2 chamber 18650 Battery Holder / 2s Battery case

2-Chamber 18650 Battery Holder – Durable Case for Lithium Battery Projects (Series/Parallel Use)

This 2-slot 18650 battery holder is designed to securely hold and connect two 3.7V 18650 lithium-ion batteries for use in DIY electronics, IoT systems, and robotics. It features spring-loaded terminals for easy battery insertion and pre-soldered wires for quick integration into your circuit.

The holder can be used to connect batteries in series (7.4V) or parallel (3.7V with double capacity) depending on wiring configuration, making it perfect for custom power banks, motor drivers, Arduino/ESP32 projects, and more.

Key Features:

• Supports 2 x 18650 Li-ion batteries (3.7V each)

• Durable plastic body with secure spring contacts

• Wire leads for easy connection to PCBs or modules

• Can be wired in series (7.4V) or parallel (3.7V)

• Compact, lightweight, and reusable

• Ideal for portable and rechargeable applications

Applications:

• Power supply for Arduino, ESP32, NodeMCU boards

• DIY power banks and battery backup systems

• Robotics and motor driver projects

• IoT sensors and edge devices

• Educational and prototyping use in Bangladesh