Uploaded October 2022 | Updated September 2026, 3 weeks ago

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Part 5 of the "Big Battery Build" of the 6x 280Ah LFP batteries that will power my boat!

In this video, we connect all six packs in parallel with each other. It turns out that my concern for the current transfer was, at least at this state of charge, wildly over-rated. :)

0:00 - Starting BMS A
1:12 - Starting BMS B - Different SoC?
2:15 - Starting BMS C
2:57 - Starting BMS D - A Buzz?
3:32 - Starting BMS E and F
4:40 - Deciding a Connection Order
5:32 - Connecting Battery B
5:55 - Connecting Battery A - Over-worrying?
6:21 - Connecting Battery D - No current?
6:50 - Connecting the rest of the batteries
7:25 - It's Alive!