This battery pack is designed for exclusive use with the eos 1d it has a rated voltage of 12v and a rated capacity of 1 650mah higher than the previous np e2 it can be recharged using the np e2s current charger nc e2 and recharges in about 120 minutes the seams that come into contact with eos 1d are lined with silicon rubber packing to enhance water and dust resistance battery type lithium ion capacity in mah 1650 usage camcorder