Charles Marine Group Dual Pro Charge-On-The-Run Charger with Two 12V Outputs, Black/YellowDescriptionThe Dual Pro Charge -on-the-Run product has been great for anyone who needs to charge up to two extra batteries from their alternator while running down the lake. The unit basically acts as a set of jumper cables, once the main cranking battery has reached it's full alternator charge. The unit will then stay on while running the engine and switch back and forth between two additional batteries and put as much charge into the auxiliary batteries as time will allow. It's great for bass boats, pontoons and runabouts.Main FeaturesSpecificationsShipping DetailsYour item(s) will be shipped by USPS or UPS according to your location and package dimensions. All items are shipped from our warehouses strategically located throughout the US to ensure fast delivery. Orders will be shipped within 24 hours after your payment has been processed unless stated otherwise.30 DAY REFUND POLICYAll products are sold with a 30 day refund policy. The item(s) must be returned by the buyer in as new condition with all accessories included. The packaging of the item(s) and accessories must be completely intact, in good condition.ABOUT USAt Alpha-Market we focus on customer experience. We want our customers to receive exactly what they order when they need it. And in the rare case that there are any issues, we respond quickly to resolve them.