However, sacrifices made in the name of portability may make buyers think twice.

That said, it will not be sufficient for projection in a well-lit room.

That said, the out-of-box video prefs will likely more than suffice for most users.

Anker Nebula Mars 3 Air front view with remote

Jerome Thomas / MakeUseOf

Considering the picture and audio quality, these are quite impressive battery specs.

That said, 2.5 hours is still a relatively short time when considering movie lengths.

You wont be able to binge entire TV seasons or watch more than one standard-length film on one charge.

Mars 3 Air Projector PNG

The Nebula Mars 3 Air Projector is a superb device in video quality, ease of use, compatibility with streaming services and media, ands flexibility. Offering 1080p HDR video, Dolby Audio, a decent battery life, and convenient auto-framing for its display, this projector has numerous thoughtful design features, though its battery life is too short for longer viewing sessions, and it has some additional quirks that hold it back, such as a shallow mounting thread and no USB-C port.

As such, you should be able to access just about any streaming service.

This means the projector is theoretically compatible with just about any tripod and most standard mounting systems.

Unfortunately, this port is quite shallow, and the projector is highly prone to wobbling when mounted.

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The Nebula Mars 3 Air Projector is a superb device in video quality, ease of use, compatibility with streaming services and media, ands flexibility. Offering 1080p HDR video, Dolby Audio, a decent battery life, and convenient auto-framing for its display, this projector has numerous thoughtful design features, though its battery life is too short for longer viewing sessions, and it has some additional quirks that hold it back, such as a shallow mounting thread and no USB-C port.

Point it at a wall or screen, and press theAuto Focusbutton.

While this level of ease of use is increasingly standard in projectors, it remains incredibly convenient to have.

Outside of this, other than brief load times, the setup process was smooth.

Anker Nebula Mars 3 Air with the projector on and a gaming controller next to it

Jerome Thomas / MakeUseOf

However, a portable size often comes with sacrifices in other areas.

However, 2.5 hours is insufficient for many outdoor media viewing sessions.

Nebulas full-size Mars 3 has twice the battery life despite being significantly larger (and more expensive).

Anker Nebula Mars 3 Air rear ports

Jerome Thomas / MakeUseOf

You dont need a battery, and you dont necessarily need the projector to be efficient with power.

Moreover, USB-C can facilitate DisplayPort video connectivity.

An additional inconvenience is the shallowness of the quarter inch mounting thread.

Anker Nebula Mars 3 Air top view of buttons

Jerome Thomas / MakeUseOf

Last, the software for this rig isn’t exactly slow, but it isn’t snappy either.

When switching apps or inputting commands, there is a bit of lag in processing these actions.

This was especially apparent during setup.

Anker Nebula Mars 3 Air box and box contents laid out

Jerome Thomas / MakeUseOf

However, even with limited battery life, it shines in many scenarios.

Similarly, the portable size certainly takes up less space than a TV.

This negates the small-ish battery issue while retaining all the perks of portability.

Anker Nebula Mars 3 Air with gaming controller

Jerome Thomas / MakeUseOf

Should You Buy the Nebula Mars 3 Air?

Its not quite ideal for a fully-portable use case, nor is it right for most at-home use cases.