A Battery Eliminator is a lab power supply device that replaces traditional batteries by providing a stable DC voltage output for use in physics, electronics, and electrical experiments. It is essential for experiments requiring a constant, regulated power source.
Input Voltage: 220V AC (standard Indian supply)
Output Voltage: Multiple DC outputs like 2V, 4V, 6V, 8V, 12V (switch selectable)
Current Rating: Typically 1–5 Amps depending on the model
Terminals: Clearly marked banana/binding posts for secure connections
Protection: Built-in fuse and overload protection
Casing: Sturdy metal or ABS body with ventilation for heat dissipation
Replaces dry cells or batteries in Ohm’s Law, resistance, and circuit experiments
Used in CBSE/ICSE/State board practicals, B.Sc., and engineering labs
Suitable for powering galvanometers, voltmeters, ammeters, and resistance coils
Enables continuous, uninterrupted experiments without battery drainage
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