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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 GC25 6VDC Flooded Lead-Acid Battery

    Description MK Deka GC25 6VDC Flooded Lead-Acid Battery The DEKA GC25 is a 6‑volt flooded (lead‑acid) deep‑cycle battery in DEKA’s...

    $242.64 USD
    $242.64 USD
    $242.64 USD
  • MK Deka 8C12 12VDC Flooded Lead-Acid Battery

    Description MK Deka 8C12 12VDC Flooded Lead-Acid Battery The DEKA 8C12 is a 12‑volt flooded (lead‑acid) deep‑cycle battery, part of DEKA's...

    $423.01 USD
    $423.01 USD
    $423.01 USD
  • MK Deka 9C12 12VDC Flooded Lead-Acid Battery

    Description MK Deka 9C12 12VDC Flooded Lead-Acid Battery The DEKA 9C12 is a 12‑volt flooded (lead‑acid) deep‑cycle battery, part of...

    $475.79 USD
    $475.79 USD
    $475.79 USD
  • MK Deka 8C6V 6VDC Flooded Lead-Acid Battery

    Description MK Deka 8C6V 6VDC Flooded Lead-Acid Battery The Deka 8C6V is a 6‑volt flooded lead‑acid deep‑cycle battery, part of Deka’s...

    $397.41 USD
    $397.41 USD
    $397.41 USD
  • MK Deka 8C11 6VDC Flooded Lead-Acid Battery

    Description MK Deka 8C11 6VDC Flooded Lead-Acid Battery The Deka 8C11 is a 6‑volt flooded lead‑acid deep-cycle battery from Deka's Pro...

    $257.35 USD
    $257.35 USD
    $257.35 USD
  • MK Deka 9C11 6VDC Flooded Lead-Acid Battery

    Description MK Deka 9C11 Pro Master: 6V 250Ah High-Capacity Deep Cycle Battery The MK Deka 9C11 is an industrial-grade 6V...

    $285.61 USD
    $285.61 USD
    $285.61 USD
  • MK Deka 6TMF 120Ah 12VDC Flooded Lead-Acid Battery

    Description MK Deka 6TMF 120Ah 12VDC Flooded Lead-Acid Battery The Deka 6TMF is a robust, Group 6TL flooded lead-acid battery built to...

    $315.35 USD
    $315.35 USD
    $315.35 USD
  • MK Deka 821 8VDC Flooded Lead-Acid Battery

    Description MK Deka 821 8VDC Flooded Lead-Acid Battery The Deka 821 is part of the heavy‑duty Marine Master flooded battery line manufactured...

    $874.12 USD
    $874.12 USD
    $874.12 USD
  • MK Deka 819 8VDC Flooded Lead-Acid Battery

    Description MK Deka 819 8VDC Flooded Lead-Acid Battery The Deka 819 is an 8‑volt flooded lead-acid battery in Deka’s Heavy-Duty...

    $773.21 USD
    $773.21 USD
    $773.21 USD
  • MK Deka DC24 12VDC Flooded Lead-Acid Battery

    Description MK Deka DC24 12VDC Flooded Lead-Acid Battery The DEKA DC24 is part of DEKA’s Marine Master series, engineered primarily...

    $168.53 USD
    $168.53 USD
    $168.53 USD
  • MK Deka DP31DT 12VDC Flooded Lead-Acid Battery

    Description MK Deka DP31DT 12VDC Flooded Lead-Acid Battery The DEKA DP31DT is part of DEKA’s Marine Master line, offering a...

    $195.15 USD
    $195.15 USD
    $195.15 USD
  • MK Deka 27M6 12VDC Flooded Lead-Acid Battery

    Description MK Deka 27M6 Marine Master: 12V 1050 MCA Group 27 Starting Battery The MK Deka 27M6 is a premium...

    $197.08 USD
    $197.08 USD
    $197.08 USD
  • MK Deka 24M5 12VDC Flooded Lead-Acid Battery

    Description MK Deka 24M5 Marine Master: 12V 550 CCA Group 24 Starting Battery The MK Deka 24M5 is a premium...

    $119.64 USD
    $119.64 USD
    $119.64 USD
  • MK Deka 322NF 12VDC Flooded Lead-Acid Battery

    Description MK Deka 322NF 12VDC Flooded Lead-Acid Battery The DEKA 322NF is a 12‑volt flooded lead-acid starting battery designed for...

    $107.17 USD
    $107.17 USD
    $107.17 USD
  • MK Deka 522FMF 12VDC Flooded Lead-Acid Battery

    Description MK Deka 522FMF 12VDC Flooded Lead-Acid Battery The DEKA 522FMF belongs to the Outdoorsman lineup—designed for rugged outdoor applications...

    $116.71 USD
    $116.71 USD
    $116.71 USD
  • MK Deka 8U1R 12VDC Flooded Lead-Acid Battery

    Description MK Deka 8U1R 12VDC Flooded Lead-Acid Battery The DEKA 8U1R is a rugged, maintenance-free 12‑volt flooded lead-acid battery from...

    $60.21 USD
    $60.21 USD
    $60.21 USD

100% Customer Satisfaction is our Goal!

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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