Lead-acid battery vulcanization chhan & venna . Battery vulcanization, sulfation tia hriat bawk hi thil awmze nei tak a ni a, lead-acid battery a nghawng a, chu chuan performance a ti tlem a, a dam rei lo bawk. Lead-acid battery hriselna leh dam rei theihna tur atana a chhan hriatthiamna leh venna tur ruahmanna kalpui hi a pawimawh hle.What I