C / LR14 and D / LR20 Batteries
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Heavy-duty cylindrical C and D cells (LR14 8000mAh / LR20 15200mAh) with Anti-Leak protection and 1.5V voltage guarantee long-term power supply for industrial equipment.
Industrial measuring instruments, portable radios, and heavy-duty luminaires consume a significant amount of current. Heavy-duty cylindrical C/LR14 and D/LR20 cells are engineered for devices with constant and high current demand. LR14 offers 8000mAh, while LR20 provides 15200mAh capacity with a stable 1.5V discharge curve. Equipped with Anti-Leak protection and a 5-year shelf-life guarantee, these cells ensure maximum autonomy.
Technical specification and power:
- C/LR14 capacity (8000mAh): High capacity for medium and high-drain portable equipment.
- D/LR20 capacity (15200mAh): Maximum energy capacity for heavy-duty industrial systems.
- Anti-Leak hermeticity: Durable steel casing protects expensive equipment from electrolyte leakage.
To fully utilize the energy potential of these batteries, explore our powerful LED flashlights and headlamps.
Q: What is the technical difference between C (LR14) and D (LR20) batteries and in which devices are they used?
Q: Why do gas water heaters and automatic gas boilers specifically require VIDEX Alkaline LR14/LR20 batteries?
Q: How long do alkaline D (LR20) batteries operate in a powerful LED spotlight compared to zinc-carbon elements?
Q: Is it permissible to use adapter shells (C to D or AA to C) as a full replacement for large batteries?
Q: Why is a reinforced steel housing important for large D and C batteries under heavy load conditions?
A: The difference lies in physical dimensions and capacity: the C (LR14) size is 26.2 x 50.0 mm (around 8000 mAh), while the D (LR20) measures 34.2 x 61.5 mm, reaching up to 18000 mAh capacity. The C format is intended for medium-power portable radios and mechanisms, while D elements are used in powerful industrial flashlights and gas boiler ignition blocks.
Q: Why do gas water heaters and automatic gas boilers specifically require VIDEX Alkaline LR14/LR20 batteries?
A: Gas burner spark plugs and automatic valves consume a large current impulse at the moment of ignition. Alkaline LR14/LR20 elements provide low internal resistance and a strong spark for thousands of ignition cycles throughout the heating season, preventing gas boiler startup errors (Err).
Q: How long do alkaline D (LR20) batteries operate in a powerful LED spotlight compared to zinc-carbon elements?
A: With an 18000 mAh capacity, two D (LR20) alkaline batteries provide continuous LED spotlight operation for up to 40–60 hours. Regular zinc-carbon D batteries discharge in just 8–10 hours in this mode, so Alkaline provides 5 times longer autonomy for operational services and construction sites.
Q: Is it permissible to use adapter shells (C to D or AA to C) as a full replacement for large batteries?
A: An adapter shell allows physically inserting a smaller battery into a larger socket, but the capacity remains at the level of the small battery (around 2800 mAh, not 18000 mAh). The device will work, but its operating time will be 6 times shorter, therefore original D (LR20) Alkaline batteries are necessary for prolonged autonomy.
Q: Why is a reinforced steel housing important for large D and C batteries under heavy load conditions?
A: Large batteries contain a high volume of chemical reagents, so in the event of housing damage, the consequences of a leak would be catastrophic for the device's mechanism. An impact-resistant steel casing with a safety valve prevents internal pressure deformations even under the influence of heavy impact or temperature fluctuations.
