A DIY Nightmare
A DIY Nightmare – No Support, No Manuals, No Help If you are considering the Growatt SPH 6000TL BL-US, be warned: do not attempt to install this yourself unless you have a direct line to a specialized Growatt technician. The Issues: Abysmal Installation Manuals: The provided instructions are extremely poor. They are vague, poorly translated, and skip over critical configuration steps. There are "quirks" and specific settings required for the 48V battery integration and EPS (Emergency Power) setup that are simply not documented. Expertise Required (But Not Provided): This unit effectively requires a professional Growatt installer who already knows all the unwritten workarounds and system "bugs." If you aren't already an expert on their specific ecosystem, you will spend days troubleshooting basic setup errors. Non-Existent Technical Support: This is the most frustrating part. There is absolutely no after-sales service. Once they have your money, you are on your own. I have tried reaching out for technical guidance on the "Comms" and "Voltage" issues I'm seeing, and it is total radio silence. Zero Accountability: Without a dedicated support line or a responsive service team, you’re left with an expensive wall ornament if anything goes wrong. Verdict: The hardware might look good on paper, but the lack of documentation and the total absence of technical support makes it a massive liability. Save yourself the stress and buy from a brand that actually stands behind their product and provides clear instructions for their users. There's absolutely no WiFi configuration directions for the internal board setup. I've given up on this.