12V 135AH Sport Series Lithium Iron Phosphate with Bluetooth (12135-DP)


The Ultimate Battery in Energy Density and Versatility.

The 135AH Dual Purpose battery has 1500CCA + 135Ahrs of Deep Cycle Storage, Built in low-temp charging protection. A Dual Purpose package ready to power you passions! Bluetooth lets you monitor everything at you fingertips.

Millertech Dual Purpose meets and exceeds any charging or cranking requirements actually needed to work with the Mercury 4 stroke up to 250hp. We have many customers using them to start there motors since 2016 with no issues.



Voltage 12.8V
Capacity 135AH
Weight 33 lbs
Dimensions 13” x 6.75” x 9”
Chemistry LFP
Efficiency 98%
Memory None
Terminals M8
Max Charge/Voltage 14.6V
Bluetooth Yes
Low Cut-off Voltage 10.5V
Max charge/Discharge Current 135A
Operating Temp 32°-130°
Cold Cranking Amps (CCA) 1500A
Group Size 31
Cell Type Prismatic
Warranty 10 years


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