The Schumacher 15A on board battery charger is inexpensive

The Schumacher 15A battery charger is a three bank, 15 amp marine battery charger which you can permanently attach to your boat.

The Schumacher 15A automatically remembers the last battery type and works with regular and deep cycle batteries, including flooded, AGM and gel cell

You get six-foot input and output cables, LED indicators, short circuit and reverse polarity protection.

The Schumacher 15a battery charger is weather proof, water tight seal ensures that there will be no leakage and is safe to store on-board, all year round.

The inexpensive Schumacher 15A 3-bank charger (model SS-15A3-OB). charges one bank at a time at up to 15A for a few minutes then moves to the next bank, skipping banks which are disconnected or fully charged.

This product cannot be shipped to Oregon or California.

Positive Customer Feedback for the Schumacher 15A three bank, on-board battery charger
Source: Amazon Reviews…

 "The charger seems well made and works as advertised"

 "I highly recommend this product. Easy to install and keeps my batteries fully charged. I have had no problems with it"

 "Installed in minutes on bassboat. Working like a charm. Sorry I waited so long"

 "Works like a champ. This keeps my three batteries topped off and ready to go to the lake. Never dead again"

 "Perfect 3 battery system charger, very easy to permanently install"

 "Takes all the work out of keeping all my boat batteries up. Just plug it in. Boat's ready to go when I want it"

 Disadvantages of the Schumacher 15A battery charger

 One customer had problems and had to send it back under warranty.

Schumacher 15A on board battery charger

Item Weight 6.8 pounds
Product Dimensions 9.3 x 6.2 x 3 inches
Item model number SS-15A3-OB

Warranty: 2 years