Batteries, onduleurs, MPPT, certifications et guides techniques
January 2026, somewhere in the Scottish Highlands. It is minus eight outside. My portable power station has been in the car boot since the night before. I press the power button. Nothing. The screen flickers for half a second, then goes dark. The station shows 73% charge but refuses to start.
*Last updated: March 2026*
*Last updated: March 2026*
Last summer, I was parked up in the hills with my campervan, two `100 W` solar panels unfolded on the roof, and my station pulling `85 W` at midday. The bloke on the next pitch had the same panel. Just one. His station was pulling `95 W`. I thought I had misread the display. I checked. Three times.
I killed my first portable power station in 14 months. A Jackery Explorer 500, bought in 2022, standard NMC cells. After a year of daily use in my campervan -- full charge in the morning, drained by evening, every single day -- the capacity had dropped by almost 40%. The fridge lasted four hours ins
