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The 4 x AA Battery Back-to-Back Holder Case Box offers an exceptionally space-efficient power solution for applications where PCB footprint and horizontal chassis space are strictly limited. Unlike traditional flat 4-slot battery holders that arrange cells side-by-side, this module utilizes a back-to-back (stacked 2x2) configuration.

The internal contacts connect the four AA battery slots in series wiring, yielding a combined nominal output voltage of $6.0\text{V DC}$ when using standard alkaline batteries ($1.5\text{V}$ per cell) or $4.8\text{V DC}$ when using rechargeable NiMH/NiCd batteries ($1.2\text{V}$ per cell). High-tension nickel-plated spring steel contacts ensure positive contact retention and low internal resistance, maintaining a constant supply under mild motion and vibration. It is widely used in compact handheld meters, toy remotes, small robotic chassis, and custom 3D-printed enclosures.

Key Features and Benefits

• Space-Saving Back-to-Back Design: Stacked $2\times 2$ cell layout cuts the horizontal length and width in half compared to flat 4-in-line battery holders.

• Series Wired Output ($6\text{V}/4.8\text{V}$): Combines 4 cells in series to provide $6\text{V}$ nominal power, ideal for driving $5\text{V}$ microcontrollers via linear regulators or direct $6\text{V}$ servo motors.

• High-Tension Nickel-Plated Springs: Ensures reliable conductivity and firm battery seating, preventing power dropouts from physical shock.

• Versatile Terminal Connectivity: Features standard $9\text{V}$ battery snap clips or solder lugs for fast integration via standard $9\text{V}$ battery cable clips.

• Durable Polypropylene Body: Tough, lightweight plastic housing resists mechanical wear and chemical damage from battery leakage.

Technical Specifications

Voltage Output Summary Guide

• Alkaline Batteries ($4\times 1.5\text{V}$): $6.0\text{V}$ Nominal Peak

• NiMH Rechargeable Batteries ($4\times 1.2\text{V}$): $4.8\text{V}$ Nominal Peak

POLARITY & SAFETY ADVISORY: Always observe the molded plus ($+$) and minus ($-$) polarity indicators inside both the top and bottom battery slots. Reversing battery orientation may short circuit the series loop or damage connected electronic circuits.

Applications

• Small Robotic Vehicles: Space-efficient power source for mini 2WD robot chassis, micro servos, and motor drivers.

• Handheld Instruments & Meters: Compact power pack for portable test instruments, wireless remotes, and field sensors.

• Arduino & Microcontroller Projects: Powering $5\text{V}$ development boards via low-dropout (LDO) voltage regulators.

• DIY Toys & Gadgets: Power supply for LED flashlights, portable speaker mods, and custom electronic hobby builds.

Package Includes

• 1 x 4 x AA Battery Back-to-Back Holder Case Box

Shipping & Delivery

• Free shipping on orders above ₹999 across India

• Dispatched within 1-3 business days

• Expected delivery: 3-7 business days depending on location

• Secure packaging to ensure safe transit of electronic components