Can Am Ds 70 Battery – Your Complete Replacement & Care Guide

There’s nothing quite like the excitement on a young rider’s face, ready to hit the trails. But when they thumb the starter on their Can-Am DS 70 and all you hear is a sad little “click-click-click,” that excitement quickly turns to frustration. We’ve all been there. A dead battery can stop a fun day in its tracks before it even begins.

You’ve come to the right place. As off-road enthusiasts and hands-on mechanics, we know that a reliable power source is the heart of any good ride. A weak or dead can am ds 70 battery isn’t just an inconvenience; it can strain your ATV’s entire electrical system.

We promise this comprehensive guide will give you the confidence to diagnose, replace, and maintain your youth ATV’s battery like a pro. We’ll walk you through choosing the right replacement, a step-by-step installation process, and share insider tips to make your new battery last for seasons to come.

Is Your Can-Am DS 70 Battery on Its Last Legs? Telltale Signs

Before you rush out to buy a new battery, it’s crucial to confirm the old one is actually the culprit. Batteries often give you warning signs before they fail completely. Ignoring them can leave you stranded.

Here are some of the most common problems with can am ds 70 battery systems that signal it’s time for a check-up or replacement.

Slow or Labored Cranking

When you hit the start button, does the engine turn over sluggishly, like it’s struggling to wake up? This is the number one sign of a weak battery. It just doesn’t have enough juice, or Cold Cranking Amps (CCA), to spin the starter motor with authority.

The Dreaded “Clicking” Sound

If you hear a rapid clicking noise from under the seat but the engine doesn’t turn over, the battery has enough power to engage the starter solenoid but not enough to turn the engine. It’s a classic dead-battery symptom.

Dimming Headlights

Turn on the headlights without starting the engine. If they are dim or flicker significantly when you try to start the ATV, the battery is struggling to handle the electrical load. A healthy battery should provide bright, steady light.

Physical Signs of Failure

Sometimes, a visual inspection is all you need. Carefully look at the battery case for:

Swelling or Bulging: A bloated or warped battery case is a sign of internal damage from overcharging or overheating. Replace it immediately.
Leaking Fluid: Any sign of moisture or acid residue means the battery’s seal has failed. This is a safety hazard.
Corrosion on Terminals: A fuzzy, white or greenish build-up on the battery posts can prevent a solid electrical connection. Sometimes cleaning it is enough, but heavy corrosion often indicates an old or leaking battery.

Choosing the Right Can Am DS 70 Battery: A Buyer’s Guide

Once you’ve confirmed you need a replacement, the next step is picking the right one. The DS 70 uses a small powersports battery, but you still have options. This can am ds 70 battery guide will help you make an informed choice.

Understanding Battery Types: AGM vs. Lithium

The two most common types you’ll encounter are AGM and Lithium. Each has its pros and cons.

AGM (Absorbent Glass Mat):

This is the most common and affordable type. The electrolyte is absorbed in fiberglass mats, making it spill-proof and vibration-resistant—perfect for off-road use.
Pros: Reliable, widely available, and cost-effective.
Cons: Heavier than lithium and has a shorter overall lifespan.

Lithium (LiFePO4):

This is the premium, high-performance option. Lithium-iron-phosphate batteries are a significant upgrade in technology.
Pros: Extremely lightweight (often saving several pounds), longer lifespan (2-3x longer than AGM), and can hold a charge for months.
Cons: Higher upfront cost and can sometimes be less effective in extremely cold weather.

Key Specs to Match: Volts, Amps, and Size

No matter which type you choose, you must match the key specifications to your DS 70. The most common replacement size is a YTX5L-BS.

Voltage: The DS 70 uses a 12-volt system. Never use a different voltage.
Size & Terminal Position: The battery must physically fit in the tray. Pay close attention to the location of the positive (+) and negative (-) terminals to ensure your cables will reach.
Amp Hours (Ah): This measures capacity. A higher Ah rating means the battery can supply power for longer. Stick to the OEM recommendation for the best charging system compatibility.

How to Can Am DS 70 Battery Replacement: A Step-by-Step Guide

Alright, you’ve got your new battery and your tools. Let’s get to work. This process is straightforward, but following the steps in the correct order is critical for your safety and to avoid damaging your ATV’s electronics.

Safety First: Gear Up and Prep

Before you touch a single wrench, get prepared.

Wear Safety Gear: Always wear safety glasses and gloves. Battery acid is corrosive.
Good Ventilation: Work in a well-ventilated area like an open garage or driveway.
No Sparks: Keep sparks, flames, and cigarettes away from the battery, as it can release flammable hydrogen gas.

Tools You’ll Need

You don’t need a massive toolbox for this job. Gather these basics:

Socket set with 8mm and 10mm sockets
Phillips and flat-head screwdrivers
Wire brush or battery terminal cleaning tool
Battery terminal protector spray (optional but recommended)

Removing the Old Battery

Locate the Battery: On the Can-Am DS 70, the battery is located under the seat. Remove the seat to access it.
Disconnect the NEGATIVE (-) Terminal First: This is the most important safety step. Use your 10mm socket to loosen the nut on the black, negative terminal. Wiggle the cable off the post and tuck it away from the battery. This prevents accidental short-circuiting.
Disconnect the POSITIVE (+) Terminal Second: Now, loosen the nut on the red, positive terminal and remove the cable.
Remove the Hold-Down: There is usually a rubber strap or a small metal bracket holding the battery in place. Unhook or unbolt it.
Lift Out the Old Battery: Carefully lift the battery straight up and out of the tray. Remember, even small batteries can be surprisingly heavy.

Installing the New Battery

Clean Everything: Before dropping the new battery in, use your wire brush to clean the cable terminals and the battery tray. A clean connection is a good connection.
Place the New Battery: Set your new battery into the tray, ensuring it’s oriented correctly with the terminals in the proper position.
Secure the Hold-Down: Re-install the bracket or strap to ensure the battery is held firmly in place and won’t bounce around on the trail.
Connect the POSITIVE (+) Terminal First: Now you’ll do the reverse of removal. Attach the red, positive cable to the positive post and tighten the nut securely.
Connect the NEGATIVE (-) Terminal Second: Attach the black, negative cable to the negative post and tighten it down. This completes the circuit.
Apply Protector: A light spray of battery terminal protector on both connections will help prevent future corrosion.
Test It: Turn the key and hit the start button. You should be rewarded with a fast, strong start! Re-install the seat, and you’re done.

The Can Am DS 70 Battery Care Guide: Maximize Lifespan

A new battery is a significant investment for your little machine. With some simple care, you can double its lifespan. This can am ds 70 battery care guide focuses on simple, effective habits.

Smart Charging Best Practices

Youth ATVs often sit for weeks or months between rides, which is the number one killer of small batteries. A smart charger, also called a battery tender or maintainer, is non-negotiable.

Unlike a simple trickle charger, a smart charger like a Battery Tender Jr. or NOCO GENIUS1 monitors the battery’s voltage. It delivers a full charge and then automatically switches to a “float” or “maintenance” mode, keeping it topped off without overcharging.

Routine Inspection and Cleaning

Every few months, take a minute to pop the seat off and inspect the battery. Check that the terminal connections are tight—vibration can loosen them over time. Look for any signs of early corrosion and clean it off with a wire brush if you see any.

Off-Season Storage Tips

If you know the DS 70 will be parked for the winter, your best bet is to keep it on a battery tender. If that’s not possible, disconnect the negative terminal or remove the battery entirely. Store it off the concrete floor in a cool, dry place like a garage shelf.

Benefits of a Healthy Can Am DS 70 Battery System

Thinking about your battery as more than just a box of power highlights its importance. There are many benefits of can am ds 70 battery health that go beyond just starting the engine.

Unmatched Reliability: The most obvious benefit is peace of mind. Your young rider can start their ATV every time, without disappointment.
Protects Electrical Components: A weak battery forces the starter motor and the ATV’s charging system (stator/rectifier) to work harder, leading to premature wear and expensive repairs.
Consistent Power Delivery: A strong battery ensures the ignition system gets a hot, consistent spark and the lights are bright, which is a key safety factor.
Long-Term Savings: Following proper maintenance means you’ll be buying batteries less often, saving you money in the long run.

Sustainable Power: Eco-Friendly Can Am DS 70 Battery Options & Disposal

Being an off-roader means respecting the environment we ride in. Making smart, eco-friendly can am ds 70 battery choices is a part of that responsibility.

While a lithium battery’s higher price can be a barrier, its much longer lifespan means you are consuming and disposing of fewer batteries over the life of the ATV. This makes it a more sustainable can am ds 70 battery option in the long term.

Most importantly, never throw an old battery in the trash. Lead-acid batteries contain toxic materials that are harmful to the environment. Almost any auto parts store or battery retailer that sold you the new one will take your old battery for recycling, often giving you a “core charge” credit for doing so. It’s an easy and essential step.

Frequently Asked Questions About the Can Am DS 70 Battery

What size battery does a Can-Am DS 70 take?

The most common OEM equivalent battery size for the Can-Am DS 70 is a YTX5L-BS. However, it’s always one of our can am ds 70 battery best practices to double-check the part number on your old battery or consult your owner’s manual to guarantee a perfect fit.

How long should my DS 70 battery last?

With proper care, including regular use of a battery tender, a quality AGM battery should last 2 to 4 years. A lithium battery can last significantly longer, often 5 years or more. If a battery is left to sit and fully discharge repeatedly, its life can be cut to a single season.

Can I jump-start a Can-Am DS 70?

Yes, you can, but you must be careful. The safest method is to use a small, portable jump starter pack designed for powersports. You can also use another 12V ATV battery. We strongly advise against jump-starting it from a running car or truck, as their high-output alternators can overwhelm and damage the DS 70’s small charging system.

My new battery is dead. What happened?

There are two likely culprits. First, some new batteries, especially “dry” ones you fill yourself, need to be fully charged on a proper charger before installation. Second, your ATV might have a “parasitic draw”—an electrical component that is drawing power even when the key is off. If a new, fully charged battery dies quickly, it’s time to troubleshoot for a draw.

Keeping your Can-Am DS 70’s battery in top shape is one of the simplest and most effective ways to ensure every outing is filled with fun, not frustration. By understanding how to choose, install, and maintain your battery, you’re not just replacing a part; you’re investing in reliability and more time on the trail.

Now you have the knowledge and the step-by-step plan. Grab your tools, give that battery a check-up, and get ready for your next adventure. 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.