Asus has released a mini projector with built in battery. ZenBeam E2 that can operate for up to 4 hours with a built-in battery and is priced around $330. Asus ZenBeam E2 is a mini projector that can operate continuously for up to 4 hours with a built-in battery that has a capacity of 6,000mAh. You can also supply power to external devices with 5V/1A output.
It is possible to project to a large screen equivalent to 30 to 100 inches, and Asus ZenBeam E2 is equipped with an automatic vertical keystone correction function and an automatic portrait mode that allows vertical projection. You can also use wireless mirroring from your smartphone or PC using the included USB Wi-Fi dongle.
The projection method used in Asus ZenBeam E2 is DLP, the light source is a 300lm LED, the maximum resolution is 854 x 480 dots, and the number of display colors is 16.7 million colors. In addition to having HDMI as a video input terminal, it is also equipped with a 5W speaker and a 3.5mm stereo mini jack.
The main body size of Asus ZenBeam E2 measures 39.5 x 110 x 107 mm (width x depth x height), and the weight is about 410 grams.
Asus ZenBeam E2 specifications
projection method 0.2 DLP®
light source LED (Lifespan about 30,000 hours)
Brightness *1 Up to 300 lumens
Maximum resolution 854×480 (WVGA)
contrast ratio 800:1
contrast ratio 400:1
aspect ratio 16:9
throw ratio 1.3:1
Screen size 30 to 100 type
projection distance 0.76m to 2.54m
Maximum display color 16.7 million
speaker Built-in speaker (5W x 1)
input/output terminal HDMI x 1
UBS port (5V/1A) x 1 for powering connected devices only
audio output 3.5mm stereo mini jack
Automatic keystone correction Correspondence
Operating sound 30dB (Normal)
built-in battery 6000mAh
battery life up to 4 hours
power consumption while using it 36.5 W or less
Standby 0.5W or less
Body size (W×D×H) 110 x 39.5 x 107mm
mass about 0.41kg
Box size (W×D×H) 140x135x172mm
Shipping Weight about 0.5kg
Main accessories HDMI Cable x1
USB Wifi Dongle