D Size Alkaline Battery For high-drain mechanical devices, our D size alkaline battery provides the high-capacity "bulk" power you need. These cells are frequently deployed in heavy-duty flashlights and large automatic dispensers where energy longevity is paramount. We use a reinforced "Steel Shield" design to prevent terminal oxidation and leakage, even in high-humidity environments. If your equipment requires a high milliamp-hour (mAh) rating to survive long maintenance cycles, our D-cell power is the industrial-strength solution you’ve been looking for. Read More: https://powerhb.com/product/d-power-xp-alkaline-batteries-quantity-144/