TheSparkisa4stagechargermaintainerdesignedforwetcell,andAGM starting,anddeepcycleleadacidbatteries. AseriesofLED'sindicatecharge progress,andchargemode.TheSparkcomeswithinterchangeableclamps andringterminalends.Mountitonequipment,ormoveitfromvehicleto vehicle. The Spark is waterproof, and is IP65 Dust, and water splash resistant.