GP Super Alkaline D (Mono) Batteries LR20 1.5 V, 120-Pack GNPCA13UP042

For warehouses, event technicians, and facility managers who power high-drain devices daily, this bulk pack of 120 GP Super Alkaline D batteries keeps flashlights, portable radios, and industrial equipment running through long shifts and emergency situations.

Key specifications

• Battery size: D (Mono)
• Chemistry: Alkaline Manganese (Super Alkaline)
• Nominal voltage: 1.5 V
• IEC designation: LR20
• Pack quantity: 120 batteries
• Shelf life: Up to 10 years
• Mercury free: Yes
• Cadmium free: Yes
• Lead free: Yes
• Operating temperature range: -18°C to 55°C
• Terminal type: Flat top

Why choose it

These non-rechargeable alkaline batteries deliver reliable power for high-drain and general-purpose devices. The 10-year shelf life means you can stock up without worrying about expiration, and the mercury, cadmium, and lead-free formula supports safer disposal. Each battery weighs approximately 135 g and measures 61.5 mm in length and 34.2 mm in diameter, fitting standard D-cell compartments.

Ideal use cases

• High-drain devices such as large flashlights and lanterns
• Portable radios and boomboxes
• Industrial equipment and safety devices
• Emergency kits and backup power supplies

Good to know

The flat top terminal design is common for D batteries in many devices. GP Super Alkaline technology provides consistent voltage output across a wide temperature range, from -18°C to 55°C, making these batteries suitable for both indoor and outdoor use.