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I thought I'd post this to help out my fellow diy battery builders. This battery box almost perfectly fits 4 x 304 (and 280ah as same size) batteries. The lid doesn't sit perfectly flush but it's not an issue as it sits on top of the batteries, so when you ratchet it down it holds it all tight...

Looks like it's coming to market next year too. However they're exchanged rather than recharged. https://www.dailymail.co.uk/news/article-7592485/Father-eight-invents-electric-car-battery-drivers-1-500-miles-without-charging-it.html

Leoch are a decent quality battery manufacturer and this new battery of theirs is a good price. Looking forward to someone ripping it apart. :D https://www.alpha-batteries.co.uk/12v-leoch-100ah-lithium-battery/

I just recently purchased the DALY 200A BMS separate port. My thinking was I need to pull around 140a maximum for an induction cooker, so this is suitable. I bought the separate port so that the charging side wasn't disconnected leaving the mppt disconnected from the batteries in an event where...