Dimension Electronics has 30 years been involved in Industrial system /sub system designs. Customers include Otis Elevator, Thyssen Krupp, Shindler Elevator. Our newest product is a (8" X 4" X 2") Module of Hybrid Construction, which monitors Lead-Acid or Lion Batteries. The system "Learns" the characteristics of host battery and will accurately predict (Within 1.5%) when the Battery will fail. The warning is 30 days prior to failure