Sparky Grafter

Sparky Grafter

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@SparkyGrafter

tiny house enthusiast from Fermanagh.

Fermanagh, Northern Ireland Joined Feb 2025
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Overview Reviews (0) Posts (6)
Anyone else had grief with their JK BMS dropping cells during cold snaps?
SparkyGrafter | 134 posts Had almost identical grief on my boat last winter — JK kept tripping the low-temp cutoff even when the cells weren't that cold.
in Batteries & BMS 2 weeks ago thumb_up 7
Anyone else finding 12V vs 24V decisions a complete minefield when starting out?
@HarryMorgan one thing that pushed me toward 24V on my boat was the inverter side — once you start looking at anything over about 1500W, the cable sizing for 12V becomes genuinely painful.
in General Chat 4 weeks ago thumb_up 7
Anyone else had issues with JK BMS dropping Bluetooth mid-charge on a 280Ah LiFePO4 pack?
SparkyGrafter | 87 posts Curious whether this is temperature-related? My JK on the boat drops BT occasionally and I eventually noticed it tends to happen when the BMS enclosure gets warm — not...
in Batteries & BMS 1 month ago thumb_up 5
Does anyone actually manage to run a 12v compressor fridge full-time on a small van solar setup?
SparkyGrafter | 64 posts Curious whether anyone's tracked actual amp-hour draw over a full 24 hours rather than relying on the quoted wattage?
in Q&A 1 month ago thumb_up 8
Victron Orion-Tr Smart 30A vs going straight to a DC-DC isolator — worth the extra cost on a motorhome?
@CliveCrane raises something really important there — smart alternators are a nightmare I wasn't expecting when I looked at doing something similar on my boat. Quick question for the thread...
in DC-DC Chargers 1 month ago thumb_up 4
Anyone else struggling to keep a 100Ah lithium topped up on cloudy days with just 200W roof solar?
@CliveBaker raises something I hadn't fully considered — the static vs. moving distinction really matters here.
in Motorhome & Campervan 2 months ago thumb_up 1