AG12 / LR43 Batteries
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AG12 / LR43
A small battery, but massive importance to performance. The VIDEX AG12 / LR43 alkaline cell is specially designed for small electronics and remotes, guaranteeing continuous power in low-drain devices.
Why VIDEX button batteries are a smart purchase:
- Pazīstama arī kā (analogi): LR43, 186, 386, V12GA.
- High price-to-quality (TCO) ratio compared to expensive premium brands.
- Excellent resistance to oxidation, protecting device contacts from rust.
- Precise dimensions ensuring a perfect and snug fit with no wobble.
Never run out of power at the worst possible moment. Buy affordably at open tools!
Q: What are the physical parameters and niche applications of the AG12 / LR43 battery?
Q: Why is the LR43 format still used in older generation glucometers and blood pressure monitor screens?
Q: Can an AG12 battery be technically replaced by the thicker AG13 (LR44)?
Q: Why are LR43 batteries chosen for large pocket watches and analog chronometer mechanisms?
Q: How does storage temperature affect the self-discharge of an AG12 (LR43) battery?
A: According to the IEC standard, the dimensions of the AG12 are 11.6 mm in diameter and 4.2 mm in thickness, making it thinner than the popular LR44 model. This 1.5V alkaline battery offers approximately 100 mAh capacity, which is a justified solution for equipment that requires a wide contact but lacks sufficient space for thicker elements.
Q: Why is the LR43 format still used in older generation glucometers and blood pressure monitor screens?
A: The glucometer test strip reading sensor and LCD screen demand flat voltage output for precise measurement. Although the capacity is lower than LR44, VIDEX LR43 batteries provide a linear 1.5V voltage at low loads (pulsed), preventing the screen from fading out at crucial moments.
Q: Can an AG12 battery be technically replaced by the thicker AG13 (LR44)?
A: No, the thickness difference (4.2 mm versus 5.4 mm) is critical in precision microelectronics. Attempting to squeeze a thicker LR44 battery into a socket designed for an AG12 can irreversibly deform the copper contact bridges or break out the plastic cap's thread mechanism.
Q: Why are LR43 batteries chosen for large pocket watches and analog chronometer mechanisms?
A: More massive quartz mechanisms with additional backlight or alarm functions demand greater current output (mA) than small watch elements can provide. The AG12 / LR43 alkaline battery is capable of powering mechanical stepper motors while maintaining a parallel load for the acoustic piezo speaker.
Q: How does storage temperature affect the self-discharge of an AG12 (LR43) battery?
A: The optimal storage environment for alkaline elements is a dry place at a temperature of 15-20°C. If batteries are exposed to heat (above 30°C), internal chemical reactions accelerate, increasing self-discharge by 5-10% per year, whereas under proper conditions the LR43 retains energy throughout its 3-year guaranteed shelf cycle.
