Product details:

Unified Marine PWR Station Battery Box 50090682 deluxe power station battery box determines battery condition at the touch of a button easy accessory hook up with the external terminals 12V accessory socket allows use of common accessories charge directly from the external terminals no need to open the battery box until the battery needs to be replaced. Ideal for small boats with no DC system.Polypropylene material helps make this battery box durable for prolonged usage
Equipped with LED indicator to let you know the charging status
Diligently designed to deliver an uninterrupted power supply of up to 12V