D Alkaline Batteries (4-Pack), 1.5V LR20 Ultra Long Power Double D Batteries for Heavy-Duty Lanterns, Flashlights, and Air Pumps (0% Mercury)

2X More Power: Advanced heavy-duty alkaline technology provides up to twice the power and runtime of standard carbon zinc cells. 1.5V LR20 D-Cell Format: Standard large D-sized footprint engineered for maximum energy retention and consistent voltage delivery. 0% Mercury Formulation: Eco-friendly, mercury-free chemistry ensures a safe, reliable, and environmentally-conscious household power solution. High-Drain Performance: Specially optimized for large-scale devices such as heavy-duty lanterns, portable radio boomboxes, air pumps, and battery-powered fans. Commercial & Emergency Utility: Dependable power for critical utility gear including megaphones, emergency sirens, large wall clocks, automatic paper towel dispensers, and commercial soap dispensers.