The Impulse Lithium “ALL IN” Package allows you to change your entire boat to a Lithium System at a more affordable price.  This system includes our Platinum Series LiFePO4 Batteries and Dual Bank Impulse Lithium 12/36v Charger.  Both Batteries are Bluetooth Enabled so you can monitor the battery performance on your smartphone. This System weight is under 90Lbs! Included in the package: (1) 12v-120Ah Platinum Series Cranking Battery (1) 36v-60Ah Lithium Trolling Battery (1) Impulse Lithium AC Dual Bank Charger