Been through this on the boat. Modified sine works fine for basics — charging, heating, lights. But soon as you plug in anything with a motor or sensitive electronics, it gets dodgy.
Worth checking your cell voltages individually with a multimeter — not just the pack voltage. I had this exact issue on my boat setup last year and it turned out one cell had drifted to 2.8V while...
Not worth the hassle, honestly. Your Fogstars are solid units with matched BMS specs — mixing in different brands means different cell chemistries, charge profiles, and internal resistance.
We use essential cookies to keep you logged in and provide core website functionality. We do not use advertising or tracking cookies. See our Privacy Policy for details.
Cookie Details
Session cookies (strictly necessary): These cookies are essential for the website to function. They keep you logged in and maintain your session. They are automatically deleted when you close your browser. These cookies do not require consent under UK GDPR/PECR.
Local storage: We store your cookie consent preference and some UI preferences in your browser's local storage. This data never leaves your device.
Report an Issue
Thank you for reporting this issue. We'll review it as soon as possible.
