Ni-MH product with long-lasting energy for all standard devices. Ordinary rechargeables get discharged during storage and lose much of their capacity. With VARTA Ready 2 Use rechargeable you won't have much of a capacity problem. Once charged this advanced battery still retains more of its capacity after one year of storage. VARTA Ready 2 Use rechargeable does not require a special charger and can be used for all applications.