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BYINTEK R20 Max Projector

$1,748.37 ~~$3,719.94~~ at Aliexpress

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SUMMARY: The BYINTEK R20 Max is a portable smart mini projector powered by an internal battery and running Android 11.0. Positioned for casual home cinema and outdoor movie sessions, it supports 4K input while outputting at a lower native resolution. Real-world brightness tends to suit dim environments rather than bright spaces, and smart features may face DRM limitations. Fan noise remains moderate during operation. Overall, it offers budget-friendly versatility for short movie nights or presentations, though it falls short for users seeking high-end visual clarity or professional-grade performance.

Best Used For: casual indoor viewing in dark or dim environments

Released: 2022

Brand: BYINTEK

Specification	Details
Brightness	500 ANSI Lumens (advertised)
Resolution	1280x800 Native, 4K input is downscaled to 1280x800
Contrast Ratio	1200:1 (advertised)
Throw Ratio	1.2:1
Min/Max Throw Distance	0.8m - 7.8m (30''-300'' diagonal)
Lamp Life	50000 hours
Connectivity	HDMI 2.0, USB 3.0, RJ45, WiFi, Bluetooth 5.0
Keystone Correction	Vertical: ±35° auto, Horizontal: ±45° manual
Zoom Lens	fixed lens
Input Lag	Not specified
Audio Output	2 x 5W speakers, 3.5mm audio out
Aspect Ratio	16:10 native, supports 16:9, 4:3
Weight (kg)	1.43 kg
Lens Shift	Not available
Controller Type	Remote Control
Noise Level (dB)	Not specified
Size of Projection	30''-300''

Highlights

Marketed as a portable outdoor home theater solution, the BYINTEK R20 Max combines a compact DLP chassis with an integrated 15,600 mAh battery, enabling 2–4 hours of untethered operation. While the manufacturer advertises a runtime of up to 4 hours under optimal conditions, independent user feedback suggests a more conservative 2–3 hours at moderate brightness levels, making it best suited for short outdoor movie nights rather than all-night events.

Despite claims of 4K support, the R20 Max’s native resolution remains 1280×800 (WXGA). It is capable of accepting a 4K input signal via HDMI and will downscale to its native panel resolution. This behavior is typical for budget mini DLP projectors. Viewers should expect sharpness comparable to 720p, rather than true 4K clarity, and treat any “4K” specification as an input convenience rather than actual display performance.

The manufacturer’s spec sheet lists 750 ANSI lumens of brightness, but real-world measurements and multiple user reports indicate an effective output closer to 500–600 ANSI lumens in dark-room settings. This level of illumination is sufficient for dimly lit indoor environments or moonlit outdoor spaces, but it falls short for bright living rooms or daylight projections. Consequently, the projector excels in controlled ambient light scenarios but requires light-control measures elsewhere.

With an advertised contrast ratio of 15,000 :1, the R20 Max purports to deliver deep blacks and vibrant colors. In practice, the full-on/full-off (FOFO) spec often overstates dynamic performance, and most users observe a contrast experience closer to 1,200 :1 in real environments. While image depth remains respectable for movie watching, scenes with heavy shadow detail may appear washed-out unless the surroundings are fully darkened.

Running Android 11.0, the R20 Max features an on-board smart TV interface with access to app stores. Users can install streaming apps directly, though DRM-protected services (e.g., Netflix, Disney+) may require workarounds or external streaming sticks. The system’s 2 GB RAM and 32 GB storage provide enough headroom for casual app use, but some applications may exhibit lag or compatibility issues due to the budget chipset.

The projector offers a suite of connectivity options, including HDMI 2.0, USB 3.0, Wi-Fi (2.4 GHz & 5 GHz), and Bluetooth 5.0. HDMI passes through 4K@60 Hz signals, while USB ports accommodate media playback from flash drives. Wireless casting works reliably in most home networks, though interference on crowded Wi-Fi channels can introduce latency. Bluetooth audio pairing allows external speakers for a richer soundstage, remedying the built-in 2×5 W speaker limitations.

Featuring a fixed lens with no optical zoom or lens shift, the R20 Max relies on a 1.2 :1 throw ratio to achieve a 2 m-wide image from a distance of approximately 2.4 m. This setup offers decent flexibility for standard living room layouts but may challenge tight spaces. The vertical keystone correction (± 35° auto) and horizontal keystone (± 45° manual) help align the image, though heavy correction can introduce slight geometric distortion.

Weighing in at 1.43 kg with compact dimensions of 180×128×140 mm, the R20 Max strikes a balance between portability and durability. Its rugged plastic shell shields internal optics from minor bumps, making it a reliable companion for camping trips or backyard screenings. The onboard handle and battery-powered operation eliminate the need for AC outlets, but users should pack a power bank or external charger for extended marathons.

Fan noise is rated at 28 dB, positioning the R20 Max among the quietest in its class. In dark movie nights, the gentle hum is barely perceptible, though it can become noticeable during high-performance scenes when the system ramps up cooling. For audiophile-grade environments, pairing with an external sound system not only enhances audio quality but also masks any residual fan noise.

In summary, the BYINTEK R20 Max excels as a versatile, battery-powered mini projector with smart features and a balanced feature set for casual home-theater and outdoor use. Buyers should recognize that advertised figures—such as 750 ANSI lumens and 4K compatibility—often reflect input capabilities or seller-provided specs, while real-world performance typically aligns with 500–600 lumens of brightness and WXGA output. For those seeking an entry-level, portable solution in controlled lighting, it represents a sound value, but enthusiasts demanding native 4K or high-contrast cinema-grade projection may look to higher-tier alternatives.

AliExpress Price History

Date	Price (USD)
2025-06-06	1748.37
2025-08-02	1748.37

Since 2025-06-06

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Product	BYINTEK R20 Max Projector	JowLurk M8 Projector	Salange L018AQ Projector	Dangbei N2 Mini Projector
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Badges	Best Deal
Price	$1,748.37 ~~$3,719.94~~ at Aliexpress	$239.99 at Amazon.com	$159.99 ~~$199.99~~ at Amazon.com	$179.00 ~~$229.00~~ at Amazon.com
Brand	BYINTEK	JowLurk	Salange	Dangbei
Check Details		Check Details	Check Details	Check Details
Brightness	500 ANSI Lumens (advertised)	1000 ANSI Lumens (advertised)	~220 ANSI Lumens	~150 ANSI Lumens
Resolution	1280x800 Native, 4K input is downscaled to 1280x800	Native 1080P	Native 1080P	1080P Native
Contrast Ratio	1200:1 (advertised)	10000:1 (dynamic, advertised)	~2000:1	~600-800:1 dynamic
Throw Ratio	1.2:1	not specified	~1.2-1.5	1.25:1
Min/Max Throw Distance	0.8m - 7.8m (30''-300'' diagonal)	not specified	2.5m-4m (100''-200'')	0.9m-3.2m (40-120 inches)
Lamp Life	50000 hours	20000 hours	30000 hours	30000 hours
Connectivity	HDMI 2.0, USB 3.0, RJ45, WiFi, Bluetooth 5.0	WiFi6, Bluetooth 5.3, HDMI, USB, AV, etc.	WiFi, Bluetooth, HDMI, USB, compatible with Android/phone/TV stick	1 × HDMI 2.0, 1 × USB 2.0, 3.5 mm audio-out, Wi-Fi 6, Bluetooth 5.2
Keystone Correction	Vertical: ±35° auto, Horizontal: ±45° manual	Auto-keystone	Auto keystone	Auto four-corner ± range unspecified + manual adjust
Zoom Lens	fixed lens	50-100% zoom	Digital Zoom	None (digital zoom only)
Input Lag	Not specified	Not specified	~50 ms	~99ms
Audio Output	2 x 5W speakers, 3.5mm audio out	Built-in speakers	Built-in speakers	6 W mono speaker, Dolby Audio badges
Aspect Ratio	16:10 native, supports 16:9, 4:3	16:9	16:9	16:9 fixed
Weight (kg)	1.43 kg	not specified	1.5 kg	1.72 kg
Lens Shift	Not available	Not available	Not available	not available
Controller Type	Remote Control	Remote Control	Remote Control	Bluetooth / IR remote with dedicated Netflix key
Noise Level (dB)	Not specified	Not specified	~40 dB	~ 29 dB
Size of Projection	30''-300''	Up to 200 inches	up to 200 inches	40-120 inches
Connectivity	HDMI 2.0, USB 3.0, RJ45, WiFi, Bluetooth 5.0	WiFi6, Bluetooth 5.3, HDMI, USB, AV, etc.	WiFi, Bluetooth, HDMI, USB, compatible with Android/phone/TV stick	1 × HDMI 2.0, 1 × USB 2.0, 3.5 mm audio-out, Wi-Fi 6, Bluetooth 5.2