I am an old oilfield engineer so bare with me. I have a completely off grid Cabin and my Trojans finally bit the dust, You are lucky to get 3.5 years out of them here in the tropics with perfect maintenance because of the heat and weather conditions here on the Island. I am new to Lithium's and purchased 6 12v 100ah Mini's (4 in parallel for the cabin and 2 for starlink in a separate setup). I currently do not have a huge power demand here but would like to upgrade with a few additional small appliances if possible. I am using a Renogy 60 charge controller and have 3 older 275w panels in parallel. I am upgrading to some fresh panels and wanted to add some battery power storage due to the crazy tropical weather patterns on the island. Everything that I have read most everywhere about the batteries, including the manufacturers instructions are 4 max in parallel. This is what I wanted to run by you pro's to see if this is possible or if I should just be committed.
I was thinking of running 2 Renogy 40a charge controllers, one with my new 505 panel, and the other Renogy 40a with a new 575 panel that I just picked up from a friend. Run both of these into a modified Victron Lynx Power in (internal 4 fused lugs now). I know this is possible as there are numbers of youtube and other sources, but my big question is about the batteries. Is it at all possible to take my 6 12v mini's (all 6 purchased at the same time) and make two strings of 3 batteries each in parallel and wire them into a bus bar set ups then wire the 4 bus bars into the Victron Lynx Power In for charging and possibly the extra power storage that I am seeking? I was told by somebody here on the Island that it could be possible. Not sure if that was the beer talking, but after reading a lot of these post, I felt it would be better to run this by the great people on this forum. Standing by, and thank you in advance for any input, ideas or recommendations. Keep in mind that all proper fusing and breakers being used in this potential design.
PS If this is possible, my next question will be about hooking up the inverter.
I was thinking of running 2 Renogy 40a charge controllers, one with my new 505 panel, and the other Renogy 40a with a new 575 panel that I just picked up from a friend. Run both of these into a modified Victron Lynx Power in (internal 4 fused lugs now). I know this is possible as there are numbers of youtube and other sources, but my big question is about the batteries. Is it at all possible to take my 6 12v mini's (all 6 purchased at the same time) and make two strings of 3 batteries each in parallel and wire them into a bus bar set ups then wire the 4 bus bars into the Victron Lynx Power In for charging and possibly the extra power storage that I am seeking? I was told by somebody here on the Island that it could be possible. Not sure if that was the beer talking, but after reading a lot of these post, I felt it would be better to run this by the great people on this forum. Standing by, and thank you in advance for any input, ideas or recommendations. Keep in mind that all proper fusing and breakers being used in this potential design.
PS If this is possible, my next question will be about hooking up the inverter.