If you are a photographer, video game enthusiast, or regularly use devices that require a lot of battery juice, then rechargeable NiMH batteries are worth the cost. Specially created with Nickel-metal hydride chemistry for the high-drain devices, NiMH batteries offer quick, intense, and reliable power for more than 400 hours. Typically, the rechargeable batteries last between 5 and 10 years, helping you to save a significant amount of money over time in most cases. After all, one reusable cell is equal to hundreds of its single-use counterpart. They will keep your flashlights lit and your TV controllers clicking longer, can be recharged thousands of times over, and are widely available and inexpensive. When paired with a great charger with overcharge protection, you are sure to use the batteries to the fullest.