DSTE 2x BP-915 Replacement Li-ion Battery for Canon Ultura V40 V40Hi V420 V500 ES4000 ES-4000 UC-X50 XF310 XF315 Camera as BP-911 BP-914 BP-924 BP-927 BP-941 BP-930 BP-945 BP-950 BP-970 Battery Type : Li-ion Battery Capacity : 17.0Wh/2300mAh Output Voltage : DC 8.4V (max)/ DC 7.2V (mean) Info Function for Life Indication High Capacity for Stamina