Can Am Outlander 1000 Battery Size – The Complete Guide To Fitment

There’s nothing worse. You’re miles from the trailhead, the sun is starting to dip, and you hit the starter button on your Outlander 1000 only to hear that dreaded, soul-crushing click. A dead battery can turn an epic off-road adventure into a long walk home.

You’ve likely been there, or you’re trying to avoid it. You know that the massive Rotax V-twin engine and all your accessories—winches, light bars, heated grips—demand a lot of juice. Choosing the right power source isn’t just a maintenance task; it’s a critical upgrade for reliability and performance.

We promise this guide will demystify everything you need to know. We’ll break down the exact can am outlander 1000 battery size, explain what all the codes and numbers mean, compare upgrade options like AGM and Lithium, and give you a step-by-step installation guide. Get ready to become the battery expert in your riding crew.

Why the Right Can Am Outlander 1000 Battery Size is Non-Negotiable

Think of your ATV’s battery as its heart. If it’s the wrong size or too weak, the whole system suffers. Getting this right goes far beyond just getting the engine to turn over.

The correct can am outlander 1000 battery size isn’t just about physical dimensions. It’s a combination of three critical factors: physical fit, terminal polarity, and electrical capacity. Getting any one of these wrong can lead to serious headaches.

Here are some common problems with can am outlander 1000 battery size being incorrect:

Poor Fitment: A battery that’s too large won’t fit in the tray, and one that’s too small will slide around, risking damage from vibration and shorting out against the frame.
Reversed Polarity: If the positive and negative terminals are on the wrong sides, your cables won’t reach. Forcing them can lead to dangerous sparks and potentially fry your ATV’s expensive ECU (Engine Control Unit).
Insufficient Power: A battery with too few Cold Cranking Amps (CCA) will struggle to start your big V-twin, especially in cold weather. Low Amp Hour (Ah) capacity means it will drain quickly when you’re using your winch or other accessories with the engine off.

The benefits of can am outlander 1000 battery size being spot-on include reliable starting, optimal performance for your accessories, and a longer-lasting electrical system. It’s the foundation of a dependable machine.

Decoding Your Outlander’s Battery: OEM Specs and Common Sizes

Let’s get down to the nuts and bolts. Can-Am specifies a particular battery group size to ensure perfect fit and function. This is your starting point for any replacement or upgrade.

For most Can-Am Outlander 1000 models (including the XT, XTP, XMR, and MAX variants), the standard OEM battery size is the YTX20L-BS.

But what does that alphanumeric soup even mean? Let’s break it down in this simple can am outlander 1000 battery size guide.

Understanding the Battery Code: YTX20L-BS

YTX: This is a manufacturer designation for a high-performance AGM powersports battery.
20: This number indicates the power output or capacity of the battery. It’s a relative performance rating.
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.
BS: This means the battery is shipped with the acid separate and needs to be filled and sealed (Bottle Supplied) before first use. However, most modern replacements come factory-sealed and ready to install.

Key Electrical Specs You Must Know

Beyond the size code, you’ll see two other important numbers on the label:

Cold Cranking Amps (CCA): This measures the battery’s ability to start an engine in cold temperatures (0°F / -18°C). The Outlander 1000’s big engine requires a lot of initial grunt, so a higher CCA is always better, especially if you ride in chilly weather. The stock battery is typically around 270-310 CCA.

Amp Hours (Ah): This tells you about the battery’s storage capacity. Think of it as the size of the fuel tank. A higher Ah rating (typically 18Ah for stock) means you can run accessories like your winch or stereo for longer without draining the battery.

Choosing Your Upgrade: AGM vs. Lithium Batteries

The stock YTX20L-BS is a capable AGM battery, but the world of battery technology offers powerful upgrades. The two main players are advanced AGM and Lithium Iron Phosphate (LiFePO4).

H3: AGM (Absorbed Glass Mat) Batteries: The Rugged Workhorse

AGM batteries are a type of sealed lead-acid battery. The electrolyte is absorbed in fiberglass mats, making them spill-proof and highly resistant to the intense vibration of off-roading. They are the go-to for a reason.

Pros:

Durable: Excellent vibration resistance makes them perfect for the trail.
Affordable: Generally less expensive than their lithium counterparts.
Reliable: Proven technology that works well in a wide range of temperatures.

Cons:

Heavy: A standard YTX20L-BS weighs around 15 pounds.
Slower Charging: They take longer to recharge compared to lithium.

H3: Lithium (LiFePO4) Batteries: The Lightweight Powerhouse

Lithium batteries are the new king of the hill. They use advanced chemistry to deliver more power in a much lighter package. For performance-minded riders, the difference is night and day.

Pros:

Massive Weight Savings: A lithium replacement can weigh as little as 3-4 pounds, shaving over 10 pounds of high-mounted weight off your machine!
More Power: They often have a higher CCA rating, providing faster, more reliable starts.
Longer Lifespan: Can last 2-4 times longer than an AGM battery, which contributes to a more sustainable can am outlander 1000 battery size choice by reducing waste.
Faster Recharge: They can handle higher charging currents, meaning they top up faster from your ATV’s stator.

Cons:

High Upfront Cost: Can be two to three times the price of a premium AGM.
Cold Weather Performance: Older lithium models could be sluggish in freezing temps, but modern ones have Battery Management Systems (BMS) that warm themselves to perform reliably.

How to Can Am Outlander 1000 Battery Size and Install It Like a Pro

Swapping your battery is a straightforward job you can easily do in your garage. Following the right steps ensures safety and a solid connection. Here are some essential how to can am outlander 1000 battery size and installation tips.

Tools & Safety First

Before you start, gather your gear. You don’t need much:

A basic socket set (usually a 10mm socket is all you need)
Safety glasses and gloves
A wire brush or battery terminal cleaning tool
Dielectric grease (for corrosion protection)

Safety Rule #1: Always disconnect the NEGATIVE (-) terminal first and reconnect it LAST. This prevents accidental short-circuits if your wrench touches the frame while on the positive terminal.

Step-by-Step Installation Guide

Locate the Battery: On most Outlander 1000 models, the battery is located under the seat. Remove the seat to access the battery compartment.
Remove the Hold-Down: There will be a bracket or strap holding the battery in place. Use your socket wrench to remove the bolt(s) securing it.
Disconnect Terminals (Negative First!): Use your 10mm wrench to loosen the nut on the black negative (-) terminal. Wiggle the cable off and move it safely out of the way.
Disconnect Positive Terminal: Now, do the same for the red positive (+) terminal. The risk of a short is gone once the negative is disconnected.
Remove the Old Battery: Carefully lift the old, heavy battery out of the tray. Be mindful of its weight.
Clean Everything: Use your wire brush to scrub any corrosion off the cable terminals and the battery tray. A clean connection is a happy connection.
Install the New Battery: Place your new battery into the tray. If you chose a smaller lithium battery, it may have come with foam pads to ensure a snug fit.
Connect Terminals (Positive First!): Now you do the reverse of removal. Connect the red positive (+) cable first and tighten the bolt securely.
Connect Negative Terminal: Connect the black negative (-) cable last and tighten it down. Give both cables a gentle wiggle to ensure they are tight.
Protect Your Terminals: Apply a small dab of dielectric grease over the terminals to prevent future corrosion. This is a crucial part of any good can am outlander 1000 battery size care guide.
Secure and Test: Reinstall the hold-down bracket, put the seat back on, and fire up your Outlander. You should be good to go!

Best Practices for Battery Care and Longevity

A quality battery is an investment. With a little care, you can maximize its lifespan and ensure it’s ready to go whenever you are. Following these can am outlander 1000 battery size best practices will save you money and frustration.

Regular Checks and Cleaning

Once a month, pop the seat and take a look. Make sure the terminals are still tight and free of any white or greenish powder (corrosion). If you see any, disconnect the battery and clean the terminals with a wire brush and a baking soda/water solution.

The Power of a Battery Tender

ATVs often sit for weeks or even months between rides. During this time, the battery will slowly self-discharge. A “battery tender” or “maintainer” is a smart charger that keeps your battery at its optimal voltage without overcharging it. This is the single best thing you can do to extend battery life, especially during the off-season.

Mind Your Accessories

If you run a winch, powerful light bars, or a sound system, you are putting a heavy demand on your electrical system. Avoid using these for extended periods with the engine off. Also, ensure they are wired correctly to prevent “parasitic drain”—a slow leak of power even when the key is off. A poorly wired accessory is a common cause of a constantly dead battery.

Frequently Asked Questions About Can Am Outlander 1000 Battery Size

What is the stock battery size for a Can-Am Outlander 1000?

The standard OEM replacement size for most Can-Am Outlander 1000 models is a YTX20L-BS. Always confirm with your owner’s manual or by looking at your existing battery, but this size fits the vast majority of models from roughly 2012 to the present.

Can I use a bigger battery in my Outlander 1000?

Physically, you are limited by the dimensions of the battery tray. You generally cannot fit a physically larger battery. However, you can get a battery of the same physical size (like a lithium upgrade) that offers significantly more power (higher CCA and sometimes Ah) than the stock unit.

How long should an Outlander 1000 battery last?

With proper care, a quality AGM battery should last 3-5 years. A lithium battery can last much longer, often 8-10 years. Factors that shorten life include deep discharges, extreme temperatures, excessive vibration, and long periods of storage without a tender.

Is a lithium battery upgrade worth it for my Outlander?

It depends on your needs. If you are a performance-focused rider looking to save weight, or if you run a lot of high-draw accessories and want the longest possible lifespan, a lithium battery is an excellent investment. For the casual rider, a high-quality AGM is often more than sufficient and more budget-friendly.

Choosing the right battery for your Outlander 1000 is about more than just starting your engine; it’s about reliability on the trail. By understanding the specs, considering your upgrade options, and practicing good maintenance, you’re not just replacing a part—you’re investing in peace of mind for every ride.

Now you have the knowledge to make an informed choice and keep your machine’s electrical system in top shape. Go on, get that power plant sorted, and hit the trails with confidence. Ride safe and ride on!

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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.