I hope the video tutorial I made on how to connect the 2S 8A BMS protection board to four batteries will help you. Thank you for watching! 🥰 _Tiktok: / bhrytv _fb Page: / madiskartechvlogs _Online Store: https://s.lazada.com.ph/s.PQotd https://s.shopee.ph/AKFjsprYGN email: [email protected]