Mini Add-A-Battery Plus Kit - 10AA complete small boat battery management system. Charge two batteries at or away from the dock.For alternators up to 65AIncludes a Dual Circuit Plus™ Battery Switch 6011 a 3 Stage, 10 Amp charger with an integrated 65A Automatic Charging Relay, and a LED charger remote mSeries Dual Circuit Plus™ Battery SwitchSwitches two battery banks simultaneously while maintaining battery bank isolationCan combine two battery banks in the event of a low start batteryIP66 - protected against powerful water jetsBatteryLink® ChargerIntegrated ACR provides DC charging from engine alternatorAC plug-in while at the dockBattery temperature compensation prolongs battery lifeIncludes a remote LED indicatorStart isolation protects sensitive electronics from voltage sags and spikesIP67 - protected against immersion up to 1M for 30 minutesWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.