DSTE 2 Pack EN-EL9 EN EL9 Rechargeable Li-ion Battery for Nikon D40 D40X D60 D3000 D5000 Digital Camera as ENEL9 EN-EL9A Battery Type : Li-ion Battery Capacity : 14.1Wh/1900mAh Output Voltage : DC 8.4V (max)/ DC 7.2V (mean) Info Function for Life Indication High Capacity for Stamina Full coded version, show battery level in camera screen. No memory effect, can be charged or dischargered at anytime. Perform as good or better than the top branded batteries on the market.