Nebula Mars 3 Air vs XGIMI MoGo 4

How they differ in real use

Built from our battery projectors for outdoor movies scoring, each product's published specifications, and verified owner feedback — not hands-on testing.

Both the Nebula Mars 3 Air and the XGIMI MoGo 4 made our Top 5 Battery-Powered Projectors for Outdoor Movies, at #3 (best value) and #4. The pick for sound and runtime per dollar: its dual 8W Dolby speakers outclass the MoGo 4's 2 x 6W pair, and it lasted 3 hours 23 minutes on battery in The Smart Home Hookup's test, longer than either MoGo. It sits below the MoGo 4 Laser because that runtime comes at only about 128 lumens, and ProjectorCentral measured just 145 lumens in Eco mode, so it needs full darkness. It edges the MoGo 4 on audio and battery endurance even though the MoGo 4 costs about $40 less. The MoGo 4 Laser's body, stand, 71Wh battery and Google TV for about $190 less. ProjectorCentral measured 404 lumens, a touch brighter than the Mars 3 Air's 399. It ranks fourth because What Hi-Fi found its sound thin next to the Mars 3 Air's 8W Dolby pair and its color slightly over-saturated, and its LED picture trails the Laser model's richer triple-laser image. It still beats the Dangbei Freedo on measured brightness (404 vs about 310 lumens) and speaker output.

We score battery-powered projectors for outdoor movies on Outdoor Brightness (25%), Battery Runtime (20%), Picture Quality (15%), Built-in Sound (15%), Smart Features (10%) and Value (15%). On that basis the Nebula Mars 3 Air totals 7.9 out of 10 and the XGIMI MoGo 4 7.8. The widest gap is Built-in Sound, where the Nebula Mars 3 Air scores 8.8 against 7.4 for the XGIMI MoGo 4: speaker output and clarity in open air, where small drivers lose volume. Battery Runtime also separates them: 7.8 for the Nebula Mars 3 Air versus 7.4 for the XGIMI MoGo 4. The XGIMI MoGo 4 claws back ground on Value, Smart Features, Outdoor Brightness and Picture Quality.

On paper, the specifications that actually differ: Rated Brightness: 400 ANSI lumens on the Nebula Mars 3 Air versus 450 ISO lumens on the XGIMI MoGo 4; Battery (Video): Up to 2.5 hrs rated (3 hrs 23 min measured in Eco by The Smart Home Hookup) on the Nebula Mars 3 Air versus Up to 2.5 hrs (Eco, automatic on battery) on the XGIMI MoGo 4; Resolution: Native 1080p (DLP) on the Nebula Mars 3 Air versus 1080p on the XGIMI MoGo 4; Speakers: 2 x 8W (Dolby Audio) on the Nebula Mars 3 Air versus 2 x 6W (Harman Kardon) on the XGIMI MoGo 4; Weight: 3.7 lb (1.7 kg) on the Nebula Mars 3 Air versus 2.9 lb (1.3 kg) on the XGIMI MoGo 4. They match on Light Source, Smart OS and Weather Resistance.

Check current pricing at the merchant links below. Owners praise the Nebula Mars 3 Air for dual 8W Dolby speakers are the strongest audio among the compact picks here and google TV with officially licensed Netflix, plus auto focus, auto keystone and obstacle avoidance; the most common complaint is drops to roughly 128-145 lumens in battery/Eco mode, so the image needs full darkness and a modest screen. Owners praise the XGIMI MoGo 4 for same compact body, 360-degree stand and Google TV with licensed Netflix as the MoGo 4 Laser for less money and projectorCentral measured 404 lumens, slightly brighter than the Mars 3 Air in its brightest mode; the most common complaint is what Hi-Fi found the sound thin and the color slightly over-saturated.