This deep cycle 16V workhorse changes the game for marine electronics and graphs. Dedicated clean power = better signal strength, enhanced clarity and more efficiency which means more time on the water and more fish on the boat. This battery will on average power four graphs and two devices for up to 16 hours. Engineered with Lithium Iron Phosphate (LiFePO4) technology providing exceptional lifetime value. Ideal for marine applications where you need lots of clean dedicated power for an extended period, Fitted with Bluetooth for monitoring via the EvoCharge Lithium App.