Water levels??? In a NiCad???. .. .New to me I thought you only had water (Acid) levels in flooded Lead acid cells. NiCads are a solid state battery usually and in my experience not used that much in engines.. .. . <img border="0" title="" alt="[Confused]" src="confused.gif" /> <img border="0" title="" alt="[Confused]" src="confused.gif" /> <img border="0" title="" alt="[Confused]" src="confused.gif" />