diy solar

diy solar

ac50s won't charge ?

Carry_On_Roaming

Electrical Engineering Lecturer
Joined
Jan 13, 2022
Messages
3
Location
Kent, UK
My Bluetti / power oak ac50s (just under 2yrs old) seems to have stopped charging whatsoever, from car, solar or mains brick. Been searching high and low on net and YouTube etc, can't find a fix, anyone had any ideas?

Ive opened it up to double check anything obvious, the battery fuses are ok, connections look ok, and no "obvious" burnt/damaged components. Ive checked the input (to rule out connector issue) and input voltage is getting to circuit board just fine.

Checked the battery pack by unplugging it, its currently reading 9.87v, to be honest not sure what its mean tot be, as not yet wanting to rip the whole thing apart to see cell arrangements.

Hoping someone has some ideas, else its scrapheap and maybe the cells could be salvaged for something?
Thanks
 
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