AG6 / LR921
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AG6 / LR921
A small battery, but massive importance to performance. The VIDEX AG6 / LR921 alkaline cell is specially designed for small tools and wristwatches, guaranteeing continuous power in low-drain devices.
Why VIDEX button batteries are a smart purchase:
- Pazīstama arī kā (analogi): LR921, 371, SR920SW.
- 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. Contact us to learn more!
Q: What are the physical dimensions and specific niche of the AG6 / LR921 battery?
Q: Why is the AG6 (LR921) often used in digital styluses and laser pointers instead of built-in batteries?
Q: How does an AG6 (LR921) battery behave in precision optics and miniature chronometers?
Q: Is it technically possible to replace a thin AG6 battery with the thicker AG7 (LR926)?
Q: How to prevent a short circuit when inserting AG6 batteries into a metal laser pointer cylinder?
A: The dimensions of the AG6 battery are 9.5 mm in diameter and 2.1 mm in thickness, providing approximately 30 mAh capacity. This very thin (pancake) profile combined with a 9.5 mm diameter makes it an optimal solution for devices requiring a large contact area but lacking space for battery thickness.
Q: Why is the AG6 (LR921) often used in digital styluses and laser pointers instead of built-in batteries?
A: The ergonomics of digital pens require a maximally thin housing and minimal weight so as not to cause fatigue when writing. The use of VIDEX LR921 elements allows placing batteries in a row (series connection) inside the thin pen cylinder, maintaining a 1.5V voltage at a lower mass than a single longer AAA element.
Q: How does an AG6 (LR921) battery behave in precision optics and miniature chronometers?
A: Small quartz mechanisms demand microampere current but are highly sensitive to voltage fluctuations that can cause time shifts. The alkaline AG6 element provides stable and slow discharge over the years, guaranteeing accurate second counting in chronometers.
Q: Is it technically possible to replace a thin AG6 battery with the thicker AG7 (LR926)?
A: No, the 0.5 mm thickness difference (2.1 mm versus 2.6 mm) is significant and will not allow the digital stylus or thin watch cover to close securely. Applying force when closing can deform the thread and damage the insulation seal, leading to moisture exposure.
Q: How to prevent a short circuit when inserting AG6 batteries into a metal laser pointer cylinder?
A: For most coin cell batteries, the entire metal casing is the positive (+) pole, and only the small center is the negative (-). If the metal pointer housing is not insulated on the inside (e.g., with a plastic cartridge), it will create a closed circuit between the battery edge and the spring, so when inserting multiple AG6s, their polarity direction must be strictly observed and the manufacturer's micro-film on the sides of the batteries should not be torn off.
