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Collection: Deka Batteries

If you are looking for reliable batteries made in the USA, the Deka brand by East Penn Manufacturing represents the pinnacle of domestic energy storage. Backed by over 75 years of manufacturing excellence, Deka offers a comprehensive range of batteries designed for long-term system health, whether your project involves a residential solar array, an off-grid cabin, or a demanding marine vessel.

Choosing Your Series: Deka Battery Technical Guide

Selecting a battery shouldn't be a guessing game. We provide detailed technical specifications to help you find the exact match for your specific power compartment and discharge requirements.

  • Deka Solar AGM Series: These absorbed glass mat units are completely sealed and maintenance-free. Featuring a low self-discharge rate (less than 2% per month), they are ideal for high-vibration environments like RVs or remote solar sites that require "install-and-forget" reliability.
  • Deka Solar Gel Series: For those requiring the deepest discharge cycles, the Solar Gel series (including the marine-optimized Dominator line) uses a thixotropic gelled electrolyte. This technology protects internal plates from extreme heat and deep-cycling stress, offering a superior service life in challenging climates.
  • Traditional Flooded (FLA): Deka’s deep-cycle flooded lead-acid options utilize thick, heavy-duty plates and Individual Plate Formation (IPF®) technology. These are built to withstand the frequent charging and discharging cycles required for large-scale, cost-effective solar banks.

Expertise in American-Made Quality

  • U.S.-Based Manufacturing: Proudly manufactured in the USA, East Penn operates one of the world's largest single-site battery manufacturing complexes in Pennsylvania, alongside advanced facilities in Iowa. This vertical integration ensures every unit meets over 250 quality control checks.
  • Sustainability Leadership: Since 1946, Deka’s parent company has pioneered safe recycling. Virtually 100% of lead, plastic, and acid components are reclaimed, providing you with a truly eco-responsible power solution.
  • Rugged Construction: Deka’s leak-resistant design is engineered to handle wave-pounding vibration in marine environments and high mechanical loads in industrial solar setups.

Your Gateway to Premium Energy Storage Excellence

Solux ensures your projects are built on a foundation of authentic, world-class engineering. We bridge the gap between elite manufacturing and your specific energy goals by providing direct access to MK Battery’s premium American-made storage technologies. By sourcing systems that utilize exclusive IPF® (Individual Plate Formation) Technology and undergo over 250 rigorous quality control checks, we guarantee the same industrial-grade durability and cell-to-cell consistency trusted by global developers. Whether you are scaling a remote off-grid array or securing a dependable backup for your home, Solux, LLC is your partner in premium excellence, delivering the consultative expertise, sustainable closed-loop recycling benefits, and high-tier Deka equipment your project deserves.

214 products

  • MK Deka 4U1L 12VDC Flooded Lead-Acid Battery

    Description MK Deka 4U1L 12VDC Flooded Lead-Acid Battery The DEKA 4U1L is part of DEKA’s durable Outdoorsman lineup—designed for small-engine...

    $50.79 USD
    $50.79 USD
    $50.79 USD
  • MK Deka 8U1L 12VDC Flooded Lead-Acid Battery

    Description MK Deka 8U1L Outdoorsman: 12V 230 CCA BCI Group U1 Battery The MK Deka 8U1L is a premium, high-cranking...

    $60.21 USD
    $60.21 USD
    $60.21 USD
  • MK Deka 10U1L 12VDC Flooded Lead-Acid Battery

    Description MK Deka 10U1L Outdoorsman: 12V 300 CCA BCI Group U1 Utility Battery The MK Deka 10U1L is a high-performance...

    $70.61 USD
    $70.61 USD
    $70.61 USD
  • MK Deka 11U1L 12VDC Flooded Lead-Acid Battery

    Description MK Deka 11U1L 12VDC Flooded Lead-Acid Battery The DEKA 11U1L is part of DEKA’s Outdoorsman product line, designed specifically...

    $82.00 USD
    $82.00 USD
    $82.00 USD
  • MK Deka DP31CS 12VDC Flooded Lead-Acid Battery

    Description MK Deka DP31CS 12VDC Flooded Lead-Acid Battery The DEKA DP31CS (Group 31) is a 12‑Volt flooded lead-acid battery engineered...

    $190.20 USD
    $190.20 USD
    $190.20 USD
  • MK Deka 7T31P 12VDC Flooded Lead-Acid Battery

    Description MK Deka 7T31P 12VDC Flooded Lead-Acid Battery The DEKA 7T31P is a robust and reliable battery built to endure...

    $214.71 USD
    $214.71 USD
    $214.71 USD
  • MK Deka 7T31 12VDC Flooded Lead-Acid Battery

    Description MK Deka 7T31 12VDC Flooded Lead-Acid Battery The Deka 7T31 is a robust 12‑volt dual-purpose battery (BCI Group 31) designed to...

    $214.71 USD
    $214.71 USD
    $214.71 USD
  • MK Deka 1031PMF 12VDC Flooded Lead-Acid Battery

    Description MK Deka 1031PMF 12VDC Flooded Lead-Acid Battery The Deka 1031PMF is a 12‑volt flooded lead‑acid battery from East Penn’s Precision Built® commercial...

    $172.32 USD
    $172.32 USD
    $172.32 USD
  • MK Deka 1131PMF 12VDC Flooded Lead-Acid Battery

    Description MK Deka 1131PMF 12VDC Flooded Lead-Acid Battery The Deka 1131PMF is a 12‑volt commercial flooded lead‑acid battery from East Penn’s...

    $185.73 USD
    $185.73 USD
    $185.73 USD
  • MK Deka 1231PMF 12VDC Flooded Lead-Acid Battery

    Description MK Deka 1231PMF 12VDC Flooded Lead-Acid Battery The Deka 1231PMF is a 12‑volt flooded lead‑acid commercial battery—part of East...

    $207.45 USD
    $207.45 USD
    $207.45 USD
  • MK Deka 1031MF 12VDC Flooded Lead-Acid Battery

    Description MK Deka 1031MF 12VDC Flooded Lead-Acid Battery The Deka 1031MF is a 12‑volt flooded lead‑acid commercial-grade battery, part of East...

    $172.32 USD
    $172.32 USD
    $172.32 USD
  • MK Deka 1131MF 12VDC Flooded Lead-Acid Battery

    Description MK Deka 1131MF 12VDC Flooded Lead-Acid Battery The Deka 1131MF is a 12‑volt flooded lead‑acid commercial-grade battery, part of East Penn’s...

    $185.73 USD
    $185.73 USD
    $185.73 USD
  • MK Deka 1231MF 12VDC Flooded Lead-Acid Battery

    Description MK Deka 1231MF 12VDC Flooded Lead-Acid Battery The Deka 1231MF is a 12‑volt commercial flooded lead‑acid battery, part of East Penn’s...

    $207.45 USD
    $207.45 USD
    $207.45 USD
  • MK Deka 1030H 12VDC Flooded Lead-Acid Battery

    Description MK Deka 1030H 12VDC Flooded Lead-Acid Battery The Deka 1030H is a 12‑volt flooded lead‑acid commercial-grade starting battery, built...

    $175.84 USD
    $175.84 USD
    $175.84 USD
  • MK Deka 928MF 12VDC Flooded Lead-Acid Battery

    Description MK Deka 928MF 12VDC Flooded Lead-Acid Battery The Deka 928MF is a 12‑volt flooded lead‑acid commercial battery, part of East...

    $201.37 USD
    $201.37 USD
    $201.37 USD
  • MK Deka 917TF 12VDC Flooded Lead-Acid Battery

    Description MK Deka 917TF 12VDC Flooded Lead-Acid Battery The Deka 917TF is a 12‑volt flooded lead‑acid battery from East Penn’s...

    $449.67 USD
    $449.67 USD
    $449.67 USD

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Our priorities start first with our customer. We provide a Customer Focused Service that is a consultative approach to understanding your project or need. Experience has shown us that it yields greater results in project efficiency, cost savings, and customer satisfaction. Whether you’re looking to replace a solar panel or a battery, or have a project that requires sizing, design, support, and procurement - we are happy to help! Beyond that sales aspect, we work hard to ensure your order is processed, shipped, and delivered in a timely manner and in good condition.

Growth in Partnerships

Through our network of Manufacturers and Suppliers across the industry, we aim to unlock the full potential of quality solar energy products for your project needs. From our network of reliable solar panel manufacturers to groundbreaking energy storage solutions, we want to ensure we cover all types of applications and product needs so that we can be your one stop shop supplier!
Look to Solux, LLC for your Residential, Commercial, Off-Grid, and Energy Storage needs!

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We believe we have a responsibility to our customers, employees, partners, and community to provide for a better tomorrow. Whether it is a friendly voice over the phone, or a collective effort to create a sustainable and cleaner future - These values keep us accountable to do better in everything that we do.


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We are an online distributor of Solar Energy equipment specializing in supplying Solar Panels, Inverters, Racking, Energy Storage, & Electrical Equipment.

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