DSTE 2x D-Li90 Replacement Li-ion Battery for Pentax K-01 K-1 K-3 K-5 K-5II K-5IIs K-7 645D 645Z Camera as D-L90P Battery Type : Li-ion Battery Capacity : 20.7Wh/2800mAh Output Voltage : DC 8.4V (max)/ DC 7.2V (mean) Info Function for Life Indication High Capacity for Stamina