Description
xREAL-TIME SOLAR MONITORING SYSTEM – NO MONTHLY FEES – READY TO USE - Raspberry PI 4 & Solar Assistant - SPF Growatt Inverters
PROFESSIONAL ONLINE MONITORING FOR SOLAR PV SYSTEMS
Take full control of your solar energy system with this powerful, plug-and-play monitoring solution, based on the new Raspberry Pi4 with 2GB internal memory. Fully pre-installed software and hardware in a compact plastic enclosure – no subscription or renewal fees. Ideal for live monitoring of inverters, battery systems, and shunt resistors. Now we provide two power supplies: Mains 230V to 5V & DC-DC (9-60Vdc to power the controller from any battery terminal).
The USB cable is engineered to work with the SPF communication port of Growatt inverters , it is also included in the package. The life-time license will help the user to remotely control and inspect their inverters using the Wi-Fi or ethernet connection.
COMPATIBLE WITH
- Inverters: Growatt SPF Series Complete Kit
- Pylontech Lithium Batteries (US2000C, US3000C, US5000C)
- (additional cable required)
✅ WHAT'S INCLUDED
- 1x Raspberry Pi 4 Box (1.8GHz Quad-core, 64-bit processor)
- Communication Cable to Monitor your off-grid SPF 5KW Growatt
- 1x DC-DC Power Supply (9V-60V input, USB-C 5V/3A output)
- 1x 230V Mains Power Supply to USB-C 5/3A
- 1x Lexar 32GB MicroSD Card (Preloaded Software)
- Black Enclosure, fully assembled in Aluminium with cooling pads inside
- 2GB RAM, 8GB onboard eMMC
- WiFi 2.4GHz/5GHz, Ethernet 1Gbps
- 4x USB Ports
POWERED FROM YOUR BATTERY
Direct battery connection allows continuous monitoring—even during faults or AC loss. Suitable for 12V, 24V, and 48V systems. No AC adapter needed.
CLEAR, USER-FRIENDLY GRAPHS
Data is displayed in real time with simple visual charts—no programming or complex maths required. Monitor trends, power usage, and system health at a glance.
EXPANDABLE & CUSTOMISABLE
Need to monitor multiple inverters in parallel? Additional communication cables can be added. The system also supports Victron Smart Shunt with VE.Direct-to-USB connections.
The Raspberry PI 4 is connected to the Wi-Fi or directly to the local area network (Ethernet)
Complete Package for Easy Setup
The Raspberry PI 4 device comes fully loaded with solar monitoring software and housed in a durable plastic enclosure. The license fee is included—no annual fees or renewals. We’ve also included a special RJ45 to USB cable compatible with Voltacon inverters for hassle-free communication.
With this package, you'll have everything you need to collect data and monitor your system remotely.
Power Supply Options
Option A: 9-60V DC USB Power Supply
Ensure uninterrupted monitoring by powering your device directly from your battery, even if the inverter disconnects or enters fault mode.
- Suitable for 12V, 24V, and 48V batteries
- 9-60V DC input via 10mm ring connector
- 5V 3A USB type C output
- Length: 2.5m
Option B: Official Raspberry Pi Power Supply
A high-quality, stable power supply for 24/7 operation. Includes four interchangeable mains adapters for Europe/South Africa, UK, Australia, and the USA.
Communication Port of Solar Inverter
All off-grid and hybrid inverters are equipped with a serial communication port. Our new inverters come with an RJ45 COM port for easy communication. The older models use the classic RS232 port.
Compatible with Victron Smart Shunt Resistors
For precise current and voltage measurements, Solar Assistant is fully compatible with Victron Smart Shunt resistors (500mA and 1000mA). Simply connect using a VE.Direct to USB cable. It’s a plug-and-play setup—no programming needed!
Return Policy
xWe offer a 14-day, no-quibble returns or replacement policy because we want you to be totally satisfied with your purchase.
If you are unhappy in any way with your purchase, you can return it for a refund or a replacement, as long as you return it in the same condition as it arrived (original/undamaged packaging and product) and within 30 days of receiving it. We will pay for your return postage on a faulty item as long as you send it using Royal Mail 2nd class recorded delivery (for EU or International Shipments, you have to use our UPS account, we will provide you with a return label)
Please keep in mind the following:
- Non-faulty items returned after 14 days and/or not in their original, undamaged packaging can only be exchanged for store credit - 15% off the items returned.
- Items returned within 14 days but not in their original and undamaged packaging will also incur a -15% charge per package.
- If you return an item that doesn't adhere to our returns procedure or doesn't include a returns form, you may be liable for a £10 administration fee
- Individual items from a bundle can't be returned, refunded or exchanged. If you want a refund/credit/exchange for a bundle, all items must be returned to us.
Before you return your item, please make sure that:
- You follow our returns process (outlined below)
- The goods and packaging are undamaged
IMPORTANT: We need to be able to identify an item with your order. We can only do this if you follow our returns process. Please do not send us items back that do not follow this process as they cannot be identified properly and will not be replaced or refunded.
What delivery method do I need to use when returning an item?
You must send the goods back to us via Royal Mail 2nd class recorded delivery. Refunds on faulty items returned are reimbursed within 5 working days.
Can I return just one item from multiple purchases?
Yes. Once you start the returns process you will go to a page that will allow you to choose which items you want to be replaced or refunded.
Returning faulty goods
If your item is faulty, you need to follow the returns policy, where you will be able to state that it’s faulty. The product will then arrive at our warehouse for testing.
If your purchase is not within 14 days
You can still exchange your item for a different product or for credit to use on the Voltacon Solar or Ledison-led-lights.co.uk websites (-15% from the credit amount).
Returns outside of the 14-day period do not qualify for the free returns policy.
Returning an item within the warranty
If you have a warranty and want to return a faulty item, you just need to follow our standard returns process. When we receive your item, we will then check that it’s within warranty and for any faults before arranging a replacement.