Progo 2 Channel Dual Battery USB Charger for Nikon EN-EL14 EN-EL14a and Nikon P7000, P7100, P7700, P7800, D3100, D3200, D3300, D5100, D5200, D5300, Df DUAL CHANNEL CHARGER allows charging 1 or 2 Nikon EN-EL14 batteries. SMART LED indicates when charging is complete and prevents battery from overcharging. CHARGES Battery for Nikon P7000, P7100, P7700, P7800, D3100, D3200, D3300, D5100, D5200, D5300, Df INCLUDES DUAL USB charger with USB cord. USB AC Adpater and battery are NOT included. Input: 5V, 2000mA Max. Output:8.4V 600mA x 2