators show charging status.

Key Features

• Battery Slot – 1× 18650 (not included)
• Charging Input – Micro-USB
• 5 V Output – 1× USB port (5 V / 2 A) + 3× pin header ports (5 V / 2 A)
• 3.3 V Output – 3× pin header ports (3.3 V / 1 A)
• Max Output Current – 3 A (2 A recommended)
• Protection – Overcharge and over-discharge
• Power Switch – Controls output on/off
• LED Indicators – Red (charging), green (fully charged)

Ideal For

• Portable power for microcontrollers and small devices
• Outdoor equipment and DIY smart vehicles
• Projects needing both 5 V and 3.3 V power rails

Package Contents

• 1× 1-Way 18650 battery holder module