[RE-wrenches] Blue Ion BMU issue request

Sindelar Solar Allan at sindelarsolar.com
Thu Dec 4 14:24:37 PST 2025


I've been retired now for a bit less than three years. I've not kept up 
much with the twists and turns of the solar coaster, except for staying 
on the Wrenches list as mostly a lurker. In October, I received the 
message from Blue Planet Energy to Blue Planet dealers about the 
impending unavailability of replacement BMUs for Blue Ion home-scale 
battery systems, and offering me the opportunity to buy spare BMUs for 
my customers for the closeout price of $1,000 each. After communicating 
with my former sales rep at Blue Planet, I sent BPE's message on to my 
seven former clients who purchased Blue Ion LiFP battery systems, all 
but one of which went in as upgrades to existing off grid systems. I 
included a cover message explaining what this is about but without 
encouragement for or against buying a spare BMU. To the best of my 
knowledge, these Blue Ion systems have performed well, and I have heard 
of no BMU troubles. Of course, they'll ask me what I would do, which is 
why I'm posting here.

Have you had any Blue Ion battery or BMU failures? If so, how many 
systems have you installed, and how many failures have you had? What 
failed, and what did you do to resolve the issue? If you replaced a BMU, 
was the process straightforward, and were you given a complete set of 
documentation with the unit? Was the factory warranty process honored?

On a related track, how have you responded to Blue Planet's offer? Does 
it come across as a valid solution? Have you bought one or more spare 
BMUs? How are you supporting your Blue Ion customers going forward? Have 
you received support of any kind from Blue Planet?

And finally the wild card questions: Is anyone considering investing in 
a stock of BPE BMUs for private out-of-warranty dealer support? And has 
anyone here explored adapting the BMU from another LiFP battery or BMU 
manufacturer?

I'd like to spark a discussion here, so that all of us who installed 
Blue Ion systems may offer better informed advice to our customers (and 
to my former customers).
Thanks, Allan Sindelar
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