Photo voltaic panels are extra environment friendly than ever, with shopper choices now able to changing as much as 25 % of the daylight hitting cells into electrical energy. However these effectivity charges assume that the panels are pointed straight on the solar, which is never the case throughout its arcing trek throughout the sky.

The EcoFlow Photo voltaic Tracker solves this with a self-powered, motorized robotic arm that retains your photo voltaic panels at an ideal 90-degree angle to the solar. Its sensor locks onto the solar routinely from nightfall to daybreak, inflicting the two-axis machine to carry and switch your photo voltaic panels in excellent concord. This leads to 30 % extra power produced by your present panels, in line with EcoFlow.

Be warned, although: this chatty robotic prices $3,399. It additionally isn’t practically as transportable as the corporate claims, and it received confused by clouds and reflections in my week of testing.

EcoFlow describes the Photo voltaic Robotic as transportable, saying it may be “collapsed, folded up and transported with ease.” It backs up the declare with a poorly photoshopped picture on its product web page of somebody casually carrying your entire meeting in a single hand — by the fingertips, no much less. The picture is a lie.

To begin with, the Photo voltaic Tracker weighs 55 kilos (25kg) with out the panels put in. That makes it a two-person job to maneuver the unwieldy robotic. And even with the panel arms folded down, it’s a lot bigger than that picture would have you ever imagine, measuring about 25.5 x 56.5 x 40 inches (65 x 143 x 101cm).

It took me about 2.5 hours to completely assemble the Photo voltaic Tracker and modify the arms to securely maintain the EcoFlow photo voltaic panels supplied by the corporate for testing. You’ll want to partially disassemble it into two items to soundly transport the tracker up and down stairs or inside a automotive. Fortuitously, separating the body that holds the photo voltaic panels from the robotic arm may be completed in only a few minutes by unscrewing a handful of finger-friendly bolts. Nonetheless, the EcoFlow Photo voltaic Tracker is about as transportable as a 65-inch tv; certain, you may transfer it (rigorously), however it’s not one thing you’ll wish to do ceaselessly.

The robotic ensures most effectivity.

The sunshine sensor thought this reflection was the solar.

My take a look at setup was already pushing the definition of portability to the intense. I used a 35.3 pound (16kg) 400W folding photo voltaic panel from EcoFlow that measures 42 x 94.1 x 1 inches (106.8 x 239 x 2.4cm) unfolded, or 42 x 24.4 x 1 inches (106.8 x 62 x 2.4 cm) when folded inside a carrying case that additionally serves as a kickstand. That big monocrystalline silicon panel was then wired to the robotic, which fed the collected energy to a 100 pound (45kg) Delta Professional transportable battery, EcoFlow’s top-of-the-line energy station fitted with a telescoping luggage-like deal with and wheels for simpler transport. The $1,199 photo voltaic panel and $3,699 battery make for a critical energy generator for folks with critical off-grid energy wants. Including the $3,399 Photo voltaic Tracker to the combination makes the entire thing extra everlasting and environment friendly.

On sunny to largely sunny days, the robotic works nice. The Photo voltaic Tracker springs to life simply as quickly because the rising solar hits the raised gentle sensor, inflicting the bot’s two-axis arm to swing the photo voltaic panel into the optimum angle to gather daylight. This enabled the 400W panel I used to be utilizing to provide between 310–330W of steady energy to the Delta Professional battery all day lengthy with out struggling the peaks and valleys of energy you get from having to manually reposition transportable panels each few hours. The robotic did all of the work, powered by an inside battery that’s stored charged by the photo voltaic panel.

On cloudless days, the Delta Professional’s 3.6kWh capability battery was charging at a fee of about 10 % per hour. The Photo voltaic Tracker fitted with the 400W panels can simply energy a laptop computer, cellphone, transportable fridge, fan, and Starlink web with sufficient residual power left over to maintain the battery topped up at one hundred pc to proceed the get together lengthy after the solar units.

The monitoring’s not foolproof, nevertheless. Removed from it.

As soon as I watched my take a look at robotic grapple with the solar reflecting off an aluminum strip that frames the constructing subsequent door. It wasn’t till I shaded the sensor from the reflection with my shirt that it locked onto the big ball of burning plasma within the sky.

Clouds additionally proved to be a difficulty, as you may see within the timelapse beneath. The Photo voltaic Tracker awakened tremendous on this notably sunny morning however misplaced its lock on the solar a couple of hours later after the clouds rolled in, inflicting the robotic to beep incessantly to tell me it was in search mode. It did this repeatedly all through the afternoon, beeping repeatedly. Weirdly, when the robotic loses monitor of the solar, it doesn’t fall again to an estimated trajectory. As a substitute, it acts just like the solar fell from the sky and desires to go looking your entire hemisphere to search out it once more, beeping all of the whereas.


Watch because the clouds roll in and defeat the solar tracker inflicting the robotic to hunt your entire sky.

One hunt I witnessed resulted within the tracker beeping nonstop for at the least 5 minutes at a fee of 1 beep per second. That beeping proved to be such a nuisance over the course of the day that two neighbors rang my doorbell to complain. (Right here in Amsterdam, air con is extraordinarily uncommon, and open home windows are the norm.) I lastly needed to unplug the rattling factor out of courtesy earlier than resuming my testing a couple of days later after the cloudless skies returned.

The robotic is programmed to beep repeatedly when powering on, powering off, looking for gentle, or returning to the beginning place. I do know it’s for security, alerting anybody close by that the monstrosity is transferring. However this isn’t a five-ton supply van backing up blindly, and you may already hear the motor anytime the slow-moving robotic is energetic. Sadly, there’s no approach to flip off the beeping both manually or by way of the EcoFlow app. Too dangerous as a result of it makes the photo voltaic tracker unusable on my rooftop terrace, a spot that would actually profit from a photo voltaic tracker and battery combo after I renovate it, thereby avoiding the time and money required to wire the house with electrical energy.

EcoFlow says that it’s attainable so as to add an choice to manage the audible alerts by way of a future firmware replace. But when noise is a dealbreaker for you, then I wouldn’t guess $3,399 on a possibly.

Different worthwhile mentions:

  • EcoFlow says the robotic can stand up to wind speeds as much as 30mph (50kph).
  • It has an IP54 ranking, that means it’ll resist rain and mud, however you shouldn’t hose it down.
  • EcoFlow says the Photo voltaic Tracker can be fitted with versatile or inflexible photo voltaic panels from a wide range of third-party producers, as long as the panel weighs below 55 kilos (25kg) and measures lower than 43 inches (1.1 meters) in width.

As an idea, I’m fully offered on the Photo voltaic Tracker’s skill to optimize the conversion of daylight hanging photo voltaic panels into energy. Regardless of EcoFlow’s declare of portability, its weight and unwieldy measurement make it greatest suited as a semi-permanent set up at a busy job website or distant cabin, for instance. Anyplace the place these continual beeps received’t annoy your neighbors.

Photo voltaic charging anxiousness for anybody going off-grid for a weekend or longer is as actual because the vary anxiousness felt by EV homeowners. And having to consistently reposition transportable panels in direction of the solar all day lengthy to optimize charging is a tiresome harsher of the elusive mellow all of us search. A really transportable monitoring robotic that maximizes the effectivity of the transportable panels utilized by space-starved van-lifers and weekend automotive campers could be most welcome. Sadly, the Photo voltaic Tracker isn’t that, regardless of EcoFlow’s claims.

Images by Thomas Ricker / The Verge



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