Rechargeable, high capacity batteries Esperanza combine the latest technology of modern nickel metal hydride rechargeable batteries with the advantages of conventional alkaline batteries and replace them perfectly. At the same time they affect less pollution of the environment and allow to achieve significant financial savings. By optimizing cell technology with the ability to load and use in the production of high-quality components has minimized the effect of self-discharge. Rechargeable batteries Esperanza after one year holds 85% of its nominal capacity.