The 3S 18650 Li-ion Battery Holder Case is designed to house three 18650 Li-ion batteries (3.7V each) and connect them in series, providing a combined output of approximately 11.1V. This durable and compact battery holder is perfect for applications requiring a higher voltage supply such as motor drivers, RC vehicles, Arduino robotics, ESP32-based IoT systems, and custom power banks.
Crafted from durable ABS plastic and fitted with spring-loaded metal terminals, it ensures a tight grip and reliable connection. The pre-attached red and black wires make it easy to integrate into your project or circuit without soldering directly to the battery.
Whether you’re prototyping, powering a mobile robot, or building an IoT device, this 3S 18650 battery holder is a cost-effective, reusable, and safe solution.
⭐ Key Features:
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🔋 Holds 3 × 18650 Li-ion Batteries (3.7V each)
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⚡ Series connection for 11.1V total output
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🧱 Sturdy ABS plastic construction with secure metal springs
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🔌 Pre-attached red & black wires for easy connection
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✅ Perfect for Arduino, ESP32, Raspberry Pi, motor drivers, robots
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♻️ Reusable and suitable for battery swapping/recharging
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🔧 Lightweight and compact design for easy mounting
⚙️ Technical Specifications:
| Parameter | Details |
|---|---|
| Product Type | Battery Holder |
| Battery Compatibility | 3 × 18650 Li-ion Batteries (3.7V each) |
| Output Configuration | Series (approx. 11.1V total) |
| Output Type | Wire Leads (Red & Black) |
| Material | ABS Plastic + Metal Springs |
| Wire Length | ~15–20 cm |
| Dimensions | ~78mm × 58mm × 19mm (approx.) |
| Application | Arduino, ESP32, Robotics, Power Supply, DIY |
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