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So i have a nearly 2month old pack working ok.partially offgrid. With 3600w of solar supporting charging.inverter was set to charge cells to 3.55v So owner moved it to a new location with stable grid and pack ended up cycling very light and staying at fully charged state for extended periods of...

So i have a daly 250amps 48v bms. Used for 16 x 280ah rept cells. Everything worked ok until recently i attempted connecting via bluetooth and the display was stuck. I learnt unplugging the bms could reset the software, and i unplugged and replugged the bt dongle..everything worked ok, till...

Am looking for a device which can log the daily energy usage , for an offsite location. no wireless or cellular networks, so a user can visit the location every 1 or 2 weeks and scroll through to see the individual daily energy usage. does such a device exist? @ affordable cost

So this issue has been thoroughly discussed, but i have gone through so many bms threads, am getting a lil confused. so here is my planned setup. IST INSTALL 8 x 280ah 3.2v lifepo4 cells, 1.5kw 24 dumb inverter. max load on the setup is a 250w submersible pump. / 4 x 280w panels connected to a...

So, i recently observed that 1 battery in a 48v series setup is spiking to as high as 15.8v just before float, this lasts for 30mins to 90mins. other batteries in the string will be at 14.3v, while the runaway battery will be at 15.8v or higher, is there a way i could rein this battery back...

So, am looking for a simple solution to an otherwise special challenge. Am looking for a portable device that can be connected to a power source to limit the daily kwh usage of a supply. to elaborate further. something you can preset say 5kwh daily, so if user hits kwh, it will cut off supply...

I have 4 x 12v 220ah luminous fla batteries, that have served me since 2016. they are hooked up to a mustpower 48v 4kva inverter, on charge settings 58v absorb and 53,2v float 23amps max charge current and i manually equalize @ 61v for some hours every month or so, am partially offgrid. recently...

I am new here, was researching on best way to go about my setup. I have a 12v 200ah battery, powered by 2 x 250w mono panels in series, hooked up to a 50amps, 12v/24v fangpusun mppt charge controller. all this connected to a 12v 850va inverter. Now i want to add a submersible pump to the mix...