The MillerTech 24V 80Ah Sport Series Bluetooth Lithium Battery (2480-BT) delivers dependable deep-cycle power for 24V trolling motors in a single Group 31 battery. Designed for anglers looking to upgrade from traditional lead-acid batteries, this LiFePO4 battery provides consistent power, reduced weight, and extended runtime for long days on the water.
With 80Ah of capacity, approximately 2,048Wh of energy storage, and built-in Bluetooth monitoring, the MillerTech 2480-BT eliminates the need for two separate 12V trolling motor batteries in compatible 24V systems.
Key Features
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Single 24V Battery Solution: Replaces two traditional 12V batteries connected in series for compatible 24V trolling motors.
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80Ah Lithium Capacity: Provides approximately 2,048Wh of energy storage for dependable trolling motor performance.
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Built-In Bluetooth Monitoring: Monitor battery charge level, voltage, and operating information using the MillerTech smartphone app.
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Lightweight Group 31 Design: Weighs approximately 40 lbs., reducing weight compared to many traditional two-battery lead-acid setups.
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LiFePO4 Technology: Delivers consistent voltage, long cycle life, and minimal maintenance.
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Integrated Battery Management System: Protects against overcharging, excessive discharge, overcurrent, and unsafe temperatures.
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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 battery warranty.
Specifications
| Specification |
Details |
| Manufacturer |
MillerTech |
| Part Number |
2480-BT |
| Series |
Sport Series |
| Battery Type |
Deep Cycle |
| Battery Chemistry |
LiFePO4 Lithium |
| Nominal Voltage |
25.6V |
| Capacity |
80Ah |
| Energy Storage |
2,048Wh |
| Battery Group Size |
Group 31 |
| Weight |
40 lbs. |
| Dimensions |
13" L × 6.75" W × 9" H |
| Maximum Charging Voltage |
29V |
| Maximum Continuous Charge/Discharge Current |
80A |
| Peak Discharge Current |
240A |
| Battery Terminals |
M8 |
| Bluetooth Monitoring |
Yes |
| Low-Temperature Charging Protection |
Yes |
| Case Protection |
IP65 |
| Manufacturer Warranty |
10 Years |
Trolling Motor Applications
The MillerTech 2480-BT is designed for compatible 24V trolling motor systems, including select models from Minn Kota, Garmin, Lowrance, and other manufacturers.
Using one 24V lithium battery instead of two separate 12V batteries simplifies your electrical system by reducing battery connections and freeing up space in your battery compartment.
Verify your trolling motor's voltage and maximum current requirements before installation.
Important: This is a deep-cycle trolling motor battery and is not intended for engine starting applications.
Bluetooth Battery Monitoring
Built-in Bluetooth connectivity allows you to monitor battery performance directly from your smartphone using the MillerTech app.
Check remaining battery capacity, voltage, and operating information without opening your battery compartment.
Charging Requirements
Use a compatible 24V LiFePO4 lithium battery charger.
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Maximum charging voltage: 29V
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Maximum charging current: 80A
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Built-in low-temperature charging protection
A standard 12V battery charger is not suitable for this battery.
This model does not include an integrated heater. For anglers who regularly charge batteries in freezing temperatures, MillerTech also offers a heated 24V 80Ah model.
Why Choose MillerTech?
The MillerTech 24V 80Ah Sport Series battery provides a practical upgrade for anglers looking to simplify their trolling motor power system. With a single-battery 24V configuration, Bluetooth monitoring, rugged marine construction, and a 10-year manufacturer warranty, the 2480-BT delivers dependable lithium power for serious fishing applications.
