Marlec iBoost+ Solar Diverter UK Review (2026): Price offers a detailed analysis of this innovative device designed to optimise solar energy usage in homes across the United Kingdom. This article delves into how the Marlec iBoost+ Solar Diverter UK Review (2026): Price can help homeowners maximise their savings by diverting excess solar power to heat water or charge batteries, thereby reducing reliance on grid electricity and lowering utility bills. With a focus on affordability and efficiency, this review highlights key features such as smart technology integration and user-friendly installation processes that make it stand out in the market.
BS 7671:2018 Amendment 4 compliant** (the wiring regulations updated in 2026 that legalise plug-in mains battery storage). The Marlec iBoost+ Solar Diverter should be - confirm on the product page BS 7671 A4 compliant.
Other regulatory considerations:
- Smart-meter compatible: SMETS2 smart meters are required for tariff-optimised charging schedules to work
- 800W max: All plug-in mains generators / batteries are capped at 800W per device for thermal safety
- 0.1s auto-disconnect: device must shut down within 100ms if unplugged or grid power fails
- Network registration: streamlined online form (no longer requires DNO approval for plug-in devices below 800W)
Compare to alternatives
See our solar diverter comparison page for side-by-side specs of every UK-available product in this category.
Related guides
Sources
- Marlec published specifications
- UK BS 7671:2018 Amendment 4 wiring regulations
- Ofgem Time-of-Use Tariff Database
- Octopus Energy public tariff list
- Sunday Times reporting (May 2026 plug-and-play battery legalisation)
