50 mAh higher capacity (2,550 mAh nominal, 2,450 mAh minimum capacity), and the self-discharge rate was improved, retaining 85% up to one year. They also introduced an AAA version of the Eneloop XX (model HR-4UWXB) with a nominal capacity of 950 mAh (900 mAh minimum). After the acquisition by Panasonic, they were renamed Eneloop Pro (model BK-4HCC) in Europe (BK-4HCCE) and the Americas (BK-4HCCA). 3rd generation In October 2015, Panasonic remodeled Eneloop Pro (BK-3HCD/BK-4HCD). The minimum capacity of the battery increased, by 50 mAh to 2500 mAh for AA and by 30 mAh to 930 mAh for AAA. Eneloop Plus Eneloop Plus cells have a PTC thermistor built-in that cuts the power in case of overheating. This makes them especially suitable for toys and devices that generate significant heat. Other specifications are identical to the second-generation Eneloop batteries. The product number is HR-3UPT (AA), and the battery was released in Japan in December 2011. It was later discontinued. Counterfeit Eneloops There are many counterfeit Eneloop batteries; in particular batteries sold on online auction sites are often fake. Ways to distinguish genuine batteries have been published. Variant comparison tables AA size AAA size References External links Eneloop encyclopedia Products introduced in 2005 Battery manufacturers Consumer battery manufacturers Nickel–metal hydride batteries Japanese brands Panasonic Corporation brands