Eufy SoloCam S40 Review: A Solar-Powered Security Camera

Solar energy. That elusive renewable power we’ve by no means in point of fact harnessed, in spite of it now being smartly into the twenty first century.

As a kid of the ’80s I bear in mind fondly my Casio HS-8 – a pocket calculator that virtually magically didn’t want batteries because of its small photo voltaic panels. It served me smartly thru number one college to college, and apparently introduced a window right into a conceivable long run with out discarded Duracells or unwieldy energy provides.

Things, after all, didn’t rather pan out like that, however just lately there were indicators that solar energy is again at the time table with tech corporations. Samsung, particularly, is the usage of panels in its newest high-end TV remotes, and is extensively rumoured to be growing a sun-powered sensible watch.

Here, although, solar energy is the important thing function of this new safety digicam from Chinese emblem Eufy.

The SoloCam S40 has an built-in photo voltaic panel and Eufy claims the machine calls for simply two hours of daylight an afternoon to handle sufficient energy in its battery to paintings 24/7. This provides a tangible receive advantages over many sensible safety cameras that both want their batteries steadily recharged, or require being attached to the mains for energy, proscribing the place they may be able to be located.

The S40, which has a 2K answer, additionally has a integrated highlight, siren and talk-back speaker, whilst its 8GB of interior garage way you should not have to pay for dear cloud garage subscriptions for viewing the digicam’s motion-triggered video recordings.

So does the Eufy SoloCam S40 mark the beginning of a solar-powered revolution for safety cameras, or will a loss of sunshine depart your own home susceptible to intruders? Read on for our verdict.

Design & Build

  • Built-in photo voltaic panel
  • 8GB on-board garage
  • USB-C charging port

Inside the field, you get the digicam itself, a plastic ball-jointed, pivoting bracket for mounting the digicam to a wall, screws, a USB-C charging cable, plus a at hand drill template for when attaching the unit to a wall.

Like its predecessor, the S40 is a standalone unit that connects without delay to your own home Wi-Fi community and will subsequently be fixed any place you favor to your assets as long as it may well nonetheless obtain a robust sign out of your router. Of direction, you additionally want to place it in a place that receives a minimum of two hours of direct daylight to stay the battery crowned up.

Eufy SoloCam S40 solar panel

The matt black photo voltaic panel is at the most sensible, and does not have the everyday glossy photovoltaic sheets we’ve come to be expecting of the generation. The digicam weighs a hefty 880g and measures ‎50 x 85 x 114mm and is weatherproof to IP65 same old, so it will have to get up to regardless of the components can throw at it.

Opening a flap at the again unearths a sync button and USB-C charging port, whilst the ground of the S40 properties the unit’s speaker. A microphone is positioned to the left of the digicam lens at the machine’s face, along a photo-sensitive sensor and movement sensor LED indicator.

The S40 captures video pictures at as much as 2K answer, has a 90dB alarm that may be brought on both manually or mechanically, AI particular person detection, automated infrared evening imaginative and prescient by way of a unmarried LED in addition to complete color filming in darkness by way of its integrated flood-light.

The SoloCam additionally permits you to keep watch over quite a lot of options and think about the feed the usage of the Alexa and Google Assistant voice assistants, even supposing Apple’s HomeEquipment is unfortunately now not supported.

Features & Performance

  • Person & animal detection
  • Activity zones
  • 10-second default clips

Much like earlier Eufy cameras, the S40 is simple to arrange. You are inspired to completely price the machine earlier than set up, and that took a complete 8 hours earlier than the battery had reached 100 consistent with cent and shall we get issues up and operating.

Theoretically that is the one time you’ll want to price the as a result of the photo voltaic panel, however extra on that later.

The remainder of the arrange procedure is a breeze. After downloading Eufy’s app onto your smartphone or tablet and developing an account, it is only a case of urgent the sync button at the digicam, settling on your own home Wi-Fi community after which the usage of the digicam’s lens to scan a QR code this is displayed to your phone. Once you’ve named your digicam, it is able to be fixed for tracking.

The Wi-Fi antennae seem to be excellent, with the S40 simply ready to handle a connection to our router when located over 20 meters away.

Eufy SoloCam S40 security camera

The significant other app for the S40, which is used for all the Eufy safety digicam vary, has passed through rather a couple of updates and refinements right through our trying out on each Android and iOS. While first of all susceptible to putting and crashing, it changed into reassuringly strong within the latter duration of the evaluation procedure.

The app offers you thumbnails from any Eufy cameras you might have put in and tapping on one take you to a are living feed from that digicam.

The S40 doesn’t file pictures frequently, however as an alternative captures a 10-second burst when movement has been detected. You can manually file pictures for on the other hand lengthy you favor by way of the app without delay for your cellular machine’s garage somewhat than the S40’s garage. But extended clips temporarily eat the SoloCam’s battery, which is why clips are so brief through default.

Still photographs from the digicam may also be captured and stored for your cellular machine.

Eufy SoloCam S40 daylight

In our trying out it took about 5 to 6 seconds for an alert to be gained to a cellular iOS machine following a detection. Tap at the notification and also you’re right away offered with a playable video recording of the incident.

It’s onerous to not be inspired with the 2K answer photographs equipped through the S40, with video from the 130° field-of-view lens delivered with readability and just right color steadiness.

Reassuringly, there are not any over-exposure blow outs when the digicam lens is positioned in direct daylight, whilst color pictures right through evening time when the usage of the 600-lumen highlight additionally seems to be nice – with clothes main points and tone as it should be captured.

The use of the flood gentle is, after all, somewhat taxing at the battery, so maximum customers will most likely forgo the usage of the sunshine and go for the night-vision mode which additionally delivers remarkable pictures, albeit in monochrome.

Audio efficiency from the microphone may be superb, offering transparent, distortion-free recordings even right through antagonistic climate.

The S40’s in-device AI identifies whether or not movement has been brought about through an individual or every other supply, with choices at the app permitting you to filter out if you wish to hit upon folks, animal or any vital motion registered through the machine. The S40 may also be set as much as best check in motion inside decided on task zones.

Somewhat disconcertingly, the app additionally provides the choice for “crying detection”, with its serve as now not totally defined within the significant other handbook.

Eufy SoloCam S40 night vision

The detection tech labored remarkably smartly right through trying out, with transparent thumbnails of detected people supplied with indicators when brought on. The best false alarm used to be a crimson hand towel left to dry on an out of doors faucet. This used to be detected as a human because it flapped within the breeze.

The app additionally permits you to create a recording agenda, configure indicators and use your phone’s mic for two-way conversation with somebody in vary of the digicam – a function which goes impressively smartly with little lag.

Controls for the integrated spot gentle brightness, tone and the 90db siren also are to be discovered inside the app. It’s price noting that the choice for manually turning at the gentle and the siren are buried in a sub menu – a ways from excellent will have to you temporarily want to deter a would-be intruder. They want to be at the primary display.

Eufy SoloCam S40 app

It’s additionally a pity that the sunshine is proscribed to brief bursts of utilization, fighting its use as an external gentle in your assets.

We examined the S40 right through a two month, mid-winter spell in persistently overcast Dublin – arguably the least beneficial set of stipulations for a photo voltaic panel this facet of Finland. During that duration the battery misplaced between 1 to two consistent with cent every day, with the remainder capability soaring round 63 p.c through the tip of our trying out.

This used to be with the machine partly geared toward a doorway, that means the digicam used to be brought on on moderate 14 instances an afternoon. According to the app’s at hand dashboard, right through that duration the photo voltaic panel equipped round 25mAh of battery replenishment an afternoon– equivalent to more or less 0.2 consistent with cent of the whole battery capability. Not an enormous contribution most likely, however now not unsurprising within the stipulations.

Eufy SoloCam S40 night colour with spotlight

The large query, and one we will be able to’t solution at this level, is whether or not the additional daylight within the spring and summer time is sufficient to stay it going with no need to manually recharge the machine. On the foundation of our trying out, it kind of feels most likely that the machine would want to be taken indoors and hooked as much as a charger inside the following couple of months.

This is through no imply a deal-breaker – and for the ones in sunnier portions of the arena it’s not likely to be a subject matter in any respect – however it reduces the ease of its key function for customers the place cloudy climate is the norm right through autumn and iciness.

Price & Availability

Eufy, a subsidiary of rising Chinese tech large Anker, garnered cast opinions for its wi-fi, battery-powered SoloCam E40 final 12 months which featured onboard garage and Wi-Fi.

The S40 builds upon the tech featured in that type, rather actually, with it being a miles larger machine with the intention to accommodate its photo voltaic panel. Unsurprisingly, it’s additionally costlier, coming in at £199 ($199/ AU$349.99), £60 costlier than the E40.

You can purchase it direct from Eufy in addition to from Currys and Laptops Direct.

See extra choices in our chart of the most productive indoor and out of doors safety cameras.


It’s onerous to make a complete judgement of the S40’s photo voltaic efficiency inside the time-frame of this evaluation – it unquestionably works, and we predict photo voltaic charging to be a non-issue right through the spring and summer time months. But what we will be able to’t say needless to say at this degree is whether or not it will final a complete autumn and iciness while not having to be manually recharged.

For some customers this gained’t be too large an inconvenience, however with the in a similar way specified, however solar-less SoloCam E40 ready to final for as much as 4 months earlier than wanting to be juiced up, that inexpensive type might make extra sense for customers in portions of the arena the place it’s not all that sunny.

This level apart, with its cost-effective subscription-free garage and slick app, the S40 is ready as hassle-free as out of doors safety cameras get.

Coupled with its very good image and sound high quality, cable-free versatility and ambitious AI detection, it delivers on its promise of being a in point of fact fashionable safety digicam.


Eufy SoloCam S40: Specs

  • 2K answer
  • Color Night Vision (8m)
  • 600-lumens highlight
  • Colour temperature 4000K—6000K
  • Built-in siren (90 dB)
  • Solar Power and Built-In Battery
  • 8GB emmc, 2 Months of Storage
  • Two-way audio
  • AI particular person detection
  • Alexa & Google Home Assistant
  • 50 x 114 x 50mm
  • 500g
  • IP67

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