The 2S 18650 Li-ion Battery Holder Case is designed to hold two 3.7V 18650 Lithium-ion batteries in series connection, providing a total output of approximately 7.4V. This compact and easy-to-use battery case is perfect for embedded systems, Arduino/ESP32/ESP8266 projects, robotics, sensor-based applications, and DIY power supply setups.
Made of high-quality ABS plastic and equipped with spring-loaded metal contacts, it ensures a secure and stable connection. The case is lightweight, portable, and allows easy installation and replacement of batteries.
This 2S battery holder is perfect for projects requiring higher voltage than a single 18650 cell, making it a reliable power source for motors, wireless modules, and other electronics.
⭐ Key Features:
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🔋 Holds 2 x 18650 Li-ion batteries (3.7V each)
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⚡ Provides approx. 7.4V total output (Series connection)
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🧱 Made with strong ABS plastic & quality metal springs
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🔌 Wired terminals for simple plug-and-play connections
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🛠️ Ideal for Arduino, ESP32, Raspberry Pi, Robotics, and IoT Projects
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🔄 Easy battery insertion/removal for recharging
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🔐 Firm grip and secure connection to avoid loose contacts
⚙️ Technical Specifications:
| Parameter | Details |
|---|---|
| Product Type | Battery Holder Case |
| Battery Compatibility | 2 × 18650 Li-ion (3.7V) |
| Output Configuration | Series (7.4V nominal) |
| Output Type | Red & Black Wires |
| Material | ABS Plastic + Metal Springs |
| Wire Length | ~15–20 cm |
| Dimensions | ~77mm × 39mm × 19mm |
| Applications | Arduino, ESP32, Robotics, IoT, Prototyping |
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