土耳其采购需求：电池管理系统，BMS电池，BMS模块，锂BMS，BMS锂电池，适用于Lifepo4的BMS

I've been using your product with the active balance feature, but I've noticed that it doesn't provide effective cell balancing. This has raised some concerns regarding its overall performance and efficiency. Could you please offer some guidance on this issue? I'm looking for insights into why cell balancing isn't functioning as expected and any possible solutions you might have. Your support would be greatly appreciated!