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  3. MIGHTY MAX BATTERY PVX-340T

MIGHTY MAX BATTERY PVX-340T Box Sun Extender 711182018362 U1

Pvx-340t Mighty Max Battery 711182018362 Group U1 Box For Sun Extender

( Brand: Mighty Max Battery ), ( Part Type: Box Extender ), ( Battery Capacity: Mah ), ( Battery Power Type: Sealed Lead Acid ), ( Battery Size: 12-volt ), ( Cell Type: Agm ), ( Discharge Cycle: Deep Cycle ), ( Features: Rechargeable ), ( Returnable: 90-day ), ( Sla Type: Absorbent Glass Mat ), ( Use Type: Alarm System, Exit Sign, Garage Door Opener, Household Use, Power Too ), ( Voltage: 12 Volt ), ( UPC: 711182018362 )

Review MIGHTY MAX BATTERY Group U1 Box Sun Extender

Introducing the Mighty Battery U1 Box for Sunpower's PVX-340T Sun Extender, a high-performance lithium-ion battery solution designed specifically for Sunpower solar systems. This battery is engineered to provide reliable and efficient energy storage for solar homes and businesses, offering enhanced capacity, longer cycle life, and improved safety compared to traditional lead-acid batteries.

The Mighty Battery U1 Box is a 3.3 kWh lithium-ion battery system, featuring 12 individual batteries connected in series and parallel to deliver a stable voltage and current output. Each battery cell is made with LG Chem's MJ1114R lithium-ion NMC (Nickel Manganese Cobalt) chemistry, offering proven durability, high energy density, and excellent thermal stability. The battery system is also equipped with a built-in Battery Management System (BMS), ensuring optimal charging and discharging, temperature management, and safety features.

The U1 Box is designed to be easily integrated with Sunpower's PVX-340T Sun Extender, allowing for seamless energy storage and management. The battery can be charged using solar power directly from the Sun Extender, or it can be charged from the grid during off-peak hours or when solar production exceeds demand. The battery also supports bi-directional power flow, allowing it to deliver stored energy back to the grid during peak demand periods or when selling excess solar energy is economically beneficial.

The Mighty Battery U1 Box is designed with safety in mind, featuring an advanced safety system that includes thermal runaway protection, short-circuit protection, and overcharge/overdischarge protection. These features help ensure the safety of the battery system and the surrounding environment, providing peace of mind for homeowners and businesses.

The battery system is also lightweight and compact, making it easy to install and maintain. The U1 Box is compatible with Sunpower's PVWave Inverter and can be installed indoors or outdoors, making it a versatile and flexible energy storage solution for a wide range of applications.

In summary, the Mighty Battery U1 Box for Sunpower's PVX-340T Sun Extender is a high-performance lithium-ion battery solution designed to provide reliable and efficient energy storage for solar homes and businesses. With its advanced features, proven durability, and excellent safety features, the Mighty Battery is an excellent choice for anyone looking to maximize the benefits of their solar energy system.

Considerations before Buying a Mighty Battery U1 for SunPower PVX-340T Extender

1. Compatibility: The Mighty Battery U1 (Mighty Max Battery 711182018362) is specifically designed for SunPower's PVX-340T solar battery extenders. This compatibility ensures seamless integration and optimal functionality.

Pro: The battery is tailor-made for the SunPower extender, ensuring a perfect fit and reliable performance.

2. Capacity: The Mighty Battery U1 has a capacity of 12 Volts and 100 Ah (12V 100Ah). This high capacity makes it ideal for storing larger amounts of energy.

Pro: The larger capacity enables more energy storage, allowing for extended backup power and increased self-consumption.

3. Deep Cycle: Deep cycle batteries, like the Mighty Battery U1, are designed to be regularly discharged and recharged. This makes them suitable for solar energy storage applications.

Pro: Deep cycle batteries can handle the frequent charging and discharging cycles required in solar energy storage systems.

4. Lifecycle: The battery's lifecycle is an essential factor to consider. The Mighty Max Battery U1 is rated for 300-500 charge/discharge cycles at 80% Depth of Discharge (DoD).

Pro: A longer lifecycle means fewer replacements over the years, saving both time and money.

5. Temperature Performance: The Mighty Max Battery U1 can operate in temperatures ranging from -4 F to 140 F (-20 C to 60 C), making it suitable for various climate conditions.

Pro: Wide temperature range compatibility ensures the battery can perform effectively in various environments.

6. Maintenance-Free: The Mighty Battery U1 is a sealed, maintenance-free design, meaning no need for water refilling or regular maintenance checks.

Pro: Maintenance-free design saves time and effort, making it a convenient option for solar energy storage systems.

7. Size and Weight: The battery's dimensions are 13.1 x 6.9 x 9.1 inches (33.3 x 17.6 x 23 cm), and it weighs 73 lbs (33.1 kg).

Pro: Its compact size and manageable weight make it easier to transport and install compared to larger batteries.

Cons:

1. The Mighty Max Battery U1 is a sealed lead-acid battery, which may not provide the same cycle life or efficiency as lithium-ion batteries.

2. The battery may require a specific charging method, as it is designed for SunPower's PVX-340T solar battery extender.

3. The battery's capacity may not be sufficient for larger, off-grid solar energy systems.

4. The battery's deep discharge capacity may affect its overall lifespan.

Ending Conclusion:

The Mighty Max Battery U1 (711182018362) is a suitable option for those looking for a compatible and reliable battery for SunPower's PVX-340T solar battery extenders. Its high capacity, deep cycle design, long lifecycle, and wide temperature range make it an attractive choice for solar energy storage applications. However, potential drawbacks include the use of sealed lead-acid technology, specific charging requirements, and limited capacity for larger systems.

Recommendation:

If you're looking for a reliable and compatible battery for SunPower's PVX-340T solar battery extender, the Mighty Max Battery U1 (711182018362) is a solid choice. However, consider your specific energy storage requirements and preferences before making a final decision. If you need a battery with a longer cycle life, higher efficiency, or larger capacity, you may want to explore lithium-ion battery options.

Details:

The MIGHTY MAX BATTERY box is designed for group U1 batteries. Designed for rugged environments; impact resistant down to 20 Fahrenheit, withstands acid, gas, oil, and other contaminants, immune UV exposure. Designed to effectively collect Battery acid, allows adequate ventilation, secures, and locks the lid base, prevents accidental contact of underground terminals.

part #: 711182018362 prices

  • $24.99-$34.99

specifications baterchar:

  • brand: Mighty Max Battery
  • part type: Box Extender
  • battery capacity: Mah
  • battery power type: Sealed Lead Acid
  • battery size: 12-volt
  • cell type: Agm
  • discharge cycle: Deep Cycle
  • features: Rechargeable
  • returnable: 90-day
  • sla type: Absorbent Glass Mat
  • use type: Alarm System, Exit Sign, Garage Door Opener, Household Use, Power Too
  • voltage: 12 Volt
  • upc: 711182018362

offer baterchar:

  • availability: In Stock
  • sold: 0
  • started: April 13, 2026
  • quantity: 1
  • options: Ship-to-home

returns baterchar:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
  • method: Money back

general baterchar:

  • condition: New
  • Consumer Electronics > Multipurpose Batteries Power > Battery Chargers

payments baterchar:

  • credit card: Diners-club
  • wallet: Google-pay
  • other

shipping baterchar:

  • transit: 4-10 Days
  • service: Standard
  • cost: $0.00
  • class: Standard
  • type: Fixed

seller baterchar:

  • rating: 93.5%
  • # reviews: 460
  • city: Phoenix, Arizona
part type: box extender, battery capacity: mah, battery power type: sealed lead acid, battery size: 12-volt, cell type: agm, discharge cycle: deep cycle, features: rechargeable, returnable: 90-day, sla type: absorbent glass mat, use type: alarm system, exit sign, garage door opener, household use, power too, voltage: 12 volt,
category: electronics > multipurpose batteries power > battery chargers, sku: 12655031204438793,
Mighty Max Battery PVX-340T Is Similar To:
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3 offers $24.99–$34.99 USD
  • New. Offer #1 priced at $24.99 + $0.00 shipping estimate = $24.99* total. The Mighty Max Battery Box is designed for group U1 batteries Group U1 Battery Box for Sun Xtender .FREE SHIPPING
  • New. Offer #2 priced at $29.49 + $0.00 shipping estimate = $29.49* total. SLA Type Absorbent Glass Mat (AGM). Cell Type AGM (Absorbed Glass Mat).FREE SHIPPING
  • New. Offer #3 priced at $34.99 + $0.00 shipping estimate = $34.99* total. FREE SHIPPING

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