A dual-slot 18650 battery holder with built-in charging and regulated power outputs, perfect for powering microcontrollers, sensors, and portable electronics projects. Simply install two 18650 lithium batteries and use the multiple 5V and 3.3V output ports to run your devices.

The holder features both Micro-USB and USB-C charging inputs, overcharge and over-discharge protection to extend battery lifespan, and a DIP switch to select between Normal and Hold output modes.

Key Features

• Dual 18650 Battery Slots – Install two 18650 lithium cells for extended runtime
• Dual Charging Input – Micro-USB and USB-C inputs for flexible charging
• Multiple Outputs – 5× 5V/2A ports, 5× 3.3V/1A ports, and 1× USB output
• Battery Protection – Built-in overcharge and over-discharge protection
• Output Mode Switch – DIP switch for Normal (auto-shutdown at low current) or Hold (continuous output) modes
• LED Indicator – Blinks while charging, stops blinking when fully charged

Specifications

• 5V Output: 2A (maximum 3A)
• 3.3V Output: 1A
• Charging Input: Micro-USB and USB-C
• Output Ports: 5× 5V, 5× 3.3V, 1× USB
• Protection: Overcharge and over-discharge
• Battery Type: 18650 lithium (not included)

Ideal For

• Portable power for Arduino, Raspberry Pi, and microcontroller projects
• Outdoor equipment and field data logging
• DIY smart vehicles and robotics
• Mobile sensor stations and IoT devices

Package Contents

• 1× 2-Way 18650 Battery Holder