Solar Max Deep Cycle Solar Gel Battery (Model: 6FM-150AH). Voltage: \(12\text{V}\) Capacity: \(150\text{Ah}\) Charging Information: Cycle use voltage is \(14.5\text{-}14.9\text{V}\) and floating use voltage is \(13.6\text{-}13.8\text{V}\) at \(25^{\circ }\text{C}\). Safety: The battery is maintenance-free, sealed, and spill-proof, but requires avoiding short circuits and temperatures above \(40^{\circ }\text{C}\)