The MillerTech 12V 190Ah Bluetooth Lithium Dual Purpose Battery delivers exceptional starting power and extended runtime for today's electronics-equipped fishing boats. With 1,500 cold cranking amps (CCA) and 190Ah of reserve capacity, this battery is designed to start your outboard while powering fish finders, live sonar, pumps, and other onboard electronics.
Built with advanced LiFePO4 technology, the MillerTech Sport Series combines powerful cranking performance, lightweight construction, and Bluetooth monitoring in a single Group 31 battery.
Key Features
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1,500 Cold Cranking Amps: Provides powerful engine-starting performance for compatible marine outboards.
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190Ah Lithium Capacity: Delivers substantial reserve power for fish finders, live sonar, and other marine electronics.
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Dual Purpose Design: Combines engine cranking and deep-cycle electronics power in one battery.
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Bluetooth Monitoring: Connect to the MillerTech app to monitor battery status and performance directly from your smartphone.
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Lightweight Construction: Weighs approximately 42 lbs., reducing weight compared to many traditional lead-acid battery setups.
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Built-In Battery Management System (BMS): Protects against overcharging, over-discharging, excessive current, and unsafe temperatures.
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Low-Temperature Charging Protection: Helps protect the battery from damage when charging in freezing conditions.
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Marine-Grade Housing: IP65-rated case with a heavy-duty rubber gasket and stainless steel breather vent.
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10-Year Manufacturer Warranty: Backed by MillerTech's Sport Series warranty.
Specifications
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Manufacturer: MillerTech
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Part Number: 12190-DP
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Battery Type: LiFePO4 Lithium Dual Purpose
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Nominal Voltage: 12.8V
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Capacity: 190Ah
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Energy Storage: 2,432Wh
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Cold Cranking Amps: 1,500 CCA
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Maximum Continuous Charge/Discharge Current: 190A
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Peak Discharge Current: 300A (5 seconds)
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Maximum Charging Voltage: 14.6V
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Weight: 42 lbs.
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Dimensions: 13" L × 6.75" W × 9" H
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Group Size: 31
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Terminals: M8
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Bluetooth: Yes
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Battery Management System: Integrated BMS
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Certification: UL 1973
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Warranty: 10 Years
Marine Engine & Electronics Applications
The MillerTech 12V 190Ah dual purpose battery is designed for marine applications requiring both high cranking power and extended electronics runtime.
Ideal applications include:
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Starting compatible outboard engines
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Powering Garmin, Lowrance, and Humminbird fish finders
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Supporting Garmin LiveScope, Lowrance ActiveTarget, and Humminbird MEGA Live systems
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Running onboard pumps, lighting, and other 12V accessories
Always verify your outboard manufacturer's lithium battery requirements and charging system compatibility before installation.
Why Choose MillerTech Lithium?
Traditional marine batteries can struggle to support the electrical demands of multiple large fish finders and live sonar systems. The MillerTech 190Ah dual purpose battery provides a high-capacity lithium solution designed to handle both engine starting and electronics power.
With Bluetooth monitoring, a compact Group 31 footprint, and significantly more usable capacity than many conventional cranking batteries, it's an excellent upgrade for anglers running demanding marine electronics systems.
