This is a limited-time offer, available while supplies last. The discount is based on the original price, and intermediate markdowns may have been taken.
Product Details
The Millertech 12V 135AH Sport Series Lithium Dual Purpose Battery with Bluetooth is a powerhouse built to handle both starting and deep-cycle demands, giving anglers confidence to run large outboards and multiple electronics all day. Delivering ample cranking amps to fire up the biggest engines along with enough reserve capacity to keep high-draw graphs running for 8+ hours, this LiFePO4 battery redefines on-the-water power management. Its BCI Group 31 size features a custom-molded, heavy-duty reclosable case with strap grooves for secure mounting and long-term serviceability, ensuring easy repairs if ever needed. Large, heavy-duty terminals eliminate heat build-up under heavy loads, while a marine-approved IP65 seal with a stainless-steel breather vent protects against water intrusion and condensation. Integrated Bluetooth capability connects directly to the MillerTech App, giving anglers real-time performance data and removing the guesswork from battery monitoring, making this a durable and intelligent solution for modern marine power demands.
- 12V 135AH dual-purpose lithium (LiFePO4) battery for starting and deep-cycle use
- Provides cranking amps for large engines and reserve power for electronics
- BCI Group 31 size with custom heavy-duty, reclosable case and strap grooves
- Bluetooth monitoring with MillerTech App delivers real-time performance data
- Marine-approved IP65 rating with rubber gasket seal and stainless-steel vent
- Heavy-duty terminals prevent heat build-up during high-power output
- Specifications:
- Capacity: 135AH
- Voltage: 12.8V
- BMS: Yes
- Chemistry: LFP
- Efficiency: 98%
- Memory: None
- Max Charge/Voltage: 14.6V
- Cut-off Voltage: 33V
- Max Charge/Discharge Current: 1035
- Peak Discharge Current: 180A – 3 sec
- Operating Temp: -4°F – 140°F
- Low Temp Charging Protection: Yes
- Cell Type: Prismatic
- Group Size: 31
- Bluetooth: Yes
- Size: 13” x 6.75” x 9”
- Weight: 33 lbs.
- Manufacturer's 10 year warranty
- Quantity per pack: 1
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