Panasonic eneloop Pro rechargeable batteries are the perfect choice for powering high-current consuming devices such as digital camera, personal care appliances, electric toothbrush, photo flash, wireless keyboards, mouse, game controllers, radio-controlled toys and other household devices These Panasonic rechargeable batteries feature a combination of performance and convenience of dry cells with the cost-efficiency of rechargeable batteries: Dry cell batteries – can be used after purchase and can be stored for a long period of time, Rechargeable batteries – reusable, recyclable and durable Panasonic’s advanced rechargeable cell technology allows eneloop to be recharged up to 500 times and it has a capacity retention of 85% after 1 year of storage, every time you charge eneloop, you're saving on the cost of replacement dry batteries and reducing wastage at the same time, it’s like 500 batteries in one A long-lasting and dependable source of clean energy, eneloop is used in more than 80 countries with over 380 million units shipped in the last decade and has a 95% satisfaction rating No need to worry about the “memory effect”, when a rechargeable battery that hasn’t been fully discharged is repeatedly topped up, it “remembers” that and it’s only used for a short time, this called the memory effect. There is no need to worry about memory effect with eneloop pro rechargeable batteries, you can charge the remaining capacity of the battery anytime Panasonic eneloop Pro rechargeable batteries work well and durable even in extreme temperatures, it maintains its high voltage in very low temperatures compared to alkaline batteries