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Direct Fish Finder Replacement – Designed as a direct **SLA replacement for fish finders and portable sonar electronics** - lighter, safer, and longer-lasting than traditional lead-acid batteries. : IP67 Rugged Protection – IP67 waterproof and dust-tight - ideal for ice fishing, marine trips, and rugged outdoor environments. Safe & Reliable Power – Advanced Battery Management System (BMS) protects against overcharge, over-discharge, short-circuit and temperature extremes. Includes Charger – Comes with a standard 3A charger - ready to power your gear right out of the box. Lightweight & Long Life – LiFePO4 chemistry delivers a high power-to-weight ratio and long life (2000+ cycles) without unnecessary extras like USB ports or meters. UPC 850042818435 Voltage 12.8 Volts Brand Name Norsk Lithium Unit Count 1.0 Count Battery Type Lithium Ion Manufacturer Norsk Lithium Compatible with Vehicle Type Boat Manufacturer Warranty Description 4 Years