The essential power foundation for high-drain DIY electronics. This Dual-Slot 18650 Battery Holder organizes two standard lithium-ion cells into a single, series-wired unit. Delivering a robust nominal 7.4V, it is the reliable choice for hobbyists and engineers looking for a stable, high-capacity energy source for motorized systems and portable digital prototypes.
High-Voltage 7.4V Output: Wired in series to provide a nominal 7.4V (up to 8.4V fully charged), perfectly suited for 7.4V servos, motors, and high-power LED drivers.
Industrial-Grade Tension Springs: Features heavy-duty nickel-plated steel springs to ensure a constant, low-resistance connection even in mobile or high-vibration applications.
Reinforced Safety Housing: Manufactured from high-impact, flame-retardant ABS plastic to safely manage the thermal characteristics of lithium-based cells.
Optimized Side-by-Side Design: Precision-molded to keep two cells aligned perfectly, offering a high-capacity power source with a balanced footprint.
Medium-Scale Robotics: The go-to power source for 7.4V robotic chassis, mechanical arms, and Bluetooth-controlled vehicles.
High-Intensity Portable Lighting: Easily power high-brightness LED strips for outdoor equipment, professional photography rigs, or emergency lighting.
DIY Power Banks & UPS: A rugged foundation for building your own 8.4V backup power systems for networking gear or field testing tools.
Custom Battery Packs: An ideal component for creating specialized 7.4V battery assemblies for RC vehicles or specialized industrial gadgets.
Dual-Cell Series Capacity: Securely holds two standard 18650 Li-ion cells (Flat top or Button top).
Pre-Installed Lead Wires: Comes with ~150mm of color-coded 26AWG wire (Red for +, Black for -) for immediate connection to your circuit.
Matte Black Finish: Provides a professional, rugged look for both internal and exposed electronic assemblies.
Integrated Mounting Holes: Features pre-drilled points in the base for secure attachment to any project chassis or enclosure.
Product Type: 2-Slot 18650 Battery Holder
Included: 1x 2-Slot 18650 Battery Holder with Wire Leads
Will this fit protected 18650 cells? This holder is optimized for standard 65mm flat-top cells. While protected cells (which are ~68-70mm) may fit, the tension will be very high and could potentially damage the springs or the battery's protective casing over time.
How do I mount it? The base features pre-drilled holes for small screws. For lightweight projects, heavy-duty double-sided mounting tape or industrial velcro is also an excellent choice for keeping it secure inside your project box.
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