4 x AA Battery Holder with 5.5mm/2.1mm DC Barrel Jack

The 4 x AA Battery Holder with DC Jack is a staple component for makers and engineers looking to easily provide untethered power to their devices. By placing four standard AA batteries in a series configuration, this holder generates a nominal output of 6.0V (when using 1.5V alkaline cells) or a highly stable 4.8V (when using 1.2V rechargeable NiMH cells). This specific voltage range hits the "sweet spot" for driving micro servos, standard DC hobby motors, and low-dropout (LDO) voltage regulators used in custom microelectronics.

Designed for instant integration, this battery pack is pre-wired with a standard 5.5mm x 2.1mm center-positive DC barrel plug. This eliminates the need for wire stripping, soldering, or using separate screw terminals, allowing you to plug power directly into compatible development boards, motor drivers, and custom printed circuit boards in seconds.

Key Features & Functional Advantages:

• Pre-Wired DC Barrel Jack: Equipped with an industry-standard 5.5mm (outer diameter) by 2.1mm (inner diameter) barrel plug, configured as center-positive for safe, immediate plug-and-play use.

• Optimized 6V Output: Delivers the perfect voltage for driving 6V-rated mechanical components, or stepping down cleanly to 5V and 3.3V using standard buck converters and linear regulators.

• Heavy-Duty Spring Contacts: Utilizes stiff, nickel-plated steel springs that maintain constant, high-pressure contact with the battery terminals to prevent momentary power disconnects during vibration or impact.

• Durable ABS Construction: The rigid plastic housing protects the internal cells and provides a flat bottom surface, making it exceptionally easy to secure inside project enclosures using hot glue, mounting tape, or Velcro.

• Safe & Simple Prototyping: Enclosing low-voltage batteries in a dedicated holder with a shrouded connector practically eliminates the risk of accidental short-circuits on a crowded electronics workbench.

Perfect For:

• Robotics & RC Vehicles: The absolute gold standard for providing dedicated 6V power to robotic arms, hexapods, and RC chassis that rely on multiple micro servos and geared DC motors.

• Motor Driver Shields: Plugs directly into many standard motor driver boards (like the L298N when equipped with a female barrel adapter), keeping the electrically noisy motor power isolated from your sensitive microcontroller logic.

• Portable IoT Nodes: Provides a long-lasting, reliable power source for custom environmental sensors, weather stations, and data loggers operating in the field.

• Standalone Lighting Arrays: Ideal for powering custom 5V-6V LED strips, cosplay lighting, or portable emergency lamps without needing a wall adapter.

Technical Specifications:

• Battery Capacity: Holds 4 x AA (LR6) Size Batteries

• Output Voltage: 6.0V DC (1.5V Alkaline) / 4.8V DC (1.2V Rechargeable NiMH)

• Connector Type: 5.5mm (OD) x 2.1mm (ID) DC Barrel Plug

• Polarity: Center-Positive (Inner pin is positive, outer barrel is negative)

• Wire Length: Approximately 15cm (6 inches)

• Housing Material: Black ABS Plastic

• Contact Material: Nickel-Plated Steel Springs

• Configuration: Series connection

Ensure your order is placed by 2PM to guarantee next-day delivery! Our commitment to prompt service includes a 24-hour delivery system through our network of carriers, aimed at ensuring your package arrives right on schedule.

Please note, a delivery fee of €4.99 applies for orders under €50. For those in remote areas, be aware that our couriers may apply an extra surcharge. This additional fee helps cover the costs of transporting your items to harder-to-reach locations.