波兰采购需求：电池管理系统，电池BMS，BMS模块，锂BMS，锂电池BMS，Lifepo4 BMS

I'm looking to upgrade the firmware on one of your products, and I need to gather some information before proceeding. Could you provide details about the available firmware versions? Additionally, I would appreciate any guidance on the upgrade process, including any specific tools or prerequisites that may be required. Also, if there are any potential impacts or known issues during the upgrade, please let me know. Understanding these aspects will help ensure a smooth transition. Looking forward to your prompt response as I want to get this upgrade done efficiently. Thanks!