The MillerTech 16V 80Ah Bluetooth Lithium Battery (1680-BT) is designed to provide consistent, high-voltage power for today's demanding marine electronics. Whether you're running Garmin LiveScope, Lowrance ActiveTarget, Humminbird MEGA Live, or multiple fish finders, this dedicated 16V battery helps support reliable electronics performance throughout the day.
Featuring 80Ah of capacity, 1,280Wh of energy storage, and built-in Bluetooth monitoring, the MillerTech Sport Series battery delivers dependable power in a compact Group 24 design weighing just 26.55 lbs.
Key Features
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Dedicated 16V Electronics Power: Designed for compatible fish finders, forward-facing sonar systems, GPS units, and other marine electronics.
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80Ah Lithium Capacity: Provides 1,280Wh of energy storage for extended electronics runtime.
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Consistent Voltage Output: Maintains approximately 15–16.8V through most of its discharge cycle, helping reduce voltage-related performance issues.
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Built-In Bluetooth Monitoring: View battery charge level, voltage, current, temperature, and cycle information using the MillerTech smartphone app.
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Lightweight Group 24 Design: Weighs approximately 26.55 lbs. and fits many standard Group 24 battery trays.
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LiFePO4 Battery Technology: Offers long cycle life, efficient charging, and low maintenance requirements.
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Integrated Battery Management System: Protects against overcharging, overdischarging, excessive current, short circuits, and temperature-related conditions.
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10-Year Manufacturer Warranty: Backed by MillerTech's Sport Series lithium battery warranty.
Specifications
| Specification |
Details |
| Manufacturer |
MillerTech |
| Part Number |
1680-BT |
| Battery Series |
Sport Series |
| Battery Chemistry |
LiFePO4 Lithium |
| Nominal Voltage |
16V |
| Battery Capacity |
80Ah |
| Energy Storage |
1,280Wh |
| Battery Group Size |
Group 24 |
| Weight |
26.55 lbs. |
| Dimensions |
10.23" L × 6.61" W × 8.35" H |
| Bluetooth Monitoring |
Yes |
| Maximum Charging Voltage |
18V |
| Recommended Charging Current |
15A |
| Maximum Continuous Discharge |
65A |
| Peak Discharge |
80A (5 Seconds) |
| Low-Voltage Cutoff |
12.5V |
| Battery Terminals |
M8 |
| Manufacturer Warranty |
10 Years |
Designed for Marine Electronics
The MillerTech 1680-BT is an excellent option for anglers looking to separate their electronics power from their engine cranking battery.
Common applications include compatible:
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Garmin GPSMAP, ECHOMAP, and LiveScope systems
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Lowrance HDS, Elite FS, and ActiveTarget systems
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Humminbird HELIX, SOLIX, APEX, XPLORE, and MEGA Live systems
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Marine GPS, networking, and other electronics equipment
Important: Not all marine electronics support 16V input. Verify the operating voltage range of every connected device, including sonar modules and accessories. Some equipment may require voltage regulation, and electronics should not be operated while the battery is charging unless the complete system is rated for the charging voltage.
Bluetooth Battery Monitoring
The integrated Bluetooth system connects to the MillerTech smartphone app, allowing you to monitor battery performance without accessing the battery compartment.
View remaining capacity, battery voltage, charging and discharging current, temperature, and other battery information directly from your phone.
Charging Requirements
This battery requires a charger designed for 16V LiFePO4 batteries.
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Maximum charging voltage: 18V
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Recommended charging current: 15A
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Maximum charging current: 65A
A standard 12V lithium or lead-acid battery charger is not suitable for this battery.
Why Choose MillerTech?
The MillerTech 16V 80Ah Sport Series battery provides a dedicated power source for high-demand marine electronics. Its combination of stable voltage, Bluetooth monitoring, compact construction, and long-term warranty makes it a practical upgrade for anglers running multiple displays and forward-facing sonar systems.