18650 Battery Holder Case (2-Cell with Wires – Series Connection)
18650 Battery Holder Case (2-Cell with Wires – Series Connection)
The 2-Cell 18650 Battery Holder Case is designed to hold two 3.7V 18650 lithium-ion cells securely and provide a total output of approximately 7.4V (in series connection). It’s ideal for powering Arduino projects, robotic systems, DIY gadgets, and portable electronic devices.
🔹 Key Features:
Type: Dual 18650 battery holder (2S configuration)
Material: Durable ABS plastic
Output Voltage: 7.4V (3.7V × 2 cells in series)
Wire Leads: Pre-soldered red (+) and black (–) wires for easy connection
Contacts: Nickel-plated steel springs for strong and stable contact
Wire Length: Approx. 15–20 cm
Compact Design: Lightweight and easy to mount
🔹 Working Principle:
This holder connects two 18650 lithium-ion cells in series, combining their voltage (adds up to ~7.4V) while keeping the same current capacity. The output can directly power small motors, microcontrollers, or be used with voltage regulators for stable operation.
🔹 Applications:
DIY electronics and Arduino-based projects
Robotics and automation systems
Battery-powered IoT devices
Portable tools and LED lighting systems
Small drones and RC projects
🔹 Note:
Batteries not included — for illustration purposes only.
Always ensure correct polarity when inserting batteries.
Do not short-circuit or overcharge the batteries.
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