ArthurEld
Solar Wizard
I think this is the one smoothJoey recommends - https://www.amazon.com/AiLi-Battery...s=battery+monitor+shunt&qid=1600632621&sr=8-5
Or this one is probably better if I only use one- https://www.amazon.com/AiLi-Voltmet...s=battery+monitor+shunt&qid=1600632722&sr=8-4
Or this one is probably better if I only use one- https://www.amazon.com/AiLi-Voltmet...s=battery+monitor+shunt&qid=1600632722&sr=8-4