Aqara Video Doorbell G4

Aqara Video Doorbell G4

By Aqara · Video Doorbells · Cleaning & Smart Home

  • Video resolution 1080p with 162 deg (subtended angle) field of view
  • 2.4GHz Wi-Fi (IEEE 802.11b/g/n)

Lowest price seen
$70.00
from $70.00 at eBay · Checked Oct 13, 2026

Prices are snapshots. Check the current price with the store.

Problems, parts and running costs

Summary

The Aqara Smart Video Doorbell G4 is a battery-first 1080p doorbell with a 162° field of view, local facial recognition and HomeKit Secure Video support. Check three things before buying: 24/7 recording needs both wiring and a microSD card, an exposed doorway is a risk because Aqara publishes no IP rating, and the about-4-months battery claim assumes just 35 wake-ups and one short clip a day.

Strengths

  • Native HomeKit Secure Video on a battery-powered doorbell, alongside Amazon Alexa and Google Home.
  • Facial recognition runs locally on the device and can act as an automation trigger.
  • Subscription-free 7-day event-clip cloud storage plus a microSD slot for up to 512 GB.
  • Independent testing projected about 87 days from one set of cells and saw 80% remaining after 30 days.
  • Flexible power: six AA cells, or a wired 12–24 V AC / 8–24 V DC transformer with the battery pack as backup.
  • A powered 95 dB indoor chime, a 20° wedge and the mounting kit are all in the box.

Weaknesses

  • No published IP ingress rating, and Aqara’s own guidance points to a porch or shaded install, so a wet doorway is a risk (TechHive).
  • Owner battery reports span roughly 2–3 months on rechargeable cells to batteries dying in days.
  • A 2024 firmware build, 4.0.6_0044.0078, was tied by owners to failed video and rapid drain, with later builds reportedly withdrawn.
  • The G4 records 6- or 12-second clips, and the 1080p image is dim with no HDR and darker edge night vision (TechHive).
  • 24/7 recording needs both a wired install and a microSD card; on battery the doorbell records events only.
  • The link between the doorbell and the indoor repeater is a recurring weak point, fixed by owners by moving the repeater.

Verified specifications

ModelAqara Smart Video Doorbell G4, US retail model SVD-C03.
Video1920 × 1080 (1080p) at a 162° subtended field of view.
Doorbell Wi-Fi2.4 GHz, IEEE 802.11b/g/n.
Powersix AA 1.5V LR6 batteries, or 12–24 V AC 0.2 A 50/60 Hz, or 8–24 V DC 0.5 A.
Repeater2.4 GHz Wi-Fi, 5 V/1 A over USB-A to USB-C, with a 95 dB speaker.
Local storagemicroSD card up to 512 GB in the indoor repeater; card not included.
Cloud storagesubscription-free, up to 7 days of event clips.
Operating range−18 °C to +50 °C, 0–95% non-condensing humidity.
ColoursBlack and Shadow Gray.
Dimensions141.5 × 65 × 30.4 mm, 163 g without batteries.
Repeater size and weight65.2 × 65 × 28.4 mm, 68 g.
In the boxdoorbell, chime repeater, six AA batteries, screwdriver, wall screws and anchors, 20° wedge bracket and hardware, chime cable and manual.
Warranty12-month limited, non-transferable (Aqara US).
Full research notes and sources

Power, batteries and weather

The G4 runs from six AA 1.5V LR6 cells or a wired 12–24 V AC / 8–24 V DC transformer, with the battery pack then acting as backup. Aqara rates the cells at “about 4 months” and spells out the basis: 35 device wake-ups and one 6-second event recording a day, with life varying by usage, battery capacity and ambient temperature. Owners do not see that. Reports range from roughly 2–3 months on rechargeable cells to fresh batteries dying in days, and several owners say hardwiring improves the experience. Why the gap is so wide has never been published as a failure rate, so treat battery life as a buy-it-and-see.

Weather is the other condition. Aqara publishes no IP ingress rating for the G4, and TechHive quotes Aqara guidance recommending a porch or shaded install; the same review treats wet exposure as a reason to skip it. The stated operating range is −18 °C to +50 °C at 0–95% non-condensing humidity. If your doorway catches rain or driven snow, that missing rating is the thing to weigh.

Recognition, storage and compatibility

What separates the G4 from most battery doorbells is the compute on the board. Aqara says facial recognition runs locally on the device and can be used as an automation trigger, with its own examples being a welcome-home scene for a recognised family member and a pre-recorded message when the postman is detected. That is a privacy and response-time statement, not a claim about accuracy in poor light or at the edge of the 162° frame. Compatibility is broad for a battery device: Apple Home including HomeKit Secure Video, Amazon Alexa and Google Home, with local streaming to Amazon and Google smart displays. Matter was not supported at launch.

Storage is flexible on paper. Aqara offers subscription-free cloud storage of up to 7 days of event clips, covering motion detection, facial recognition, doorbell ring and tamper alerts, plus a microSD card of up to 512 GB. The card slot is in the indoor chime repeater rather than the doorbell body, and the card is not included, so retail copy that says the doorbell supports 512 GB without saying where the slot lives is misleading about installation. SMB NAS is listed as a storage option, with Aqara’s own footnote saying support may not have been available at launch. Continuous recording is the most misunderstood claim: 24/7 recording requires both a wired installation and a microSD card together, while battery power alone records events.

Owner reports, firmware and support

Owner threads are where the G4’s reputation gets its bruises. Battery life is the most recurrent complaint, with reports ranging from about 2–3 months on rechargeable cells to batteries dying in days. Several 2024 owners tie sudden extreme drain or lost connectivity to firmware, and one thread names build 4.0.6_0044.0078 as causing failed video and notifications with rapid drain, while commenters say later builds were withdrawn. Another owner described fresh batteries failing overnight after an update. These are owner reports, not a measured defect rate.

Connection to the chime repeater is a second weak point. One early owner lost the link with the repeater only about three feet away, and a 2025 discussion has users saying that relocating the indoor unit fixed reliability. A Best Buy verified purchaser reported the camera failing after about 2.5 weeks with a persistent network-connection error, and Aqara’s reply advised power cycling and moving the doorbell closer to the chime. Support is mixed: a 2024 owner complained of 48+ hour gaps between support emails during a severe firmware and battery problem, while another owner in 2023 said customer service was good to deal with. Neither anecdote establishes a typical response time.

Running costs and value

Aqara charges no mandatory subscription for the advertised 7-day event-cloud storage, so the fixed Aqara service cost can be $0 a year, and a microSD card is a one-time optional purchase. HomeKit Secure Video recording, though, needs an eligible iCloud+ plan and an Apple home hub, and that subscription is billed by Apple, not Aqara. Battery cost cannot honestly be reduced to one annual number: independent testing projected about 87 days from a set under its pattern, while owner reports include both multi-month life and drain measured in days. No defensible annual electricity figure for a hardwired G4 and repeater pair was found.

On price, Aqara’s US store lists the G4 at $99.99 (Aqara US Store, October 2026); Wellbots listed it at $119.99 (Wellbots, 2026), and the 2023 launch price and a 2024 review price were both $119.99. Around $100 it makes sense for a HomeKit user who can install it under cover and preferably hardwire it; above about $120 the newer Aqara G410 launched at $129.99 with 2K 4:3 video, 175° coverage and Matter-hub features, and Aqara’s wired G400 is listed at $99.99 with 2K 165° 3:4 video. For a wired install, paying more than roughly $100 for the older G4 is hard to justify unless battery operation is essential.

Which model this is

This page covers the Aqara Smart Video Doorbell G4, US retail model SVD-C03, sold in Black and Shadow Gray. The storefront name “Aqara Video Doorbell G4” and the manufacturer name “Smart Video Doorbell G4” are the same device. The listing this page covers is ASIN B0BPHTL7MG. Do not merge it with the 2K Aqara Doorbell Camera Hub G410 (175° field of view, Matter hub function) or the wired Aqara Doorbell Camera G400 (165° field of view); the G4 is 1080p with a 162° field of view and had no Matter support at launch.

Sources

Manufacturer:

Independent reviews:

Owner reports:

Stores:

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