ChrisSwolls
New Member
Ok, I’ll try to line this out as clearly as possible but….I was a Marine so, little uhhh…I’m a little slow lol.
Ok, 6000XP: unit was originally commissioned with AGM batteries, dude great minus SOC discrepancies with that setup.
4/28: I got (2), lifepower 4’s, updated firmware with the auto/quick flash setup from signature, update went well.
4/29: ran offgrid starting at 0800. Batteries charged from 50-ish% storage SOC up to 100%. System ran great all day. Stayed off grid all night, batteries got down to around 27% SOC before PV input on 4/29.
4/30: System started charging around 0645 with a little input, got to around 60% by 9:30am.
(2) more lifepower 4’s arrived at 10-ish am. System shut down, new batteries installed. (2) existing were around 64%, (2) new were around 52% SOC.
Fire the system back up and all is well- for awhile at least.
Of the 2 original batteries I had, the #1 or top slot had issues consistently reading on address 0.
I used BMS to monitor them throughout the day, the 2 new batteries caught up to the 2 existing, all SOC’c were within a few points of eachother. The 0 address battery (#1 in the stack) was again having issues, connecting and disconnecting from BMS.
I reversed the dip switch order thinking it would help, starting at the bottom (#4 battery, now setting it as the #0 address) and moving up from there, inverter comm cable was at the top, now the #4 battery. This is where things went sideways….
EPS cut off probably 8 times. PV input was around 5kw, batteries were charging at 3.5-ish Kw. BMS has pretty much all of them on over volt warning and protection, highest cell was 3.5x V.
I switch the system back to how it was, 0 at top moving down and EPS keeps cutting out, inverter keeps trying to charge the stack even though BMS is reporting 100% on all.
Call signature, set batteries to lead acid and currently discharging all night to see if the inverter and BMS’s start working together but who knows.
Long post, sorry, tried to break it up in order so it made sense. Any ideas why the inverter would be force charging, causing the over volt issues and more so, why EPS would cut off?
Ok, 6000XP: unit was originally commissioned with AGM batteries, dude great minus SOC discrepancies with that setup.
4/28: I got (2), lifepower 4’s, updated firmware with the auto/quick flash setup from signature, update went well.
4/29: ran offgrid starting at 0800. Batteries charged from 50-ish% storage SOC up to 100%. System ran great all day. Stayed off grid all night, batteries got down to around 27% SOC before PV input on 4/29.
4/30: System started charging around 0645 with a little input, got to around 60% by 9:30am.
(2) more lifepower 4’s arrived at 10-ish am. System shut down, new batteries installed. (2) existing were around 64%, (2) new were around 52% SOC.
Fire the system back up and all is well- for awhile at least.
Of the 2 original batteries I had, the #1 or top slot had issues consistently reading on address 0.
I used BMS to monitor them throughout the day, the 2 new batteries caught up to the 2 existing, all SOC’c were within a few points of eachother. The 0 address battery (#1 in the stack) was again having issues, connecting and disconnecting from BMS.
I reversed the dip switch order thinking it would help, starting at the bottom (#4 battery, now setting it as the #0 address) and moving up from there, inverter comm cable was at the top, now the #4 battery. This is where things went sideways….
EPS cut off probably 8 times. PV input was around 5kw, batteries were charging at 3.5-ish Kw. BMS has pretty much all of them on over volt warning and protection, highest cell was 3.5x V.
I switch the system back to how it was, 0 at top moving down and EPS keeps cutting out, inverter keeps trying to charge the stack even though BMS is reporting 100% on all.
Call signature, set batteries to lead acid and currently discharging all night to see if the inverter and BMS’s start working together but who knows.
Long post, sorry, tried to break it up in order so it made sense. Any ideas why the inverter would be force charging, causing the over volt issues and more so, why EPS would cut off?