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Volt_Ampere · 09-28-2021, 08:33 AM

Multiple batteries in series without a BMS managing all of them together is a very bad design that causes all sorts of balancing problems in the long run. It works with FLA batteries because the charger overcharges the batteries and keeps them top balanced. You can't do that with Lithium batteries. The BMS has to keep them in balance and it can't do that unless one BMS has control of all of the cells in the battery.

09-28-2021, 08:33 AM	#4
Volt_Ampere Gone Wild Join Date: May 2012 Location: Rio Verde, Az Posts: 7,193	Re: My ReLions failed stranding the wife Multiple batteries in series without a BMS managing all of them together is a very bad design that causes all sorts of balancing problems in the long run. It works with FLA batteries because the charger overcharges the batteries and keeps them top balanced. You can't do that with Lithium batteries. The BMS has to keep them in balance and it can't do that unless one BMS has control of all of the cells in the battery.