The perfect small fishing electronics SLA replacement battery for Garmin, Vexilar, Marcum, Humminbird and Lowrance. Longer run times (up to 30%) than 7-9AH Sealed Lead Acid Batteries and almost the same price! This is the best priced Lithium Battery and LiFePO4 battery in the industry. At 1.8lbs you will have a hard time beating this lithium battery.