The Eneloops has been written in other Rezis everything deshlab the following notice: Under the following link: lygte-info.dk/info/ComparisonOfAABatteryChemistry%20UK.html is a thorough check with diagrams of the white and black Eneloops, a Li battery and an alkaline battery to read. The Result: The higher the power requirements of a consumer are more superior vs. the Eneloops. an alkaline battery. This is due to their very low internal resistance. Under the following link: (. S comment) is a comprehensive test of some AA / AAA rechargeable batteries of different "manufacturer" or supplier to see. Were listed the internal resistance and the capacity of all batteries. The measurements were performed with several current loaders.