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Best Energy Storage System

Updated: Apr 3


best energy storage system

In today ever-evolving landscape of energy consumption, the need for reliable and robust energy storage solutions has become more pressing than ever before. With the rise in natural disasters, the increasing frequency of power outages, and the looming threat of electromagnetic pulses (EMPs), safeguarding energy reserves has become paramount for individuals and communities alike. Amidst this pressing need, the combined power of the EMP Shield and Lion Energy's Redoubt emerges as a formidable contender, promising unparalleled preparedness and peace of mind. Featuring EMP Shield's 'Grid Down,' the best energy storage system on the market! See for yourself with the comparison table down below!


Best Energy Storage System Features


● Lion Energy Sanctuary – Energy Storage System with a 27-81 kWh Battery Storage Capacity. - 1-2x Hybrid Inverter (24kW Solar/DC Input, 16-28kW AC Output. 180 Amp Grid Passthrough) - 2-6x 13.5 kWh LiFePO4 Batteries (27-81 kWh Total Capacity)

● 56x Mission Solar PERC 66 395 Watt Panels (22,120 watts). Made in the USA and Comes With a 25 Year Warranty. (for Redoubt 81 kWh Solar Bundle only) ● 25 Year Industry Leading Warranty on the Lion Sanctuary ESS. ● Complete EMP Shield Electromagnetic Pulse and Lightning Protection for Your Entire Home and the Grid Down Redoubt System. EMP Shields Included are: - 2-8x DC EMP Shields (Protects 4x Solar Arrays) -2-3x AC EMP Shields (Protects Home + Redoubt) ● EMP Shield Protection is Listed by the Department of Homeland Security in their EMP Resilience Report. ● 10 Year EMP Shield Warranty with 100% Guaranteed Lightning Protection Backed by a $25,000 Insurance Policy. ● Eligible for 30% US Tax Rebate (See Below for Details)* ● Free Shipping (Within the Continental US). Ships Within 7-18 Business Days.

● 7% discount on top of the already low price with Grid Down Redoubt coupon code: SAVE100


battery energy storage system
For the Best Selling REDOUBT 54 kWh


The Grid Down Redoubt is one of the worlds most advanced, modular, easy to install and comprehensive energy storage systems on the market. Based around the Sanctuary Energy Storage System by Lion Energy, the Redoubt takes energy storage a step further by including advanced EMP and lightning protection. Backed by an industry leading 25 year warranty, the Grid Down Redoubt is on average 20%+ more affordable than most other comparable energy storage systems. It becomes even more affordable when you use our special 7% discount with coupon code: SAVE100.


With a focus on safety, the Grid Down Redoubt provides industry leading safety certification and compliance. The systems feature more storage capacity and inverter capability than most other energy storage systems on the market in this class. For anyone looking to purchase an energy storage system, we challenge you to shop around. After you do your research you will find that the Grid Down Redoubt's features, warranty, safety, protection, and price make it one of the best energy storage systems in the industry.


The EMP Shield stands as a pioneering technology that defends against electromagnetic pulses, shielding crucial electronic devices from their potentially devastating impact. Developed by engineers with a deep understanding of EMPs, the EMP Shield offers a layer of protection that secures not just energy storage systems but also an array of electronic equipment critical for survival and communication during times of crisis. Its ability to safeguard against both natural and man-made EMPs makes it an essential component in any comprehensive energy storage setup.


Complementing the EMP Shield is the Lion Energy energy storage system, a cutting-edge energy storage system that combines efficiency, durability, and portability. Engineered to provide long-lasting power in the face of emergencies, the Redoubt boasts a substantial 27-81 kWh capacity, ensuring that households and communities can sustain essential operations for extended periods. Its lithium-iron phosphate battery technology guarantees superior performance, reliability, and a longer lifespan compared to traditional lead-acid batteries, making it an ideal choice for long-term energy resilience.


Moreover, the user-friendly design of the Redoubt ensures hassle-free installation and operation, making it an accessible and practical solution for a diverse range of users, from individuals seeking personal preparedness to organizations requiring reliable energy reserves for critical operations. Its versatility further extends to applications in off-grid living, outdoor adventures, and remote work settings, fostering an adaptable and resilient energy infrastructure for a variety of lifestyles and needs.


As the world continues to grapple with the unpredictability of natural disasters and potential technological threats, investing in a robust energy storage system has become a non-negotiable priority. The combined forces of the EMP Shield and Lion Energy's Redoubt offer not only an advanced and dependable solution for energy storage but also a symbol of empowerment and readiness in the face of adversity. With these groundbreaking technologies at the helm, individuals and communities can proactively fortify their energy reserves and pave the way for a more secure and sustainable future.


Best Energy Storage Systems Comparison Table

In the comparison of the Grid Down Redoubt with other leading energy storage systems such as the Tesla Powerwall 2, EnPhase IQ, Generac PWRcell, SolarEdge Home, Sonnen Eco10, EcoFlow 2 Delta Pro + Smart Panel, and Bluetti 2*AC500 +4B 300S, the Grid Down Redoubt stands out with its superior LiFePO4 battery chemistry, inverter integration, 100% depth of discharge, remarkable round-trip efficiency, and an extended warranty period of 25 years, solidifying its position as a reliable, durable, and high-performing energy storage solution.


Best energy storage systems

Who Makes the Best Energy Storage System?

Lion Energy is the top of the line company that makes these battery energy storage systems. Lion Energy partnered with EMP Shield to create the best system on the market. You can also get solar panels from their partner, Mission Solar Panels to complete your system for a full off the grid energy storage system.


What is the Best Solar Energy Storage System?

The Grid Down Redoubt series is the best energy system on the market and when combined with Mission Solar Energy's solar panels, it becomes the best solar energy storage system. In order to make the Grid Down systems fully solar, you must purchase the solar panels separately. However, the Grid Down Redoubt systems are designed to be used with solar or your power grid, so installation is very simple.


What is the Warranty for the Best Energy Storage System?

The Grid Down Redoubt has a 25 Year Industry Leading Warranty, a 10 Year EMP Shield Warranty that also has a 100% guaranteed lightning protection backed by a $25,000 insurance policy. All other energy storage systems have a 10 year warranty or lower. This is just another reason to see how the Grid Down Redoubt is the best battery energy storage system.


Where Can I Buy the Best Energy Storage System?

You can purchase the best energy storage system, Grid Down Redoubt right from our special link below from EMP Shield. If you sign up with our special link with the button below you can get over 7% off these top of the line battery energy storage systems, which will save you thousands!



Top Grid Down Redoubt Review


"I have the Grid Down Redoubt installed and I love it!

Grid Down has teamed up with Lion Energy (which I have owned their Sanctuary system for 2 years now and love) To make what I think is the best Energy Storage system even better! They are making it Lightning and EMP protected and easy for the DIYer to install. "

Al Lumnah

Lumnah Acres




What Energy Storage Size do I need to Power my Home?


The size of the energy storage system you need to power your home depends on several factors, including your energy consumption, the type of energy storage technology you choose, your energy usage patterns, and your goals for backup power or energy independence.


Read through the steps below or check out this free Energy Storage Size Calculator to help determine what you need.


Here are some steps to help you determine the appropriate energy storage size for your home:

  1. Calculate your energy consumption: Start by reviewing your electricity bills to understand your average monthly and annual energy consumption in kilowatt-hours (kWh). This information will serve as a baseline for sizing your energy storage system.

  2. Determine your goals: Decide what you want to achieve with your energy storage system. Common goals include reducing electricity bills, achieving energy independence, and having backup power during outages. Your goals will influence the size and features of the system.

  3. Assess your energy usage patterns: Analyze your daily and seasonal energy usage patterns. Do you have peak energy demands during specific times of the day or year? Understanding when you need the most energy will help you size the system accordingly.

  4. Select the type of energy storage technology: There are different types of energy storage systems available, including lithium-ion batteries, lead-acid batteries, flow batteries, and more. The choice of technology can affect the size and cost of the system. Lithium-ion batteries are a common choice for residential applications due to their high energy density and efficiency.

  5. Calculate your storage capacity needs: To determine the size of the energy storage system you need, consider the following factors: a. Backup power: If you want backup power during outages, calculate how many hours or days you want the system to support your essential loads. Multiply your daily energy consumption during an outage by the desired backup duration. b. Energy self-sufficiency: If your goal is to become more energy-independent and reduce grid reliance, consider sizing your system to cover a larger portion of your energy needs. You may aim for partial or full energy self-sufficiency. c. Solar or wind integration: If you have a solar panel or wind turbine system, consider how much excess energy you want to store for use during non-generating hours or cloudy days.

  6. Factor in system losses: Energy storage systems have efficiency losses during charging and discharging. For lithium-ion batteries, typical round-trip efficiency is around 90-95%. Adjust your capacity calculations to account for these losses.

  7. Consult with a professional: It's often beneficial to consult with a solar or energy storage professional who can perform a detailed energy audit and provide specific recommendations based on your home's unique circumstances.

  8. Consider scalability: Depending on your budget and future needs, you might choose to install a scalable energy storage system that can be expanded over time to meet changing requirements.

Keep in mind that the size of your energy storage system will directly impact the cost, so it's important to strike a balance between your goals and budget. Additionally, local regulations, incentives, and available products may influence your choices, so it's essential to research and plan accordingly.



What Size Battery Pack is Required for Home Energy Storage?


The size of the battery pack required for home energy storage depends on your specific energy needs and goals. To determine the appropriate battery pack size for your home, you should consider the following factors:

  1. Energy Consumption: Start by analyzing your historical energy consumption, typically measured in kilowatt-hours (kWh). Review your electricity bills to understand your average monthly and annual usage. This data will serve as the basis for calculating your battery storage needs.

  2. Load Profile: Examine your daily and seasonal energy usage patterns. Identify peak demand periods and when you typically use the most electricity. This information helps you size the battery to meet your specific needs, especially if you want to reduce peak demand charges or have backup power during high-demand periods.

  3. Backup Power Requirements: If one of your goals is to have backup power during grid outages, determine the amount of energy you need to power essential loads during an outage. Multiply your daily backup energy requirement by the desired backup duration (e.g., a few hours, a full day, multiple days) to calculate the necessary battery capacity.

  4. Energy Independence Goals: If your aim is to become more energy-independent or rely less on the grid, consider sizing the battery to cover a larger portion of your daily energy consumption. You may opt for partial or full energy self-sufficiency, depending on your preferences and budget.

  5. Solar or Renewable Integration: If you have solar panels or other renewable energy sources, consider how much excess energy you want to store for use during periods when the sun isn't shining or your renewable generation is low. This can help you make the most of your clean energy production.

  6. Battery Efficiency: Keep in mind that energy storage systems have efficiency losses during charging and discharging. Lithium-ion batteries, which are commonly used for residential applications, typically have round-trip efficiencies in the range of 90-95%. Adjust your required battery capacity to account for these losses.

  7. Financial Considerations: Consider your budget and the cost of the battery system. Larger battery packs with higher capacity will be more expensive. Evaluate the return on investment (ROI) based on your energy savings, backup power needs, and potential incentives or rebates.

  8. Consult with Experts: It's often beneficial to consult with a professional installer or energy expert who can perform a detailed analysis of your energy needs and recommend the most suitable battery size for your specific situation.

Remember that the size of the battery pack should be a well-balanced decision that aligns with your goals, budget, and energy consumption patterns. It's essential to strike a balance between having enough storage capacity to meet your needs and not oversizing the system, which can increase costs unnecessarily. Additionally, local regulations, available products, and incentives can influence your choice of battery size, so be sure to research your options thoroughly.



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