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HAPPRUN 510G Projector

$319.99 ~~$369.99~~ at Amazon.com

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SUMMARY: The HAPPRUN 510G is a compact Full HD projector with built-in Google TV, ideal for dark-room streaming and casual entertainment. While brightness is overstated at 500 ANSI lumens, real-world performance suits nighttime viewing. Its ~1.5:1 throw ratio, auto keystone, and dual speakers add convenience, but limited brightness and alignment flexibility make it less suited for bright environments or precision setups.

Best Used For: Casual home movie streaming

Released: 2024

Brand: Happrun

Specification	Details
Brightness	250–300 ANSI Lumens
Resolution	Native Full HD 1080p, not true 4K
Contrast Ratio	12000:1 (advertised)
Throw Ratio	~1.5:1
Min/Max Throw Distance	1.5m to 5.5m
Lamp Life	Up to 100,000 hours (LED)
Connectivity	HDMI, USB, AV, Bluetooth, Wi-Fi, 3.5mm audio
Keystone Correction	Auto ±40° vertical
Zoom Lens	Manual zoom (~50% range)
Input Lag	Not specified
Audio Output	5W dual stereo speakers with Dolby Audio
Aspect Ratio	16:9/4:3
Weight (kg)	2.2 kg
Lens Shift	Not available
Controller Type	Physical buttons + remote
Noise Level (dB)	≤ 35 dB
Size of Projection	40" to 300" (60" to 120" Recommended)

Highlights

Designed with casual home entertainment in mind, the HAPPRUN 510G offers a blend of smart TV integration and basic projection features tailored to dark room use. Its standout feature is the official Google TV certification, enabling seamless access to major streaming apps (Netflix, YouTube, Disney+, Prime Video) directly from the device, without the need for additional dongles or streaming sticks.

The projector advertises a native 1080p resolution with support for 4K input. This claim is consistent with real-world usage, as pixel-level sharpness and clarity are confirmed to be Full HD—not true 4K—but sufficient for movie streaming and casual gaming. Users generally report a crisp image at moderate screen sizes, particularly between 60” to 120”.

While the manufacturer lists brightness at 500 ANSI lumens, user experiences and visual comparisons suggest actual performance closer to 250–300 ANSI lumens, making it viable for dark environments but notably underpowered for daytime or even mildly lit rooms.

Throw ratio is not explicitly disclosed in most listings, but data from ProjectorCentral estimates it at ~1.5:1. This corresponds to about 3.3 meters of distance needed for a 100-inch screen. Such a ratio aligns with standard-throw projectors, offering reasonable flexibility but requiring adequate space for larger images.

The projector includes auto vertical keystone correction (±40°) and a manual zoom function, both of which aid in setup convenience. However, the lack of horizontal keystone or lens shift means alignment can still be tricky if placed at an angle or off-center.

Audio comes from dual 5W speakers with Dolby Audio, and while it’s adequate for solo use in quiet spaces, sound quality remains limited in bass and projection strength. Bluetooth audio pairing is supported and recommended for improved sound experiences, especially outdoors.

Physically, the 510G weighs just over 2 kg, making it lightweight and portable. The compact design, paired with Wi-Fi 5 and Bluetooth 5.1 support, makes it versatile for indoor and occasional outdoor use—though again, ambient light will greatly affect visibility.

Input lag and gaming performance aren’t documented officially. Based on community feedback, the latency is acceptable for casual console gaming but falls short for competitive or high-speed titles.

Ultimately, the HAPPRUN 510G finds its place as a plug-and-play solution for streaming-centric users who prioritize content access over raw image performance. It’s ideal for dimly lit living rooms or backyard movie nights but may disappoint users expecting commercial-grade brightness or installation flexibility.

Seller

Date	Price (USD)
2025-03-22	249.98
2025-04-16	319.99
2025-05-22	249.97
2025-05-27	249.99
2025-05-31	249.96
2025-06-01	249.99
2025-06-05	263.99
2025-06-09	319.99
2025-06-10	263.99
2025-06-17	249.96
2025-06-23	263.99
2025-06-25	319.99
2025-07-03	263.99
2025-07-05	369.99
2025-07-06	249.96
2025-07-10	319.99
2025-07-11	369.99
2025-07-19	319.99
2025-07-30	249.96
2025-08-13	249.95
2025-09-02	369.99
2025-09-15	319.99
2025-09-16	319.99

Since 2025-07-05

Auto Product Comparison

Product	HAPPRUN 510G Projector	BYINTEK U80 Max Projector	JMGo N1S Ultra Projector	Aurzen EAZZE D1G Projector
Image
Badges		Best Deal
Price	$319.99 ~~$369.99~~ at Amazon.com	$1,709.97 ~~$3,419.94~~ at Aliexpress	$1,799.00 ~~$2,499.00~~ at Amazon.com	$178.49 ~~$209.99~~ at Amazon.com
Brand	Happrun	BYINTEK	JMGo	Aurzen
Check Details		Check Details	Check Details	Check Details
Brightness	250–300 ANSI Lumens	500 ANSI Lumens	3000 ANSI Lumens	200 ANSI Lumens
Resolution	Native Full HD 1080p, not true 4K	Native 1920x1080; accepts 4K input but displays at 1080p	4K (3840 x 2160)	Native 1080P, 4K input supported but downscaled to 1080P
Contrast Ratio	12000:1 (advertised)	20000:1 (advertised)	1600:1 (native, advertised)	not specified
Throw Ratio	~1.5:1	1.2:1	1.2:1	~1.36:1
Min/Max Throw Distance	1.5m to 5.5m	Approx. 0.3m to 8m for 11" to 300" diagonal	7.4-15.7 ft for 84-180 inch	4/20 feet (from 40-200 inches)
Lamp Life	Up to 100,000 hours (LED)	50000 hours	30000 hours	30000 hours
Connectivity	HDMI, USB, AV, Bluetooth, Wi-Fi, 3.5mm audio	HDMI, USB-A, Bluetooth 5.0, Wi-Fi	2x HDMI 2.1 (one with eARC), 1x USB-A 2.0, 1x 3.5mm headphone jack	5G WiFi, Bluetooth 5.1 (audio transmission only), Chromecast, HD Inx1/USB x2/AV x1/Audio Out x1
Keystone Correction	Auto ±40° vertical	Vertical ±45° auto, Horizontal ±45°	Instant Auto Keystone	Auto and Electric/Manual, ±45° 4-point correction
Zoom Lens	Manual zoom (~50% range)	digital zoom (fixed lens)	Digital zoom (lossless zoom)	digital zoom
Input Lag	Not specified	not specified	Not specified	not specified
Audio Output	5W dual stereo speakers with Dolby Audio	2 x 5W speakers, Mini Jack out	20W with Dolby Digital Plus	8W x 2, Dolby Audio
Aspect Ratio	16:9/4:3	16:9	16:9	16:9
Weight (kg)	2.2 kg	1.3 kg	4.5 kg	2 kg
Lens Shift	Not available	not available	Not available	not available
Controller Type	Physical buttons + remote	remote control with mouse control	remote, app, voice control	remote control (IR)
Noise Level (dB)	≤ 35 dB	28 dB	<26 dB (advertised)	<40 dB
Size of Projection	40" to 300" (60" to 120" Recommended)	11'' to 300'' diagonal	40" - 300"	up to 200 inches
Connectivity	HDMI, USB, AV, Bluetooth, Wi-Fi, 3.5mm audio	HDMI, USB-A, Bluetooth 5.0, Wi-Fi	2x HDMI 2.1 (one with eARC), 1x USB-A 2.0, 1x 3.5mm headphone jack	5G WiFi, Bluetooth 5.1 (audio transmission only), Chromecast, HD Inx1/USB x2/AV x1/Audio Out x1