The MillerTech 24V 80Ah Heated Sport Series Bluetooth Lithium Battery delivers reliable power for 24V trolling motor systems. Featuring LiFePO4 technology, built-in Bluetooth monitoring, and an integrated heating system, this battery is designed for anglers who demand dependable performance throughout the fishing season.
With 2,048Wh of energy storage, the MillerTech 2480-BTH provides a convenient single-battery alternative to traditional dual 12V trolling motor battery setups. Its compact Group 31-size design and 40 lb. weight make it an excellent choice for upgrading your boat to lithium power.
Key Features
-
24V Lithium Trolling Motor Power: Designed for compatible 24V trolling motor systems.
-
80Ah Capacity: Provides approximately 2,048Wh of energy storage for extended runtime.
-
Integrated Battery Heater: Automatically activates at 32°F and uses charging power to warm the battery to 34°F for cold-weather charging.
-
Built-In Bluetooth Monitoring: Monitor battery status and performance directly from your smartphone.
-
Lightweight Construction: Weighs approximately 40 lbs., reducing weight compared to many traditional lead-acid battery setups.
-
Advanced Battery Management System (BMS): Helps protect the battery against unsafe operating conditions.
-
Compact Design: Measures 13" × 6.75" × 9" for installation in many marine battery compartments.
-
10-Year Manufacturer Warranty: Backed by MillerTech's 10-year warranty.
Specifications
| Specification |
Details |
| Manufacturer |
MillerTech |
| Model / Part Number |
2480-BTH |
| Series |
Sport Series |
| Battery Chemistry |
LiFePO4 Lithium |
| Nominal Voltage |
25.6V |
| Capacity |
80Ah |
| Energy Storage |
2,048Wh |
| Weight |
40 lbs. |
| Dimensions |
13" L × 6.75" W × 9" H |
| Maximum Charge Voltage |
29.2V |
| Float Voltage |
27.0V |
| Maximum Charge Current |
80A |
| Recommended Charge Current |
20A |
| Continuous Discharge Current |
80A |
| Peak Discharge Current |
150A (5 Seconds) |
| Discharge Cutoff Voltage |
20V |
| Recommended Low-Voltage Disconnect |
24V |
| Charging Temperature Range |
25°F to 131°F |
| Discharge Temperature Range |
-4°F to 140°F |
| Self-Discharge Rate |
Less Than 4% Per Month |
| Manufacturer Warranty |
10 Years |
Built-In Heating for Cold-Weather Charging
The integrated heating system automatically engages when battery temperature reaches 32°F, using power from the connected charger to warm the battery to 34°F.
This feature helps protect the battery during cold-weather charging and is especially useful for anglers fishing during early spring and late fall.
Trolling Motor Compatibility
Designed for compatible 24V trolling motor systems, including select models from:
-
Minn Kota
-
Garmin
-
Lowrance
-
Power-Pole
Always verify your trolling motor's operating voltage and current requirements before installation.
Charging Requirements
Use a compatible 24V LiFePO4 battery charger with charging settings appropriate for this battery.
-
Maximum charging voltage: 29.2V
-
Recommended charging current: 20A
-
Maximum charging current: 80A
Standard 12V chargers are not suitable for charging this battery.
Why Choose MillerTech?
MillerTech lithium batteries offer anglers a lightweight, high-capacity alternative to traditional lead-acid batteries. With built-in heating, Bluetooth monitoring, and dependable LiFePO4 technology, the 24V 80Ah Heated Sport Series battery is an excellent upgrade for a dedicated 24V trolling motor system.
