Eveready Super Heavy Duty D Size Batteries are affordable carbon zinc solution that provides power for you and your family’s basic power need. Super heavy duty offers a complete line of AA, AAA, C, D, 9v and 6v lantern batteries and are an economical choice for clocks, flashlights, radios and other devices that are low drain. Batteries have been providing dependable portable power. For every family, everywhere, every day. Can be used with any other devices that use size D carbon zinc battery. Delivers a strong powerful performance. Heavy-duty battery with a significantly long-lasting power and longer life. Quality seal for trusted power, leak resistance guaranteed. Perfect for any of your heavy-duty needs. Ready to use for up to 3 years. Based on IEC standard service tests. Includes pack of 4.