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Stein Varjord

Hi John,
I’ve long thought that the majority of “drop-in” batteries should rather be named drop-out batteries. 🙂 As I see it, any lithium BMS, inside the battery or outside of it, that cannot communicate with the charging units is useless, just junk. Batteries or systems with such a BMS are proof that a swindle has happened.

Charles Hendricks

Are you sure? It says battery system not “the battery”. Doesn’t this mean a battery monitor installed that warns of temp, voltage, or current approaching an out of spec condition would meet this requirement?

Personally, I feel ABYC caved to drop-in manufacturers and really developed a weak and potentially dangerous standard.