Can Am Outlander 570 Battery Size: The Pro'S No-Fail Replacement Guide

There’s nothing worse than gearing up for a trail ride, turning the key on your Can-Am Outlander 570, and hearing that dreaded, soul-crushing click-click-click of a dead battery. It’s a moment that can stop a great day in its tracks before it even begins.

You know you need a new battery, but searching online unleashes a confusing flood of codes, types, and sizes. Picking the wrong one means it won’t fit, won’t have enough power for your winch, or will leave you stranded miles from anywhere. We get it, and we’re here to cut through the noise.

This is your definitive can am outlander 570 battery size guide. We promise to give you the exact information you need to choose the right battery with confidence, install it safely, and get back to what you love—ripping up the trails. We’ll cover everything from the factory size and upgrade options to pro installation tips and a long-term care guide.

Why Getting the Right Can-Am Outlander 570 Battery Size Matters

You might think, “a battery is a battery,” but for a machine like the Outlander 570, that’s a risky oversimplification. The battery is the heart of your ATV’s electrical system, and getting the size and specs right is non-negotiable for both performance and safety.

The Dangers of an Incorrectly Sized Battery

Choosing the wrong battery isn’t just an inconvenience; it can cause real problems. Here’s what we see in the shop all the time from poor battery choices:

Physical Fitment Issues: A battery that’s too large simply won’t fit in the designated tray. Trying to force it can damage the battery case, the tray, or nearby components. A battery that’s too small will slide around, leading to excessive vibration that can shorten its life and potentially damage the terminals.
Insufficient Power: A battery with too low of a Cold Cranking Amp (CCA) rating may struggle to start your Outlander, especially in colder weather. This problem gets worse if you’re running accessories like a winch, light bars, or heated grips.
Electrical System Damage: While less common with just a size mismatch, installing a battery with the incorrect voltage (which is nearly impossible unless you’re not paying attention at all) can fry your ATV’s sensitive electronics, leading to a catastrophically expensive repair.

Understanding the benefits of can am outlander 570 battery size accuracy means you’re investing in reliability. The right battery ensures a perfect fit, ample power for starting and accessories, and a longer, healthier life for your entire electrical system.

The Correct Can-Am Outlander 570 Battery Size

Let’s get straight to the point. The OEM (Original Equipment Manufacturer) battery size for most Can-Am Outlander 570 models is a YTX20L-BS.

This isn’t just a random string of letters and numbers. It’s a standardized code that tells you everything you need to know. Let’s break it down so you can shop like a pro.

Decoding the Battery Code: YTX20L-BS

YTX: This is a manufacturer designation for a high-performance AGM powersports battery. You might see similar prefixes like CTX or PTX from different brands, but they refer to the same case size.
20: This number indicates the power output level of the battery. It’s a relative performance rating. A “20” is more powerful than a “14” or a “12.”
L: This is critical. The “L” stands for “Left,” meaning the negative terminal is on the left side when you are looking at the front of the battery (the side with the text). Choosing a YTX20-BS (no “L”) would mean the terminals are reversed, and your cables won’t reach.
BS: This indicates that the battery is a sealed AGM type, often shipped with the acid separately for you to fill and seal (though many now come factory-activated).

So, when you’re shopping, the most important parts to match are the “20L” and the physical dimensions. Most brands that make a YTX20L-BS battery will have the same case size.

Pro Tip: Always double-check the dimensions listed by the manufacturer against your old battery before you buy. A standard YTX20L-BS is approximately 6.875″ (L) x 3.4375″ (W) x 6.125″ (H).

AGM vs. Lithium: Choosing the Best Battery Technology for Your Ride

The factory installs an AGM (Absorbent Glass Mat) battery, which is a fantastic, reliable technology. However, you have options, especially if you’re looking for higher performance or weight savings. The main upgrade choice is Lithium.

Standard & Reliable: AGM Batteries

AGM batteries are a type of sealed lead-acid battery. The electrolyte is absorbed in fiberglass mats, making them spill-proof and vibration-resistant—perfect for off-road abuse.

Pros: Proven technology, very reliable, widely available, and more affordable upfront. They perform well in a wide range of temperatures.
Cons: Heavy, can lose charge over long periods of storage, and have a lower power-to-weight ratio compared to lithium.

High-Performance & Lightweight: Lithium Batteries

Lithium Iron Phosphate (LiFePO4) batteries are the premium upgrade. They use a different chemistry that offers some significant advantages for serious riders.

Pros: Extremely lightweight (often saving 5-10 lbs), deliver stronger and more consistent cranking power, have a very low self-discharge rate (great for storage), and can have a much longer overall lifespan.
Cons: Significantly higher upfront cost, and their performance can sometimes degrade in very cold (sub-freezing) temperatures, though modern ones have built-in management systems to help with this.

Our Recommendation: For most riders, a high-quality AGM battery like those from Yuasa, Duracell, or MotoBatt is the perfect choice. If you’re a performance junkie, a racer, or someone who has loaded up your rig with power-hungry accessories, the investment in a reputable lithium battery from a brand like Antigravity or Shorai can be well worth it.

Step-by-Step Guide: How to Replace Your Can-Am Outlander 570 Battery

Alright, you’ve got your new battery. Let’s get it installed. This is a straightforward job you can easily do in your garage. Before you start, make sure your ATV is on a flat, level surface and the key is out of the ignition.

Tools You’ll Need:

Ratchet with a 10mm socket
Phillips head screwdriver (may be needed for some terminal bolts)
Battery terminal cleaning brush or a wire brush
Safety glasses and gloves

The Removal & Installation Process

Locate the Battery: On most Outlander 570 models, the battery is located under the seat. Remove the seat by unlatching it at the rear. You’ll see the battery sitting in its tray, secured by a rubber strap or a metal hold-down bracket.
Disconnect the Old Battery (Safety First!): This is the most important step. Using your 10mm socket, ALWAYS disconnect the NEGATIVE (-) terminal first. It’s usually black. Tuck the negative cable aside so it can’t accidentally touch the terminal again. Then, proceed to disconnect the POSITIVE (+) terminal (usually red).
Remove the Hold-Down: Unhook the rubber strap or unbolt the hold-down bracket that secures the battery in place.
Lift Out the Old Battery: Carefully lift the old battery straight up and out of the tray. These can be heavier than they look, so get a good grip.
Clean the Area: Now is the perfect time to clean the battery tray and the cable terminals. Use a battery terminal brush to scrub away any corrosion (that white or greenish powder) from the cable ends. A clean connection is a happy connection.
Install the New Battery: Place your new battery into the tray, ensuring it’s seated correctly. Make sure the terminals are oriented correctly (negative on the left).
Connect the New Battery: Now, you’ll do the reverse of the removal process. Connect the POSITIVE (+) terminal first. Tighten the bolt until it’s snug—don’t overtighten and strip it. Then, connect the NEGATIVE (-) terminal last.
Secure the Battery: Re-install the hold-down bracket or strap to ensure the battery is held firmly in place and won’t vibrate or move around.
Final Check: Give the cables a gentle tug to make sure they are secure. Put the seat back on, and you’re ready to fire it up!

Common Problems with Can-Am Outlander 570 Battery Size and Fitment

Even with the right information, issues can pop up. Here are some of the common problems with can am outlander 570 battery size that we encounter and how to solve them.

Problem: “The terminals are on the wrong side!”

Solution: You likely bought a YTX20-BS instead of a YTX20L-BS. The “L” is crucial for terminal polarity. Unfortunately, there’s no easy fix here other than returning it for the correct model. Always double-check for that “L”.

Problem: “The new battery is slightly too tall/short.”

Solution: Some aftermarket brands, especially lithium batteries, might have slightly different case dimensions. If it’s a bit short, you can add a dense foam spacer (many lithium batteries come with these) to the bottom of the tray for a snug fit. If it’s too tall, it simply won’t work, as the hold-down and seat won’t fit correctly.

Problem: “The terminal bolts don’t fit my cables.”

Solution: Most new batteries come with new square nuts and bolts. Sometimes, the new bolts are a different thread or size. Your best bet is to use the new hardware that came with the new battery. Simply slide the square nut into the slot on the battery terminal and thread the bolt through your cable end.

Pro-Level Care Guide: Best Practices for a Longer Battery Life

A new battery is a significant investment. Follow this can am outlander 570 battery size care guide to maximize its lifespan and ensure it’s ready to go when you are.

Use a Battery Tender: This is the single best thing you can do. A smart trickle charger (or “battery tender”) keeps your battery at an optimal charge during periods of storage. This prevents sulfation in lead-acid batteries and keeps lithium batteries in their happy zone.
Keep Terminals Clean: Periodically check your terminals for any signs of corrosion. A clean, tight connection ensures efficient power transfer and prevents starting issues.
Avoid Deep Discharges: Don’t run your winch or lights for extended periods with the engine off. Consistently draining a battery completely will drastically shorten its life.
Eco-Friendly Disposal: When your old battery is finally done, don’t just toss it in the trash. Lead-acid batteries contain harmful materials. Any auto parts store that sells batteries is required to accept your old one for proper, eco-friendly can am outlander 570 battery size recycling.

Frequently Asked Questions About Your Outlander 570 Battery

What are the best battery brands for the Outlander 570?

For AGM, you can’t go wrong with Yuasa (who often makes the OEM batteries), MotoBatt, or Duracell. For lithium upgrades, Antigravity Batteries and Shorai are top-tier choices known for their quality and reliability.

How long should my ATV battery last?

With proper care and use of a battery tender, a quality AGM battery should last 3 to 5 years. A lithium battery can last significantly longer, often 5 to 8 years or more.

Can I use a bigger battery for more power?

Physically bigger, no. The battery tray limits you to the YTX20L-BS case size. However, you can get a battery of the same size with a higher CCA rating or switch to a lithium battery, which provides much stronger cranking performance within the same physical dimensions.

Choosing the right battery for your Outlander 570 doesn’t have to be a chore. By understanding the size, the technology, and the proper installation procedure, you’re empowering yourself to make a smart purchase and keep your machine running strong for years to come.

Now get those tools out, get that new battery installed, and hit the trail. Stay safe and have fun out there!

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Thomas Corle

Founder & Automobile expert at FatBoysOffroad

Automobile expert and off-road enthusiast, sharing in-depth knowledge of vehicles, gear, and adventures. Helping readers make smart decisions and enjoy the thrill of off-roading safely and confidently.