AG1 / LR621 Batteries
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AG1 / LR621
Device ran out of power and you specifically need an AG1 / LR621 battery? This small Alkaline button cell is perfectly suited for miniature watches, ensuring reliable daily operation.
Advantages of VIDEX flat batteries:
- Pazīstama arī kā (analogi): LR621, 364, SR621SW.
- Stable 1.5V voltage output throughout its lifespan.
- "Anti-leak" protection guarantees that acid won't leak and damage your delicate equipment.
- Secure blister packaging to prevent accidental swallowing (crucial for homes with kids).
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Q: What is the specification of the AG1 / LR621 battery and its primary niche in miniature electronics?
Q: Why are AG1 (LR621) batteries irreplaceable in discrete (In-Ear) microphone amplifiers?
Q: Why do small-sized women's watches with an AG1 (LR621) battery stop more frequently than large watches?
Q: Is it allowed to heat an AG1 (LR621) alkaline battery if it has lost voltage in a watch?
Q: How to properly and safely open the packaging and insert the small AG1 battery?
A: The AG1 (known as 364A) is one of the smallest commercially available batteries, with a diameter of 6.8 mm and a thickness of only 2.15 mm, generating around 13 mAh capacity. This extremely miniature format is critically required in the smallest analog women's quartz watches and discrete hearing aids.
Q: Why are AG1 (LR621) batteries irreplaceable in discrete (In-Ear) microphone amplifiers?
A: To hide the microphone capsule in the ear canal, the device size must be minimal, so the battery diameter must not exceed 6.8 mm. VIDEX LR621 alkaline elements provide sufficient current to the sound amplifier's transistors during a daily load cycle without extra weight (the element weighs less than 0.3 grams).
Q: Why do small-sized women's watches with an AG1 (LR621) battery stop more frequently than large watches?
A: The laws of physics dictate – the smaller the volume, the less electrochemical capacity (only 13 mAh). Although stepper motors are optimized for micro-consumption, this amount of energy provides autonomy for an average of 6 to 12 months, as opposed to the 3-year cycle of large men's watches (with a larger battery).
Q: Is it allowed to heat an AG1 (LR621) alkaline battery if it has lost voltage in a watch?
A: Heating or burning any size coin cell battery is strictly forbidden – it not only fails to restore capacity but can cause a thermal explosion. As the temperature rises rapidly, internal potassium hydroxide evaporates, overpressures the cap's insulation ring, and can eject hot corrosive alkali.
Q: How to properly and safely open the packaging and insert the small AG1 battery?
A: The 6.8 mm x 2.15 mm element is so delicate that strong pressing with metal tools can dent the center of the negative pole and cause an internal short circuit. After removal from the blister, the battery should be gently slid into the socket from the side, never pressing its center against the sharp contact edges of the device.
