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We researched and compared the best batteries for the Yamaha Rhino 660, evaluating manufacturer specifications, safety standards, and aggregated owner feedback. Our guide covers AGM, lithium, and lead-acid options so you can choose the right fit for your UTV.

Photo Product Score Buy
Odyssey PC680 Odyssey PC680
Top Pick
AGM, 17 Ah, 310 CCA, 6.4 x 7.0 x 6.9 inches
9.2 🛒 Check Price
🚗
Yuasa YTX20HL-BS
Runner Up
AGM, 18 Ah, 270 CCA, 6.9 x 3.4 x 6.3 inches
8.8 🛒 Check Price
Mighty Max ML20-12 Mighty Max ML20-12
Best Value
AGM, 20 Ah, 250 CCA, 7.1 x 3.0 x 6.6 inches
8.4 🛒 Check Price
🚗
Antigravity ATX-20-RS
Lightweight Choice
Lithium Iron Phosphate, 20 Ah, 400 CCA, 6.6 x 3.4 x 5.0 inches
8.7 🛒 Check Price
Banshee YTX20HL-BS Banshee YTX20HL-BS
Budget Pick
AGM, 18 Ah, 270 CCA, 6.9 x 3.4 x 6.3 inches
7.8 🛒 Check Price
🚗
Chrome Battery YTX20HL-BS
High Capacity
AGM, 20 Ah, 300 CCA, 6.9 x 3.4 x 6.3 inches
8.1 🛒 Check Price
🚗
Weize YTX20HL-BS
Economy Option
AGM, 18 Ah, 270 CCA, 6.9 x 3.4 x 6.3 inches
7.3 🛒 Check Price

1. Odyssey PC680: Top Pick

Odyssey PC680

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The Odyssey PC680 is a premium AGM battery known for its rugged construction and high power output. With 310 cold cranking amps and a pure lead design, it delivers reliable starting even in cold weather. Owner feedback highlights its ability to handle the Rhino 660’s demands without voltage sag.

However, its price is a significant factor, and some users find the terminal orientation requires minor modification. If you are on a tight budget or rarely ride in extreme conditions, a standard AGM may suffice. But for those who want maximum reliability and longevity, this is our top pick.

  • Pure lead construction for extreme vibration resistance
  • Long shelf life up to 2 years at 77°F
  • High cranking amps for reliable cold starts

Pros: Exceptional durability and cycle life; Spill-proof and maintenance-free
Cons: Higher upfront cost than standard flooded batteries

2. Yuasa YTX20HL-BS: Runner Up

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The Yuasa YTX20HL-BS is a direct-fit AGM battery that many owners choose for its reliable performance and ease of installation. It meets OEM specifications and provides ample power for starting and running accessories. In our evaluation, it scored well for durability and safety, with a sealed design that prevents leaks.

One limitation is its 270 CCA, which may struggle in extreme cold compared to higher-output options. Riders who frequently operate in sub-freezing conditions may want a battery with more cold-cranking amps. However, for most conditions, this is a solid choice.

  • Factory-activated sealed AGM design
  • Drop-in replacement for OEM battery
  • Consistent performance across temperature ranges

Pros: Direct fit for Yamaha Rhino 660; Trusted brand with strong warranty support
Cons: Slightly lower CCA than some competitors

3. Mighty Max ML20-12: Best Value

Mighty Max ML20-12

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The Mighty Max ML20-12 is a budget-friendly AGM battery that offers a good balance of capacity and price. With 20 Ah, it can power lights and winches, but its 250 CCA is modest. Owner feedback indicates it works well in moderate climates but may struggle in freezing temperatures.

We recommend this for Rhino 660 owners who don’t ride in extreme cold and want to save money. However, if you need maximum starting power or ride in harsh winters, consider a higher-CCA option. It’s a value pick, not a performance leader.

  • Rechargeable sealed lead-acid AGM
  • Low self-discharge rate
  • Flexible for both starting and deep cycle use

Pros: Excellent value for the capacity; Good for moderate accessory loads
Cons: Lower CCA may not crank well in very cold weather

4. Antigravity ATX-20-RS: Lightweight Choice

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The Antigravity ATX-20-RS is a lithium battery that offers a huge weight savings and high cranking power. Its 400 CCA ensures reliable starts, and the BMS protects against overcharge and deep discharge. Owner reviews praise its performance and the restart feature.

However, the price is steep, and lithium batteries need a specific charger to avoid damage. If you are weight-conscious or want the latest tech, this is a great option. But for most riders, the cost may not justify the benefits over AGM.

  • Weighs only 4.5 lbs, 60% lighter than lead-acid
  • Built-in Battery Management System (BMS)
  • Restart function if battery is drained

Pros: Extremely lightweight, reduces overall vehicle weight; High CCA for strong starting
Cons: Significantly higher cost; Requires compatible charger for optimal lifespan

5. Banshee YTX20HL-BS: Budget Pick

Banshee YTX20HL-BS

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The Banshee YTX20HL-BS is an affordable AGM battery that fits the Rhino 660. It provides adequate starting power for most conditions and is easy to install. Owner feedback is mixed, with some reporting good service life and others experiencing early failure.

We recommend this only if you are on a strict budget and willing to accept potential reliability trade-offs. For those who ride frequently or in demanding conditions, spending more on a Yuasa or Odyssey is advisable.

  • Sealed maintenance-free AGM
  • Direct replacement for OEM Yuasa
  • Includes acid pack for activation

Pros: Lowest price among AGM options; Good for basic starting needs
Cons: Shorter lifespan than premium brands; Mixed reviews on long-term reliability

6. Chrome Battery YTX20HL-BS: High Capacity

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The Chrome Battery YTX20HL-BS offers a higher capacity (20 Ah) and 300 CCA, making it suitable for Rhino 660 owners with added electrical loads. In our evaluation, it performed well in starting and powering accessories. Owner feedback is generally positive, but some note fitment issues due to slightly larger size.

If you have a winch or extra lights, this battery provides extra reserve. However, check dimensions before buying. For stock vehicles, the standard Yuasa may be a safer fit.

  • Higher 20 Ah capacity for accessories
  • 300 CCA for improved cold starts
  • Sealed and vibration resistant

Pros: More capacity than standard YTX20HL-BS; Good cranking power
Cons: Slightly larger dimensions may require fit check; Brand less established than competitors

7. Weize YTX20HL-BS: Economy Option

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The Weize YTX20HL-BS is an economy AGM battery that fits the Rhino 660. It offers basic starting power and is one of the cheapest options available. Owner feedback is mixed, with many satisfied for the price but some reporting failure within a year.

This battery is best for occasional use or as a temporary replacement. If you rely on your Rhino for work or frequent riding, we suggest investing in a higher-quality battery to avoid being stranded.

  • Sealed AGM, maintenance-free
  • Direct fit for Yamaha Rhino 660
  • Includes mounting hardware

Pros: Very affordable price point; Comes with hardware
Cons: Shorter lifespan reported by some users; Lower quality control compared to premium brands

Frequently Asked Questions

What type of battery does a Yamaha Rhino 660 use?

The Yamaha Rhino 660 originally uses a YTX20HL-BS battery, which is a 12-volt, 18 Ah AGM (Absorbent Glass Mat) battery. AGM batteries are sealed, maintenance-free, and resistant to vibration, making them ideal for off-road use.

Can I use a lithium battery in my Rhino 660?

Yes, you can use a lithium battery like the Antigravity ATX-20-RS, but you must ensure it has a Battery Management System (BMS) and use a compatible charger. Lithium batteries are lighter and have higher CCA, but they are more expensive and sensitive to charging.

How do I know if a battery will fit my Rhino 660?

Check the battery dimensions and terminal orientation. The OEM size is approximately 6.9 x 3.4 x 6.3 inches. Most aftermarket YTX20HL-BS batteries are direct fit, but always verify measurements and terminal positions to avoid installation issues.

What does CCA mean and how much do I need?

CCA stands for Cold Cranking Amps, a measure of a battery’s ability to start an engine in cold temperatures. For the Rhino 660, a minimum of 250 CCA is recommended, but 300 CCA or higher provides better cold-weather performance.

How long should a battery last in a Rhino 660?

Battery life depends on usage and maintenance. A quality AGM battery like Odyssey or Yuasa can last 3-5 years with proper care. Lithium batteries may last longer, but all batteries degrade faster if frequently deeply discharged or exposed to extreme temperatures.

Our Verdict

Our top pick is the Odyssey PC680 for its exceptional durability and high cranking power, making it ideal for demanding conditions. The runner-up is the Yuasa YTX20HL-BS, a reliable direct-fit AGM that balances performance and value for most Rhino 660 owners.

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