The VR-4HD can use 14-V type camera-use batteries as an external power supply.

Correct operation of the VR-4HD when using the external power supplies shown below has been verified.

Manufacturer	Model number	Capacity	Usable time at full charge
IDX	DUO-C98	14V 6.6Ah 94Wh	Approx. 3 hours
IDX	DUO-C150	14V 9.9Ah 143Wh	Approx. 5 hours
IDX	DUO-C198	14V 13.2Ah 191Wh	Approx. 6 hours
IDX	E-7S	14V 4.8Ah 68Wh	Approx. 2 hours
NEP	BL-BP93HE-S	14.8V 6.3Ah 93Wh	Approx. 3 hours
NEP	BL-BP155HE-S	14.8V 10.5Ah 155Wh	Approx. 5 hours
SWIT	S-8082S	14V 6.6Ah 95Wh	Approx. 3 hours

Important notes :
* The operation times indicated above are approximate, and these operation times are not assured.
* Operation times might fluctuate depending on the charge level, the degree of battery depletion, and the operating state of the VR-4HD.
* Even among units of the same model number, usage might not be possible due to differences in design specifications between the individual external power supplies, usage environment, or the like. Operation when using the model numbers listed above is not assured for all units.