Can any DSLR charge its battery over USB, or is that mainly a mirrorless feature?
Asked 8/3/2014
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My Nikon D40 seems to drain batteries very quickly, and replacing the battery and charger hasn’t solved it, so I’m considering replacing the camera body. I’d like a camera that can recharge the battery inside the camera via USB instead of relying only on a separate charger. Do any DSLRs support USB charging, or is this generally limited to newer mirrorless interchangeable-lens cameras?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
12y ago
2 Answers
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It is not nearly true that "almost all non-DSLR cameras can recharge the battery inside the camera via USB". In fact, I think it's the exception, rather than the rule.
In any case, I don't think you'll find that for a DSLR. For a compact camera that you might throw in a bag or keep in your pocket while traveling, it makes sense to not have to deal with an external thing. With a more "serious" camera, the balance tilts towards it being very inconvenient to have your camera out of commission while it's doing double-duty in the charger. Better to have two batteries -- one charged or in the charger, and one in the camera.
Originally by user1943. Source · Licensed CC BY-SA 4.0
user1943
12y ago
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Generated from our catalog & community — verify before relying on it.
For true DSLRs, the community consensus is essentially no: USB charging has generally not been a DSLR feature. External chargers have traditionally been preferred because you can keep shooting with one battery while charging another, instead of tying up the camera.
USB charging is more common on some newer mirrorless interchangeable-lens cameras, not older DSLRs. One example mentioned is the Canon EOS RP, which can charge over USB-C, but it requires a proper USB Power Delivery (PD) charger rather than just any phone charger.
So if USB charging is important, you’ll likely want to look beyond DSLRs and toward newer mirrorless models. Still, many photographers prefer removable batteries and external chargers for convenience, especially if they carry spares.
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