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Markus Hoffmann

Author

Markus Hoffmann

Tech editor & DIY enthusiast

Covers mobility, energy and outdoor tech for 8+ years with a focus on practical buying guides for camper, smart-home and solar gear. Runs a 24V LiFePO4 setup in his shed since 2023, powering tools, a freezer and the occasional motorhome top-up.

More articles by Markus (2)

Why I'll Never Spend £1,700 on a Power Station Again — My 2000W DIY Solar Setup (instead of EcoFlow & Jackery)

My 2000W DIY solar setup with LiFePO4 leisure battery, Victron MPPT charge controller and a 400 W foldable panel for around £850 — more usable kWh per pound than any pre-built power station. Complete UK bill of materials, step-by-step wiring, and an honest side-by-side with EcoFlow DELTA 3 Plus and Jackery Explorer 2000 v2.

21 May 2026

I Charge My House for 5p/kWh and Use It at 35p — My £900 Octopus Agile Battery Arbitrage Setup

How my £900 portable battery + Tapo smart-plug setup exploits Octopus Agile's overnight cheap rates (sometimes negative pricing) to slash my electricity bill 40% — no DNO paperwork, no MCS installer, no G99 application.

21 May 2026