Comes already charged from the packaging and can be used immediately. Conventional rechargeable batteries quickly lose a large part of their capacity due to storage alone. With VARTA Ready2Use, this problem is minimized. Once charged, these batteries can retain 80% of their original capacity after one year of storage. They do not require a special charger and are ideal for all types of applications. From low-power wall clocks to power-hungry digital cameras, Ready2Use is a reliable power solution.