Bluetti AC200P Won't Charge From 0% - How To Fix It Yourself

Our Bluetti AC200P got down to 0% and would not charge via solar nor gas generator with the charging block. In this video we show how to take it apart and fix the problem. Disclaimer- We are not electrical technicians nor do we know virtually anything about electronic repair. Repair yours at your own risk, we will not be held accountable should you be injured or worse. Thank you for watching.

[marlenemuhs]

I just watched your video today - impressive work !! My Bluetti is doing the same and won’t charge. Before I consider your process, I’d like to know how your Bluetti held up this year after doing this process. Thanks !!!

[mroldanmx]

this helped me a lot! thank you so much!

[goddardwb]

Bluetti when confronted with California's Right to Repair Law said their Texas repair center would repair fàulty AC200Ps.

[OverlandOne]

This makes no sense to me. I have the ac200p powering everything in my van including a window ac in summer and diesel heater in winter, and my fridge/freezer. I read on the bluetti forums, an official post by bluetti that said if you use pass through charging, like I do all the time, I have to resync the bms to the batteries once every 30 days. To do this, I am supposed to run it down to 0 power where it shuts off, and then charge it fully back to 100%. I have been doing this with no issues for 9 months straight as that is how long I have been on the road so far. Toward the end of each month, I can see the variation between what the bms says the battery charge condition is, and what it really is. Ex: charging from solar with 600 watts input and the bms says 80% charge then, 5 minutes later, it stops charging as it says 100%. So, I know that should have taken an hour to do, not 5 minutes. Also, when I start using it at 100% charge, 5 mintes later it is down to 80% with a small load. Once I go through the proceedure as instructed by bluetti, then, all is well again until about a month or so later. My long point here is that you must have had your unit at 0 for a long time and it discharged down below what it takes to run the bms, just like you said. Otherwise I dont see how running it until it shuts off is bad as that is how you sync the bms IF running pass through like I do every day-charging from solar while discharging running my fridge, ac, etc. Excellent video on the teardown, thanks. I hope I never have to do that but, Im saving your video just in case.

[nritti_]

I just received an ac180 and the circuit protector reset button on the side is completely missing.

[byronmorris]

The BMS shuts down when the battery is too cold to charge it. If you heat the battery would it start then?

[viuvenitlalumina]

what else you have as alternative? nothing? it requires some compensations from consumer protection for the fault,

[viuvenitlalumina]

seem like one șingle solar panel can cause a problem, i suggest use more solar panels, have you tried getting additional panels

[simon]

What kind of charger do you recommend getting? 12 V, 24 V, 48 V?

[jimmyt]

Mine just failed when most needed now wont charge with 740watts of solar going to it, now tryinga generstor with chsrger, i feel that having a pool filled with diesel and a generator is the way to go . This solar crap sucks dont work when needed

[Godsoldier]

I won't buy from them again, my new one died completely and it wont charge at all now, i guess my fault for letting it get completely drain but there should be options to solve the issue, i might have to do the same, i have the small EB3A

[genonote]

Why are you charging below 32 degrees?
That's not good for lipo battery life.
You might have damaged your battery charging below freezing.

[James-kesx]

This doesn't make sense to me. The company says you should bring it down to zero every 3 months and then charge it up from there. If every single unit broke down worldwide because people dropped it down to zero charge every single unit would stop working throughout the entire world

[grindychum]

You said it was brought down to zero- how long did the unit sit at zero % ? Days?
No power station should ever sit at zero percent. No power station should be charged below freezing - wether its Lithium ion or LIFEPO4.

[mrouts]

Me neither. Won't buy from them again.