Norsk Lithium B12015C Sonar Battery with Charger Batteries - 12.8V 15Ah LiFePO4

The Norsk Lithium B12015C is a 12.8V 15Ah LiFePO4 (Lithium Iron Phosphate) battery purpose-built for fishfinder and sonar applications. Designed as a drop-in power solution for on-the-water electronics, this battery delivers reliable, long-lasting power to keep your sonar running all day on the water. The bundle includes a compatible charger, so everything you need is ready out of the box.

LiFePO4 chemistry provides a significant advantage over traditional lead-acid batteries, offering a much lighter weight, a stable discharge voltage curve, and a dramatically longer cycle life. This means your sonar unit receives consistent power throughout the entire discharge — no dimming screens or sluggish performance as the battery depletes.

Key Features:

• Nominal Voltage: 12.8V — optimized for 12V fishfinder and sonar electronics
• Capacity: 15Ah — provides extended runtime for sonar units and other 12V accessories
• Chemistry: LiFePO4 (Lithium Iron Phosphate) — stable, safe, and long cycle life
• Includes Charger: Matched charger included for proper LiFePO4 charging
• Lightweight Design: Significantly lighter than equivalent lead-acid batteries
• Built-In BMS: Battery Management System protects against overcharge, over-discharge, and short circuit
• Ideal for Sonar/Fishfinder Use: Clean, stable power delivery protects sensitive electronics
• Long Cycle Life: Rated for hundreds of charge/discharge cycles, far exceeding AGM or SLA alternatives

The Norsk Lithium B12015C is an excellent choice for anglers and boaters looking to power their fishfinder or sonar unit with a lightweight, dependable, and long-lasting lithium solution. The included charger ensures you are always using the correct charge profile to maximize battery longevity.