The MillerTech 12V 100Ah Group 24 Bluetooth Lithium Dual Purpose Battery (12100DP-G24) combines powerful engine starting performance with dependable deep-cycle capacity for marine electronics. Featuring 1,000 cold cranking amps (CCA), 100Ah of lithium capacity, and built-in Bluetooth monitoring, this battery is designed for anglers who need reliable starting power and extended electronics runtime.
Its compact Group 24 design makes it an excellent choice for bass boats, aluminum fishing boats, and other applications where battery compartment space is limited. With LiFePO4 technology, the MillerTech Sport Series delivers consistent power while weighing significantly less than many traditional lead-acid starting batteries.
Key Features
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Dual Purpose Marine Battery: Combines engine cranking power and deep-cycle capacity in one battery.
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1,000 Cold Cranking Amps: Provides starting power for compatible marine outboard engines.
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100Ah Lithium Capacity: Delivers 1,280Wh of energy storage for fish finders, forward-facing sonar, and other onboard electronics.
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Built-In Bluetooth Monitoring: Monitor battery voltage, remaining capacity, and operating information using the MillerTech smartphone app.
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Compact Group 24 Design: Fits many standard Group 24 battery compartments and trays.
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Lightweight Construction: Weighs approximately 31 lbs., reducing weight compared to many traditional lead-acid batteries.
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Integrated Battery Management System: Provides protection against overcharging, excessive discharge, overcurrent, and temperature-related conditions.
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Low-Temperature Charging Protection: Helps prevent charging when battery temperatures are too low.
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Marine-Grade Construction: IP65-rated battery case with a stainless steel breather vent and molded hold-down strap grooves.
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10-Year Manufacturer Warranty: Backed by MillerTech's Sport Series lithium battery warranty.
Specifications
| Specification |
Details |
| Manufacturer |
MillerTech |
| Part Number |
12100DP-G24 |
| Series |
Sport Series |
| Battery Type |
Dual Purpose Cranking & Deep Cycle |
| Battery Chemistry |
LiFePO4 Lithium |
| Nominal Voltage |
12.8V |
| Capacity |
100Ah |
| Energy Storage |
1,280Wh |
| Cold Cranking Amps |
1,000 CCA |
| Battery Group Size |
Group 24 |
| Weight |
31 lbs. |
| Dimensions |
10.23" L × 6.61" W × 8.35" H |
| Maximum Charging Voltage |
14.6V |
| Maximum Continuous Charge/Discharge Current |
100A |
| Peak Discharge Current |
300A for 5 Seconds |
| Bluetooth Monitoring |
Yes |
| Low-Temperature Charging Protection |
Yes |
| Battery Terminals |
M8 |
| Case Protection |
IP65 |
| Manufacturer Warranty |
10 Years |
Dual Purpose Cranking & Electronics Power
The MillerTech 12100DP-G24 is designed for marine applications requiring both engine starting power and dependable electronics capacity.
Common applications include:
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Compatible 12V marine outboard starting systems
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Garmin, Lowrance, and Humminbird fish finders
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Forward-facing sonar systems
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Marine GPS and networking equipment
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Other compatible 12V onboard electronics
With 100Ah of capacity, this battery can support demanding electronics installations while maintaining the starting capability needed for compatible outboard engines.
Bluetooth Battery Monitoring
Built-in Bluetooth connectivity allows you to check battery information directly from your smartphone using the MillerTech app.
Monitor remaining battery capacity, voltage, charging and discharging current, and other battery information without accessing your battery compartment.
Charging & Compatibility
Use a compatible 12V LiFePO4 lithium charger or an approved marine charging system.
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Maximum charging voltage: 14.6V
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Maximum continuous charging current: 100A
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Built-in low-temperature charging protection
Important: Verify your outboard manufacturer's lithium battery requirements, minimum CCA specifications, and alternator compatibility before installation.
This model features low-temperature charging protection but does not include an integrated battery heater.
Why Choose MillerTech?
The MillerTech 12V 100Ah Group 24 Dual Purpose Battery offers a practical combination of engine starting performance, electronics capacity, and compact construction. With Bluetooth monitoring, marine-grade components, and a 10-year manufacturer warranty, the 12100DP-G24 is a dependable upgrade for compatible marine electrical systems.
