Powering Your Generator: The Top 10 Batteries with Electric Start Compatibility

Published March 25, 2024 | By greenhome

In today’s world, where power outages can strike unexpectedly, having a reliable generator with electric start functionality is paramount. However, the effectiveness of your generator heavily relies on the quality and compatibility of its battery. To assist you in selecting the perfect battery for your generator, we’ve curated a list of the top 10 batteries specifically designed for generators equipped with electric start features. Whether you’re preparing for emergencies or planning outdoor events, these batteries ensure uninterrupted power supply when you need it most.

Key Considerations When Purchasing Batteries for Generators with Electric Start

  1. Battery Type: Determine the type of battery required for your generator. Common types include lead-acid (AGM, SLA), lithium-ion, and gel batteries. Choose a battery type that suits your generator’s requirements and operating conditions.
  2. Compatibility: Ensure that the battery is compatible with your generator’s make and model. Check the manufacturer’s specifications or consult the generator manual to verify compatibility.
  3. Capacity (Ah): Consider the battery’s capacity, measured in ampere-hours (Ah), which indicates the amount of energy it can store. Choose a battery with sufficient capacity to meet your generator’s power demands and runtime requirements.
  4. Voltage: Verify that the battery’s voltage matches the voltage requirements of your generator’s electrical system. Most generators with electric start feature 12-volt batteries, but it’s essential to confirm this to avoid compatibility issues.
  5. Size and Dimensions: Ensure that the battery’s physical dimensions and form factor are suitable for your generator’s battery compartment or mounting location. Measure the available space and compare it with the battery’s dimensions to ensure a proper fit.
  6. Maintenance Requirements: Consider whether the battery requires regular maintenance, such as adding water to flooded lead-acid batteries or periodic charging for optimal performance. Maintenance-free options, such as AGM or gel batteries, may be preferable for ease of use.
  7. Cycle Life and Durability: Evaluate the battery’s cycle life, which indicates the number of charge-discharge cycles it can withstand before performance degradation. Choose a battery with a high cycle life and durable construction to ensure long-term reliability.
  8. Temperature Range: Consider the operating temperature range of the battery, especially if you plan to use the generator in extreme weather conditions. Opt for a battery with a wide temperature range for reliable performance in varying climates.
  9. Warranty: Check the manufacturer’s warranty coverage for the battery, including terms and duration. A longer warranty period provides added peace of mind and protection against potential defects or premature failure.
  10. Reviews and Reputation: Research customer reviews and feedback for the battery brand and model you’re considering. Pay attention to reliability, performance, and overall satisfaction to make an informed decision.

Top 10 Batteries

  1. ExpertPower EXP12180:
    • Overview: Renowned for its durability and high performance, the ExpertPower EXP12180 is a top choice for generator owners. With a capacity of 18Ah and a maintenance-free design, this sealed lead-acid (SLA) battery offers reliable power delivery over an extended period. Its compatibility with various generator models makes it a versatile option for both residential and commercial use.
    • Main Features/Specs:
      • Capacity: 18Ah
      • Maintenance-free design
      • Sealed lead-acid (SLA) construction
    • Website: ExpertPower
  2. Mighty Max Battery ML35-12:
    • Overview: Designed for maximum performance in demanding conditions, the Mighty Max ML35-12 features a compact and spill-proof construction. With a capacity of 35Ah and exceptional deep-cycle capabilities, it provides reliable starting power and long-lasting performance, ensuring your generator is always ready when needed.
    • Main Features/Specs:
      • Capacity: 35Ah
      • Spill-proof design
      • Absorbent Glass Mat (AGM) technology
    • Website: Mighty Max Battery
  3. Renogy Deep Cycle AGM Battery:
    • Overview: Engineered for off-grid applications, the Renogy Deep Cycle AGM Battery offers superior cycling performance and excellent charge retention. Featuring advanced AGM technology, this battery is rugged and maintenance-free, making it suitable for outdoor use and favored by camping enthusiasts and adventurers.
    • Main Features/Specs:
      • Advanced AGM technology
      • Rugged design
      • Maintenance-free operation
    • Website: Renogy
  4. Universal Power Group UB12350:
    • Overview: Versatile and durable, the Universal Power Group UB12350 is compatible with a wide range of generator models. With a capacity of 35Ah and a robust construction, it provides reliable starting power and exceptional longevity, making it a popular choice for standby power applications.
    • Main Features/Specs:
      • Capacity: 35Ah
      • Vibration resistance
      • Versatile design
    • Website: Universal Power Group
  5. ACDelco Deep Cycle Marine Battery:
    • Overview: Known for its quality and reliability, the ACDelco Deep Cycle Marine Battery is engineered with marine-grade components for corrosion resistance. With deep-cycle capabilities and dependable starting power, it’s suitable for extended backup power needs in both marine and land-based applications.
    • Main Features/Specs:
      • Marine-grade components
      • Deep-cycle capabilities
      • Corrosion resistance
    • Website: ACDelco
  6. VMAXTANKS VMAXSLR125:
    • Overview: Offering exceptional performance and longevity, the VMAXTANKS VMAXSLR125 features advanced AGM technology and a maintenance-free design. Its robust construction and superior vibration resistance make it an ideal solution for demanding applications.
    • Main Features/Specs:
      • Advanced AGM technology
      • Maintenance-free design
      • Superior vibration resistance
    • Website: VMAXTANKS
  7. Chrome Battery Deep Cycle SLA:
    • Overview: Engineered for durability and performance, the Chrome Battery Deep Cycle SLA provides consistent power delivery with its spill-proof design. With a capacity of 35Ah and maintenance-free operation, it’s suitable for both residential and commercial use.
    • Main Features/Specs:
      • Capacity: 35Ah
      • Spill-proof design
      • Maintenance-free operation
    • Website: Chrome Battery
  8. NPP NP12-35Ah Rechargeable AGM Battery:
    • Overview: The NPP NP12-35Ah Rechargeable AGM Battery offers reliable power output and long-term durability with its advanced AGM technology. Its exceptional cycling performance and maintenance-free operation make it a preferred option for various generator applications.
    • Main Features/Specs:
      • Advanced AGM technology
      • Exceptional cycling performance
      • Maintenance-free operation
    • Website: NPP
  9. PowerStar PS12-35-5741:
    • Overview: Balancing performance and affordability, the PowerStar PS12-35-5741 provides reliable starting power with its compact and maintenance-free design. With a capacity of 35Ah and long-lasting performance, it’s suitable for residential and light commercial applications.
    • Main Features/Specs:
      • Capacity: 35Ah
      • Compact size
      • Maintenance-free operation
    • Website: PowerStar
  10. Mighty Max Battery ML18-12:
    • Overview: Compact yet powerful, the Mighty Max ML18-12 features a sealed lead-acid construction for dependable starting power in various environmental conditions. With a capacity of 18Ah and a spill-proof design, it’s a convenient and cost-effective choice for backup power applications.
    • Main Features/Specs:
      • Capacity: 18Ah
      • Sealed lead-acid (SLA) construction
      • Spill-proof design
    • Website: Mighty Max Battery

Pros and Cons Comparison

Battery Model Pros Cons
ExpertPower EXP12180 – Durable and high performance – Relatively lower capacity compared to some competitors
Mighty Max Battery ML35-12 – Maximum performance in demanding conditions – May be bulkier compared to other options
Renogy Deep Cycle AGM – Superior cycling performance – Slightly higher price point
Universal Power Group UB12350 – Versatile design, compatible with a wide range of generator models – Some users report issues with longevity
ACDelco Deep Cycle Marine – Quality and reliability – May require occasional maintenance
VMAXTANKS SLR125 – Long-lasting performance and deep cycling capabilities – Heavier compared to some alternatives
Chrome Battery SLA – Affordable option with reliable performance – Some users report occasional durability issues
Amstron GC2 AGM – High capacity and long lifespan – May be more expensive than other options
Odyssey PC680 – High cranking power and durability – Higher price point compared to traditional lead-acid batteries
Weize 12V 100AH Deep Cycle – Large capacity for extended power backup – Bulky size may not be suitable for all generator setups

Price Comparison

Battery Model Price Range (Approx.) Performance Rating (Out of 5)
ExpertPower EXP12180 $50 – $60 4.5
Mighty Max Battery ML35-12 $65 – $75 4.7
Renogy Deep Cycle AGM $90 – $110 4.8
Universal Power Group UB12350 $55 – $65 4.3
ACDelco Deep Cycle Marine $110 – $130 4.6
VMAXTANKS SLR125 $120 – $140 4.9
Chrome Battery SLA $45 – $55 4.2
Amstron GC2 AGM $140 – $160 4.8
Odyssey PC680 $130 – $150 4.9
Weize 12V 100AH Deep Cycle $170 – $190 4.7

Where to Buy?

Here are the website links to five popular online stores where you can purchase these batteries:

  1. Amazon: www.amazon.com
  2. Home Depot: www.homedepot.com
  3. Walmart: www.walmart.com
  4. BatteryMart: www.batterymart.com
  5. BatteryStuff: www.batterystuff.com

Conclusion:

Selecting the right battery for a generator with electric start is crucial to ensure reliable power supply during emergencies or outdoor activities. Before making a purchase, it’s essential to consider several factors to ensure compatibility, performance, and longevity.

Key Takeaways:

  1. Compatibility is Key: Verify that the battery is compatible with your generator’s make and model to avoid compatibility issues and ensure proper functionality.
  2. Capacity and Voltage: Choose a battery with sufficient capacity (Ah) and voltage to meet your generator’s power demands and electrical system requirements.
  3. Size and Dimensions: Ensure that the battery’s size and dimensions fit your generator’s battery compartment or mounting location for a proper installation.
  4. Maintenance Requirements: Consider the battery’s maintenance needs and opt for maintenance-free options for convenience and ease of use.
  5. Cycle Life and Durability: Look for batteries with a high cycle life and durable construction to withstand frequent charge-discharge cycles and ensure long-term reliability.
  6. Temperature Range: Select a battery with a wide temperature range to ensure reliable performance in varying weather conditions.
  7. Warranty Coverage: Check the manufacturer’s warranty for the battery to ensure adequate protection against defects or premature failure.
  8. Research and Reviews: Take the time to research customer reviews and feedback to gauge the reliability, performance, and overall satisfaction of the battery brand and model you’re considering.

By considering these factors and making an informed decision, you can choose a battery that meets your generator’s requirements and provides dependable power when you need it most. Remember that investing in a quality battery is essential for ensuring uninterrupted power supply and peace of mind during power outages or outdoor adventures.

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