Can a Nikon D3100 run from AC power instead of batteries?

Asked 3/31/2016

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I’m using a Nikon D3100 for longer video shoots, and the battery often doesn’t last the whole session. I know the camera can’t be charged over USB, but is there a way to power it continuously from a wall outlet? If so, what adapter setup is needed for the D3100?

nikon ac-power video dummy-battery nikon-d3100

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

10y ago

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You can run the camera directly off AC power with two pieces of gear. You need a camera-specific "dongle" that basically fakes being the battery in the battery compartment. This then connects to the other part you need, which is the AC-to-DC adapter.

For the D3100, you need the Nikon EP-5A power supply connector and the Nikon EH-5b AC adapter.

According to this FAQ on the Nikon USA website, the EH-5a or EH-5 should be compatible, too, although this table only lists the EH-5a for the D3100.

It also appears there are 3rd party versions of both adapters.

Originally by user27440. Source · Licensed CC BY-SA 4.0

user27440

10y ago

AI Answer

Generated from our catalog & community — verify before relying on it.

Yes. The Nikon D3100 can be powered from AC, but not through USB charging. You need a two-part external power setup: a battery-compartment dummy battery/power connector and a compatible AC adapter.

For the D3100, the commonly referenced Nikon parts are:

Nikon EP-5A power supply connector
Nikon EH-5b AC adapter

Community answers also note that the EH-5a or EH-5 may be compatible according to Nikon compatibility information. Third-party versions of these adapters are also available.

So if you want a “set it and forget it” wall-power solution for long shoots, look for a D3100-compatible dummy battery plus AC adapter kit rather than USB power or charging.

Can a Nikon D3100 run from AC power instead of batteries?

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