Daly 18650 BMS 4S 12V 50A Waterproof BMS For Rechargeable Lifepo4 Battery With Same Port for lithium battery, US $ 6 - 8 / Piece, Guangdong, China, Daly, LifePO4 4S 12V 50A common port with balance.Source from Dongguan Daly Electronics Co., Ltd. on Alibaba.com. Nov 04, 2020 · At 100% SoC(disp) I'd normally see 94.5% SoC(bms) so 93 shows plenty of room, noting that you can add a single decimal place to your displayed value. We know that others have seen 95.5% or slightly higher. Yes, the OBD port is responsive during traction charging, Run and Utility modes. I bought a common port bms 40A discharge for my diy e-bike battery(10s8p 36v/20ah). Can someone explain like I am 5 why I need a separate port according to many forums. I already ordered a separate port bms (same specs) but I want the understand the reasoning behind it. While everyone is being told to stay at home, it can be hard to know what to do if you're unwell. For help from a GP – use your GP surgery's website, use an online service or app, or call the surgery.