Most reacted threads

I have complained to BSL about some batteries that seem to just not keep sync with the bank. The configuration consists of 8 X BSL Powerline - 5. 5KW slimline models. One battery in particular always behaved strangely. This battery would always charge fastest and discharge slowest. Seeing this...

Hello Can anyone shed light on sunnyboy grid tie inverter ? Here is what I would like to achieve. Use a grid tie inverter but disable the ability to send power to the grid. Can this function be disabled in sunnyboy or any other grid tie you know of? I am looking about 6 - 8KVA Thanks

Hello everyone I thought I will give you all an update here on a purchase of BYD battery packs. I purchased 16 BYD battery packs from Batteryclearinghouse and received them last friday. The voltage test ranged from 25.3V to 26.2V. I thought this was very interesting. I am trying to get some...

Hello all Can anyone point me to where I can purchase luxpower dongle in USA? I need specific luxpower. Not eg4. I am told they are different.

Hello all I have 3 brand new 10KW powerwalls from a chinese company called youth-power. 2 of them will always charge to 100%, one will always stop at 99%. These are connected in parallel to an 8KW DEYE hybrid inverter. By mid day, the batteries reach 99% and it will stay there for next 4 hours...

Hello Can some you all chime in here so I can get your opinions. I am testing 8 X 5KW BSLBATT (Powerline USA version) battery packs. These are all connected in parallel via 2 bussbars. The issue here is that if they get fully charge, the SOCs of all the batteries will be relatively close...

Hello everyone. Can anyone shed some light on a condition I have experienced. Have an 5.5KW inverter with 4000 watts of panels, off grid. The inverter charges the batteries fine from the solar. There is a small 2kw gasoline generator that will pass power through the generator when connected to...

Hello What are the available BMS options for BYD LiFePO4 48 volts (2 in series). Any suggestions on 16S BMS for this as opposed to 2 X 8S BMS. What are your suggested current rating? Any available in USA ? Thanks

What are your thoughts on Sol-Ark inverters? Any experience with them? Would you recommend them?

Hello all Have a scenario for the gurus here. DEYE 8KW hybrid inverter connected to single phase 220V (L+N) grid with batteries. Everything works fine, no problem. Customer added a generator. The generator is 220V split phase (L+N+L). The inverter sees the 220V coming from the generator, but...

Hello Can you guys confirm what is the difference between EG4 GridBOSS MID V1 vs V2? Thanks

We have some batteries that are about 2.5 years old. These are 15S 48V/200A. The cells used in the packs are gotion brand (So I was told) and grade A cells. But after less than 3 years, some hardly used, the battery capacity have dropped considerably for this short period of time. We had ten of...

Hello Does anyone know where I can locate these cables of most powerwalls? I have searched high and low and cannot locate them. Thanks

Hello I have been using SolarAssistant on DEYE 8KW US version for myself and some customers. I must say, it is nice. I do however have an issue. If the inverter is not connected to grid in any form or fashion, SolarAssistant is still showing a small voltage of about 4.3 VAC I actually measured...