Use this lithium iron phosphate battery for your Lehr outboard motor. Its small and lightweight and provides heavy-duty cranking power. Lithium iron phosphate batteries do not go bad from non-use. They will lose less than 1% of charge in one year.Features:LightweightHeavy-duty cranking powerLong-lasting, losing less than 1% of charging power in a yearWont go bad from non-useEnvironmentally-friendlySpecifications:Materials: PlasticDimensions: 5 13/16”L x 3 1/2”W x 4 3/16”HWeight: 2.1lb.Amp-hours (Ah): 19Cold Cranking Amps (CCA): 285Battery Chemistry: Lithium iron phosphateVoltage: 12V eq