Hey everyone,
I’m sharing an ongoing issue with my residential Enphase system and wanted to see if anyone else in the community has experienced a similar failure rate. The trust on Enphase product was from 100% to 0%. Looking for a buy back since there have been so many issues.
For context, I run an Enphase solar array paired with IQ Battery units. Unfortunately, I have had two separate battery hardware failures within a span of less than two years. The Enphase App shows the entire system as normal, and you have to really monitor that the system is actually operational. The batteries fail to charge or discharge and the App showed normal status - cannot trust it!
Here is a quick summary of the situation:
First Failure: September 2025, the battery was not discharging resulting in a complete hardware replacement under warranty.
Second Failure: August 2026, exhibiting critical fault codes and not charging, requiring yet another replacement. One one battery had a critical error, the second battery was also not charging, despite showing “green” and normal.
Current Status: I am currently in discussions with Enphase support/escalations all the way to the CEO (gotta hold them accountable), pushing for a deeper engineering review of my site parameters, warranty continuity terms, or long-term equipment reliability guarantees given that hardware isn't lasting through its initial operational window - Enphase has a 15-year life-cycle on these batteries. I’ve also involved the California Attorney General and the California State License Board for formal review. Next level would be a lawsuit - just going through all the proper channels first and giving Enphase the opportunity to make it right.
While the warranty replacement process has technically moved forward, having core storage hardware fail twice in such a short window severely impacts system reliability and ROI, especially when relying on backup and time-of-use optimization. And the Enphase App is so deceiving since both times the App showed the system was operating normal.
My questions for the community:
1. Has anyone else experienced repeated hardware failures with the IQ Battery 5P generation? If so, did Enphase pinpoint an underlying root cause (e.g., thermal management, firmware bugs, or specific batch defects)?
2. If you’ve had to push past standard tier-3 support for a hardware lemon or repeated failures, what was the most effective channel or escalation path to get a resolution beyond standard RMA swaps?
- Anyone having success to have Enphase with buyback? I am at the point of getting a new system with an entire new company and drop Enphase - I no longer have confidence in this company. Any suggestion for replacement?
Appreciate any insights or shared experiences!