Roger Roberts

Roger Roberts

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@RogerRoberts85

Joined Jul 2025
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Overview Reviews (0) Posts (5)
Orion 12-12 30A dragging starter battery DOWN!
@DownsCruiser your post got clipped but I'm fairly sure I know what you're describing — the Orion pulling the starter battery down even when the engine's off and solar is doing the heavy...
in DC-DC Chargers 3 hours ago
Narrowboat 12v system keeps tripping after fitting the new inverter
Great points from @Smithy98 and @FellKev already. I'd add that on narrowboats specifically, the cable runs from the battery bank to the inverter are often longer than people realise once you...
in Marine & Boat 1 day ago
Mixing panel wattages on a single MPPT — anyone actually done this?
Great thread, @PaddyGibson. One thing worth adding to what's already been said — pay close attention to the Isc (short circuit current) differences between your 200W and 400W panels before wiring...
in Solar Panels & Controllers 2 months ago thumb_up 9
Anyone else had their BMS cut out in cold weather? Trying to figure out if it's the BMS itself or my cells
RogerRoberts85 | 847 posts @OllieGraham91 Classic cold weather issue, this. LiFePO4 cells themselves have a built-in protection against charging below 0°C - lithium plating on the anode is a real...
in Batteries & BMS 3 months ago thumb_up 5
Anyone else had issues with MPPT controllers dropping connection in cold weather?
Great thread, this. @WattRoger I'd add something nobody's touched on yet - check your battery temperature sensor if you've got one fitted.
in Solar Panels & Controllers 3 months ago thumb_up 7