The Vexilar Lithium Battery is a replacement battery for Vexilar units. This Vexilar battery is compatible with all Vexilar units and is a great way to provide backup power to your unit during long days on the ice. LiFePO4 technology extends the battery's overall life, while its lightweight design makes it easier to carry than similar batteries. Keep your Vexilar unit charged and ready to fish with the Vexilar Lithium Battery.Features:Specs: