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1-Cell 18650 Battery Holder Case Black Plastic Storage Box for DIY Electronics

Component	Specification
Battery Compatibility	1 x 18650 Li-ion Cell (3.7V)
Material	High-Quality ABS Hard Plastic
Output Voltage	3.7V (Nominal) / 4.2V (Full Charge)
Connection Type	Parallel/Individual (Single Slot)
Connector	Pre-soldered Red/Black Lead Wires
Mounting	Flat Base with Screw Holes

Price

🚚 Ships within 24 Hours
📦 Pan India Delivery

₹ 12.71

(Tax included)

Barcode: 601001068

Product Description The 1-Slot 18650 Battery Holder is a compact and durable housing designed for a single 3.7V lithium-ion cell. This holder is a fundamental building block for portable projects requiring a slim power profile. Whether you are building a handheld sensor, a small IoT node, or a single-cell power bank, this case provides a secure mechanical fit and reliable electrical contact. The open-top design allows for rapid battery swapping and ensures the cell stays cool during high-drain operations.

Key Features

Slim Profile: Occupies minimal space, making it perfect for compact 3D-printed enclosures.
Plug-and-Play Leads: Features ~15cm of pre-stripped, color-coded wires (Red for Positive, Black for Negative).
High-Tension Springs: Nickel-plated steel springs ensure a firm connection even under vibration.
Versatile Mounting: Includes integrated mounting holes for M3 screws or can be easily attached with double-sided tape.
Industrial Grade Plastic: Made from heat-resistant ABS to ensure durability in various environmental conditions.

Technical Details

Total Dimensions: Approx. 76 x 21 x 18 mm
Wire Length: ~150 mm
Wire Gauge: 26 AWG
Spring Material: Nickel-plated steel
Color: Industrial Black
Weight: Approx. 8g (without battery)

Prototyping and Engineering Tips from Robogears

Voltage Regulation: A single 18650 cell provides 3.7V nominal. If you are powering a 5V device (like an Arduino Uno or a Raspberry Pi), you will need a Boost Converter (Step-Up) to reach a stable 5V output.
Charging Integration: This holder pairs perfectly with the TP4056 Lithium Charging Module. Simply connect the Red/Black leads to the B+ and B- terminals of the module to create a USB-rechargeable system.
Protection Circuitry: If using an unprotected 18650 cell, ensure your circuit has a low-voltage cutoff to prevent the battery from discharging below 2.7V, which can cause permanent damage.
Direct PCB Soldering: For a cleaner look, you can trim the leads and solder them directly to your PCB. Ensure you apply a small amount of strain relief (like a drop of hot glue) where the wires meet the holder to prevent fatigue over time.

Package Includes

1 x 1-Slot 18650 Battery Holder with Leads

Disclaimer Images are for reference; actual wire gauge or plastic texture may vary slightly by batch. Specifications subject to change by manufacturer. Do not short-circuit the output leads. Battery not included.