Fredleys Posted September 18 Share Posted September 18 Hi I have 2 Growatt inverters in Parallel with a 5.1kw stage 1 VOLTA Battery. The BMS does not seem to read the battery right in LI mode or in User mode can someone assist with the best setting for my system. I only have the 1 batt now till i have money to expand but cant seem to get the battery settings correct. the voltage is 53,3 volt and keeps on drowning the batt. Also shows that the battery is only 75% chargeged at 53.4 volt. Quote Link to comment Share on other sites More sharing options...
zsde Posted September 18 Share Posted September 18 (edited) The Inverter can only communicate with the Battery if you set the correct Protocol and you have the correctly pinned comms cable. Do you have the Battery user manual that explains the CAN or RS485 Pin layout for the comms port on the Battery? I found this user manual. You can confirm if it corresponds with yours. On page 17 it states that Growatt for this Battery is an optional Protocol and only via RS485. Did you follow the instructions in Method 2? https://www.solar-europe.co.za/wp-content/uploads/2022/12/Volta-Stage-1-User-Manual.pdf | Edited September 18 by zsde User Manual Quote Link to comment Share on other sites More sharing options...
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