HELIOS 3600 Portable Power Station, 3600Wh LFP Solar Generator

After a few initial hiccups (the Helios units were likely damaged during shipping), Growatt replaced them rather quickly. Overall working to get these replacements wasn’t too difficult. I use my setup regularly to top off the family’s PHEV. We purchased 2 sets of main and backup batteries. The PHEV has a 13kwh battery. Using the Helios 3600 with our 10kwh Growatt whole home solar setup, we charge both these and home batteries. When we get off work, the sun tends to be down, so we can now charge the car without connecting to the grid (or inefficiently pulling from our 25kwh home backup batteries). Product: Pros: 1, A different set of outlets for pretty much any use. 2, Pushes and pulls enough power to charge fast enough that we can unplug the PHEV before bed time (3.5 hrs). 3. App provides a few option and data output that I find useful. 4. Growatt has steadfast honored their warranty. Send them a pic, short video, detailed statement and after a few verification questions, replacement is sent. 5. No Wi-Fi or Bluetooth needed for basic functionality. Cons: 1, These things are heavy (100lbs) and shipping can be rough on them. They are packed as good as possible. 2, EPS is either on or off you cannot choose which. If plugged in and 120v is running EPS is on also. Can only stop it if unplug unit (or use a timer). No app option 3, If using the combiner device to get full 240v, EPS turns off automatically. I get the purpose, but would be nice to have a choice. Overall I say five stars. Delivery seems to be the weak point, but I am not faulting Growatt for that. I would have, but because they do honor the warranty (even if it means having to ship back multiple units) I say five star service. Would I buy again, yes but I always reserve the right to update this review.

--- Pros --- Compact size for the amount of power. Fast charging. Solid build. Easy to use app. --- Cons --- Slight humming noise during charging, especially on 1200W+. --- Thoughts --- Quite a powerful battery. Used it to charge two laptops, e-bike, e-scooter, and battery pack all at the same time. Battery was shipped with 50%, used 18% in 4 hours (at the output rate of 20W to max of 311W) the above mentioned devices. Charging the battery back to 50% from 32% took less than 2 hours on 1800W charging through standard outlet. The buttons to enable/disable different outlets was more useful than thought. It also saves power by not having to keep all the converters inside enabled and running. The battery is heavy, but the build is sturdy and feels high quality. The wheels work fine on bumpy sidewalks. The display is useful in checking battery level, output power, and charging rate. The app (MyGro APP) is pretty easy to use. The dashboard page packs a lot of info about the current status of the battery, and just like with the actual battery, allows users to pick what type of outlets are enabled. Having the manual inside the app is also very useful, it saves time having to look up online for the model and make of the current battery. Only complaints for the app is text do not have enough contrast and some English translations being a bit too long for the space provided. Would like to see a revision with the handle moved to the opposite side of the wheels; that way people can pick it up with the handle even if it's turned over when lugging it. Also would like to see some changes to the Wifi/Bluetooth button; it is too easy to accidentally hit the button and turn off the connection. Perhaps making it a "hold to toggle" like with the power button would help? In that case, the enable/disable outlet buttons could also benefit from this feature. Overall, this is a well-built battery that can be used during power emergencies and outdoor use without hassle, along with its companion app that makes it easy to manage and monitor.

I purchased my unit in February of 2025 - it was an excellent resource to power my mobile business for the day and top off overnight in between daily service calls. The unit suddenly stopped accepting a charge from the wall power input. I reached out to customer support and they had me verify the issue via a short video and they sent a replacement unit extremely fast. Customer support is top notch. Couldn't be happier with the unit or their support. Would recommend to anyone looking for a portable power station that works within the specs of this machine.

So far these batteries are working out excellent. I can run a portable 8k BTU A/C for about 5 hours on one battery and one backup. Recharge time will vary. Cannot get the Bluetooth or Wi-Fi to work yet. When shipping, I ordered the main battery and the backup, they only tracked one box. So they showed up weeks apart with no clue when the second box would get there. 2nd issue is the operating guide is a little light on subject matter, especially on how to charge it and what all can charge it. They give some details but requires an internet search, and DO NOT USE the Anderson plug without a charge controller….. Overall I am definitely going to buy more, but my expectations and wallet have gotten lower.

Excelente producto

I tried to use this to power my pellet stove which doesn’t consume much power. The stove won’t even operate on it. Discovered this unit does not produce pure sine wave like other brands. A waste of money.

Day 1 of connecting it, I fully charged it with my solar panels, when I tried connecting to the ac, the button came on for less than a second, then immediately popped right back off again. The light showed green on the button and the icons displayed on the screen. I was able to connect to it through the app via bluetooth but it would not connect to wifi, the firmware is up to date. When I called customer support, I got disconnected the first time, talked to someone the second time that was literally ready to warranty it out as soon as I mentioned the problem. When I got upset about it being a bad product that they shouldn't be selling in the first place and the inconvenience it is to me, he started going through the troubleshooting, all of which is mentioned above, and that's literally the only thing he offered. When I requested to speak to a manager about the invonvenience of it all, he said the managers are in China, and they only respond via email. Don't waste your time or money, I was thinking about purchasing an expansion battery, so glad I didn't.

I am thoroughly impressed, definitely will be getting more like this to test. Ran my dad's large window unit over 12 hours before it hit zero. The only error was the estimated run time showed over 23 hours of capability, I was impressed with over 12 hours though honestly.