Tenergy Centura Ni-MH AAA Batteries are an economical and eco-friendly choice. With a lifespan of up to 2100 charge cycles, you can save up to 99% compared to non-rechargeable alkaline batteries. These NiMH AAA batteries have an impressive shelf life; after just one year, they still retain 85% of their charge. Moreover, even with daily use, they can maintain up to 95% of their potential capacity. Suitable for almost any device that uses traditional alkaline AAA batteries, these batteries are also safe from accidental memory damage due to overcharging.