Bulk R20 D Size Batteries | IEC-Certified Zinc-Carbon Cells for Industrial & OEM Applications

R20/UM-1/D SIZE

Super Heavy Duty Size D

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Product Details

High-Performance D Cell Zinc-Carbon Batteries for Cost-Effective Industrial Power
Engineered for reliability in low-to-medium drain devices, our Heavy Duty R20 D Cell Batteries deliver stable 1.5V power with extended shelf life and robust leak-resistant construction. Certified to global standards (RoHS, UN38.3), these batteries are ideal for OEMs, distributors, and industrial facilities seeking economical, high-volume power solutions for long-term deployments.

Key B2B Advantages:
✅ IEC R20 Certified – Guaranteed compatibility with D cell compartments worldwide.
✅ 5-Year Shelf Life – ≤3% annual self-discharge at 20°C, minimizing inventory waste.
✅ Anti-Leak Technology – Reinforced steel casing ensures safety in humid or high-vibration environments.
✅ Custom Branding – Private labeling & bulk packaging.
✅ Global Compliance – Meets RoHS, REACH, and EU Battery Directive 2023 for seamless logistics.

Features

· MODEL

R20 (IEC Zinc-Carbon)
· CHEMISTRY

Zinc-Carbon (Zn/MnO₂)
· NOMINAL VOLTAGE

1.5V
· DIMENSIONS

Ø34.2mm × 61.5mm
· OPERATING TEMP

-10°C to +50°C
· SHELF LIFE

3 Years
· BATCH CONSISTENCY

≤5% capacity deviation within the same production batch, ensuring reliability for bulk procurement.
· APPLICATION

Emergency flashlights, low-drain radios, Portable lighting systems