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Home / MillerTech / MillerTech 12V 135AH Sport Series Lithium with Bluetooth (12135-DP)
Picture of MillerTech 12V 135AH Sport Series Lithium with Bluetooth (12135-DP)
Picture of MillerTech 12V 135AH Sport Series Lithium with Bluetooth (12135-DP) Dimensions
Picture of MillerTech 12V 135AH Sport Series Lithium with Bluetooth (12135-DP)
Picture of MillerTech 12V 135AH Sport Series Lithium with Bluetooth (12135-DP) Dimensions

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

$1,099.00
Call or text for the best price – 1-844-945-3625

12V 135AH Sport Series Lithium with Bluetooth (12135-DP) by MillerTech 

Introducing the MillerTech 12V 135AH Sport Series Lithium Battery with Bluetooth (12135-DP). This dual-purpose battery delivers 1500CCA and 135 amp-hours of deep cycle storage, featuring built-in low-temp charging protection. Designed to meet and exceed the demanding requirements of the Mercury 4 stroke up to 250hp, it provides exceptional performance for both charging and cranking.

Since 2016, our customers have relied on this robust battery to start their motors without any issues. The 12135-DP comes equipped with Bluetooth, which allows you to monitor real-time data effortlessly through the MillerTech App, ensuring you're always in control.

Key Features:

  • 10-Year Industry-Leading Warranty: Confidence and peace of mind for a decade.
  • BCI Group Size 31: Standardized sizing for compatibility.
  • Bluetooth Connectivity: Direct access to the MillerTech App for real-time monitoring.
  • Custom Moulded Battery Case: Heavy-duty, reclosable design with convenient hold-down strap grooves for secure installation.
  • Heavy Duty Terminals: Prevents heat buildup during maximum power demands.
  • Marine Approved IP65 Rated: Sealed with a thick rubber gasket and a marine-grade stainless steel breather vent for durability and protection.

The Sport Series Marine batteries are built to withstand the toughest conditions. The custom case design ensures easy access for repairs, while the vent placement prevents rain and dirt accumulation.

Specs

Voltage 12.8V
Capacity 135AH
Weight 33 lbs
Dimensions 13” x 6.75” x 9”
Chemistry LFP
BMS Yes
Efficiency 98%
Memory None
Max Charge/Voltage 14.6V
Terminals M8
Max charge/Discharge Current 12A
Operating Temp 135A
Connection Capability 32°-130°
Cell Type Prismatic
Bluetooth Yes
Low Cut-off Voltage 10.5V
Cold Cranking Amps (CCA) 1500A
Group Size 31
Warranty 10 years

Best Price Guarantee

You'll get the best price available at Wild Oak Trail! We'll match anyone who has it lower! 

We love to chat! Give us a call and we'll see what we can do to get you the best deal!

Conditions of our 100% Price Match Guarantee:

  • Contact us to discuss the Price Match so we can look up the competitors price

  • Buy one, get one free offers and Rebates are not eligible

  • The item must be in stock on the competitors website

  • The competitor must be an online store, not a retail location

  • The website can't be a discounter or auction website ( such as eBay, overstock, etc.)

  • The company must be an Authorized Retailer of the product in question

  • The Price Match Guarantee is based on the final price of the product including shipping and taxes

Why Buy From Wild Oak Trail? 

We’re a family-run business. My Wife Hailey and I run this business with our small staff of 3 awesome people. When you shop with Wild Oak Trail, you're supporting real people, not a big corporation.

We truly care. We’re here before, during, and after your purchase. Good products and great service—that’s how we earn your trust. We see and celebrate EVERY sale that comes in!

We choose quality. If we wouldn’t use it ourselves, we won’t offer it. Our goal is to make you happy enough to tell your friends.

Thanks for supporting our family and being part of the Wild Oak Trail community!

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