10 Best C Batteries 2026 in the United States

The Energizer Alkaline Power C Batteries (12 Pack) are designed to provide long-lasting power for a variety of household devices such as smoke detectors, clocks, toys, flashlights, and more. One of the standout features is their impressive shelf life of up to 10 years, meaning you can store them for emergencies without worrying about them losing charge over time.

The Amazon Basics 24-Pack C Cell Alkaline Batteries are designed to offer reliable power for a variety of everyday devices such as toys, clocks, and flashlights. These batteries operate at 1.5 volts, making them suitable for many household gadgets. One of the standout features is their 5-year shelf life, ensuring that the batteries will be ready to use even after being stored for a significant period. This makes them a convenient choice for stocking up for emergencies or future use.

The Panasonic KJ17MCC82A eneloop Power Pack is a versatile battery pack that includes 8 AA, 2 AAA batteries, 2 C and 2 D adapters, an advanced individual battery charger, and a storage case. One of its major strengths is the long-lasting performance of the included eneloop batteries, which can be recharged up to 2100 times. The AA batteries offer a capacity of up to 2000mAh, while the AAA batteries offer up to 800mAh, making them powerful options for various devices. Additionally, these batteries come pre-charged and can retain up to 70% of their charge even after 10 years when not in use, which is a significant advantage for infrequent users.