The Panasonic eneloop BK-4MCDEC4BE is a set of four AAA nickel-metal hydride rechargeable batteries designed for long-term reliability in your household electronics. Each cell provides a capacity of 800 mAh and a voltage of 1.2 V, making them a dependable power source for devices like remote controls or wireless mice. Because they come pre-charged, you can start using them immediately after opening the package. These batteries are built for longevity, supporting up to 2100 recharge cycles, which significantly reduces the need for disposable alternatives over time. To keep your power cells organized, the set includes a dedicated travel and storage case compatible with both AA and AAA sizes. The product is also delivered in plastic-free packaging, reflecting a more sustainable approach to electronic accessories.