Overview
The 4-Slot 18650 Battery Holder is engineered for high-voltage and high-capacity applications. By housing four 18650 Lithium-Ion cells in series, it provides a powerful DC source that can easily drive 12V systems, heavy-duty DC motors, and high-wattage LED arrays. This holder is the foundation of many DIY portable power packs and is a staple for engineering students working on autonomous rovers or off-grid IoT stations.
Key Features
High Voltage Output: Pre-wired in series to deliver a nominal 14.8V (up to 16.8V fully charged), making it an excellent alternative to bulky Lead-Acid batteries.
Industrial Strength ABS: Built to withstand the heat and stress of high-current draw without melting or warping.
Stable Connection: Features reinforced nickel-plated springs to ensure low-resistance contact and prevent battery disconnection during movement.
Long Lead Wires: Comes with ~15cm of flexible, pre-tinned black and red wire for easy integration into your circuit.
Technical Specifications
| Feature | Specification |
| Battery Type | 18650 Lithium-Ion |
| Number of Slots | 4 |
| Output Voltage | ~14.8V (Nominal) / ~16.8V (Max) |
| Material | Hard ABS Plastic (Black) |
| Connection Type | Series (Can be modified to Parallel) |
| Wire Type | 24AWG – 150mm Length |
| Dimensions | 76mm x 80mm x 19mm |
Why 4 Cells?
12V Compatibility: Most industrial components and motor drivers (like the L298N) perform best at 12V+. This holder provides that overhead comfortably.
Efficiency: Higher voltage often allows for more efficient power conversion when stepping down to 5V for your microcontrollers.
Endurance: Using four high-capacity cells (like 3000mAh) gives you a substantial energy reservoir for long-duration projects.
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