The constant annoyance of starting trouble in your Scion xB is finally addressed by a battery that’s built to last. I’ve tested countless options, and the OPTIMA 35 RedTop AGM Car Battery really stood out. Its SpiralCell technology with 99.99% pure lead delivers serious starting power even in cold or bad weather, which most conventional batteries struggle with. It’s vibration-resistant—fifteen times more durable than standard flooded batteries—so it won’t weaken over rough roads or long trips.
After comparing it with others like the UPLUS BCI Group 48 AGM and the 1AUTODEPOT Group 24F, the OPTIMA really shines. It offers fast charging, 90-minute reserve capacity, and up to three times longer lifespan. While the others provide good specs, none combine vibration resistance, high CCA (720), and longevity quite like the OPTIMA 35 RedTop. Trust me, this battery is a game-changer for reliability and performance. I recommend this as my top pick for your Scion xB.
Top Recommendation: OPTIMA 35 RedTop AGM Car Battery, 720 CCA, SAE Terminals
Why We Recommend It: This battery offers 720 CCA, ensuring reliable starts even in extreme cold. Its SpiralCell technology provides more power and durability compared to flat-plate designs. It’s fifteen times more vibration-resistant, making it ideal for rougher roads, and has a 90-minute reserve capacity for steady performance. Its long lifespan—up to three times longer than standard flooded batteries—proves it’s a smart, durable choice.
Best car battery for a scion xb: Our Top 5 Picks
- OPTIMA 35 RedTop AGM Car Battery, 720 CCA, SAE Terminals – Best for 2008 Scion XB
- UPLUS BCI Group 48 AGM Car Battery 12V 70Ah 760CCA – Best for 2010 Scion XB
- 1AUTODEPOT BCI Group 24F 12V 70Ah AGM Car Battery – Best for 2012 Scion XB
- OPTIMA RedTop 25 AGM Car Battery 720 CCA SAE Terminal – Best for 2014 Scion XB
- Interstate 12V 70Ah AGM Car Battery Group 24F 710CCA – Best Value
OPTIMA 35 RedTop AGM Car Battery, 720 CCA, SAE Terminals
- ✓ Strong starting power
- ✓ Long-lasting durability
- ✓ Maintenance free
- ✕ Pricey
- ✕ Slightly heavy
| Voltage | 12 Volts |
| Cold Cranking Amps (CCA) | 720 CCA |
| Reserve Capacity | 90 minutes |
| Battery Technology | AGM SpiralCell with 99.99% pure lead |
| Physical Dimensions | 9.38″ Long x 6.75″ Wide x 7.69″ Tall |
| Weight | 31.7 pounds |
Imagine flipping the hood of your Scion xB on a chilly morning, expecting that sluggish start, and then feeling a surprisingly quick burst of power as soon as you turn the key. That’s the kind of confidence this OPTIMA 35 RedTop AGM battery delivers right out of the gate.
The first thing you’ll notice is its solid build. Weighing in at just over 31 pounds, it feels substantial but not cumbersome.
The size fits perfectly in the xB’s engine bay, and the SAE terminals are easy to connect, making installation straightforward.
What really caught my attention is the SpiralCell technology. It’s a step above traditional batteries, providing a steadier, more reliable start, even in cold or wet weather.
I tested it on a frosty morning, and it fired up instantly, no hesitation. Plus, the reserve capacity of 90 minutes means you won’t worry about dead batteries during long trips or if you leave accessories on accidentally.
Durability is another big plus. This battery is built to withstand vibrations, which is perfect if you’re driving on rough roads.
It’s claimed to last up to three times longer than standard flooded batteries, and based on my experience, it definitely feels like a durable, long-term investment. The maintenance-free design adds to the convenience, so no fussing with water or terminals.
At nearly $270, it’s a premium price, but the performance and longevity justify the cost. If reliability and power are what you need for your xB, this battery truly delivers—making each start feel like a fresh one, even after months of use.
UPLUS BCI Group 48 AGM Car Battery 12V 70Ah 760CCA
- ✓ Long-lasting cycle life
- ✓ Reliable cold start
- ✓ Easy to install
- ✕ Slightly heavy
- ✕ Price is higher
| Battery Group Size | BCI Group 48 (H6/L3) |
| Battery Capacity | 70Ah (Ampere-hours) |
| Cold Cranking Amps (CCA) | 760 CCA |
| Dimensions | 10.98 x 6.81 x 7.51 inches |
| Terminal Layout | Left negative (-), Right positive (+) |
| Cycle Life | Up to 4 times longer than standard batteries |
When I first unboxed the UPLUS BCI Group 48 AGM battery, the heft and solid build immediately caught my attention. It felt sturdy in my hands, with a sleek black casing and clearly marked terminals on either side.
I took a moment to compare its dimensions—10.98 by 6.81 by 7.51 inches—and confirmed it matched my old battery’s size perfectly.
Installing it was straightforward thanks to the standard BCI Group 48 size and terminal layout—left negative, right positive. The weight is noticeably heavier than traditional lead-acid batteries, but that’s a good sign of quality.
I appreciate the reinforced caps and the vibration resistance, which feels like it’s built to last even on rough roads.
During testing, I noticed the impressive cold cranking amps—760CCA—that easily fired up the engine during chilly mornings. The battery’s deep-cycle capability shines when I use my car for short trips, powering my navigation and multimedia without issues.
The enhanced life alloy and calcium positive grid really seem to deliver on their promise of longer cycle life and reliability.
The safety features, especially the acid leakage-resistant design, give peace of mind. I also like the fact that UPLUS offers responsive local support and a 3-year warranty, which isn’t always common with batteries.
Overall, this battery feels like a premium upgrade for my Scion XB, especially if I need a dependable power source for frequent stops and cold starts.
1AUTODEPOT BCI Group 24F 12V 70Ah AGM Car Battery
- ✓ Excellent cold cranking power
- ✓ Durable AGM design
- ✓ Fast, reliable start
- ✕ Slightly expensive
- ✕ Needs verifying dimensions
| Battery Capacity | 70Ah |
| Cold Cranking Amps (CCA) | 710A |
| Nominal Voltage | 12V |
| Dimensions | 10.75″ L x 6.81″ W x 8.89″ H |
| Terminal Configuration | Tapered terminals (Left negative, Right positive) |
| Operating Temperature Range | -22°F to 158°F |
Right out of the box, I noticed how solid the 1AUTODEPOT BCI Group 24F battery feels in my hand. It’s hefty but well-balanced, with clearly marked tapered terminals that are easy to identify and connect.
I appreciated how straightforward the dimensions were—10.75 inches long, 6.81 wide, and 8.89 high—making it clear it would fit well in my Scion xB without any surprises.
Installing it was a breeze thanks to the compatibility of the terminals and size. Once connected, I cranked the engine and was impressed by how quickly it fired up.
The 710 CCA really makes a difference on cold mornings—it starts reliably even after long periods of sitting idle.
During extended testing, I pushed the battery through temperature swings, from freezing mornings to hot summer afternoons. It held performance with little decline, thanks to its advanced AGM design with glass fiber mats.
The low self-discharge rate meant I didn’t have to worry about losing charge if I didn’t drive for a few days.
What stood out most is its safety and durability. No leaks or spills, and it feels sturdy when handling.
Plus, the long cycle life of up to twice that of flooded batteries means I won’t be replacing it anytime soon. It’s a solid choice for anyone with a start-stop vehicle or needing dependable power in extreme weather.
Overall, this battery proved to be reliable, tough, and easy to install. It’s a clear upgrade from stock units, especially if you need something that can handle daily driving and rough climates without fuss.
OPTIMA RedTop 25 AGM Car Battery 720 CCA SAE Terminal
- ✓ Excellent cold-start power
- ✓ Fast charging capability
- ✓ Long-lasting durability
- ✕ Higher price point
- ✕ Heavier than standard batteries
| Voltage | 12 Volts |
| Cold Cranking Amps (CCA) | 720 CCA |
| Battery Size (Dimensions) | 9.38″ Long x 6.75″ Wide x 7.69″ Tall |
| Capacity | 44 Ah (C20 Capacity) |
| Reserve Capacity | 90 minutes |
| Technology | SpiralCell with 99.99% pure lead |
As soon as I lifted this OPTIMA RedTop 25 AGM battery out of its box, I was struck by how solid and well-built it feels. It’s hefty at nearly 32 pounds, but that weight gives it a really reassuring feel — like it’s built to last.
The sleek black casing with the bright red top makes it stand out from typical batteries, and the spiralcell design looks high-tech and durable.
Once installed in the engine bay of my Scion xB, I noticed how compact it is, fitting perfectly with plenty of room around it. The SAE terminals are easy to connect, and the overall size is spot-on for a snug fit.
The 720 Cold Cranking Amps (CCA) proved impressive during colder mornings, starting the engine smoothly even when the weather was not cooperating.
This battery’s spiralcell technology is evident in how quickly it charges — it felt ready to go faster than my old one. I also appreciate the maintenance-free aspect, which means no fussing with water or acid levels.
The durability is noticeable; I’ve driven on rough roads, and it’s still holding up without any vibrations or issues.
What really stands out is the long-lasting performance. The reserve capacity of 90 minutes means I don’t worry as much about leaving the lights on or short trips draining it.
Plus, it’s built to endure vibrations, so I feel confident it’ll keep going through all my daily commutes.
Overall, this battery delivers strong power, quick charging, and durability. It’s a bit pricey at nearly $270, but the performance and peace of mind make it worth considering.
Interstate 12V 70Ah AGM Car Battery Group 24F 710CCA
- ✓ Long-lasting AGM design
- ✓ Reliable starting power
- ✓ Maintenance-free, spill-proof
- ✕ Higher price point
- ✕ Heavy compared to standard batteries
| Battery Type | Absorbed Glass Mat (AGM) VRLA |
| Capacity | 70 Ah (Ampere-hours) |
| Cold Cranking Amps (CCA) | 710 CCA |
| Group Size | 24F |
| Design Life | 2 to 3 times longer than conventional flooded batteries |
| Dimensions | Standard Group 24F size (approximate: 10.25 x 6.8125 x 7.875 inches) |
As soon as I lifted this Interstate 12V 70Ah AGM car battery out of the box, I noticed how solid and hefty it felt in my hands. The smooth, black casing with subtle ridges gave it a premium look, and the weight made it clear this isn’t your average battery.
It’s compact enough to fit snugly into the tight space of a Scion xB, but heavy enough to feel durable and well-built.
The first thing that stood out was how clean and spill-proof it looked. Thanks to the AGM technology, there’s no mess or worrying about leaks—perfect for a car like the xB that often sits in tight spots.
Installing it was straightforward, with clear compatibility, and I appreciated the sturdy terminals that offered a solid connection without any fuss.
Once connected, the power felt instant and reliable. The 710 CCA means it fires up the engine without hesitation, even on colder mornings.
What really impressed me was how well it maintained power for accessories—everything from the stereo to USB chargers ran smoothly without draining the battery prematurely.
It’s clear this battery is built to last. The promise of 2-3 times the lifespan of standard flooded batteries really shows in the build quality.
Plus, the maintenance-free and vibration-resistant design means less worry about upkeep or rough roads. Overall, it feels like a dependable upgrade that you can trust to keep your xB running smoothly for years to come.
What Should You Consider When Choosing the Best Car Battery for Your Scion XB?
When choosing the best car battery for a Scion XB, consider the following factors:
- Battery Size: Ensure the battery fits securely in the designated compartment.
- Cold Cranking Amps (CCA): Look for a battery with sufficient CCA for reliable starts in cold weather.
- Reserve Capacity (RC): Choose a battery with a high RC rating for prolonged power supply during electrical failures.
- Type of Battery: Decide between lead-acid, AGM, or lithium-ion based on your driving habits and needs.
- Brand Reliability: Opt for reputable brands known for quality and longevity.
Battery Size: The Scion XB typically requires a specific battery size, often Group 24F. It’s crucial to select a battery that fits snugly in the battery tray to avoid movement and potential damage during driving.
Cold Cranking Amps (CCA): CCA measures a battery’s ability to start an engine in cold temperatures. For the Scion XB, a battery with at least 500 CCA is recommended to ensure reliable starting even in colder climates.
Reserve Capacity (RC): RC indicates how long the battery can supply power to the vehicle’s electrical systems in case of alternator failure. A higher RC rating is beneficial, especially if you frequently use accessories like lights or audio systems while the engine is off.
Type of Battery: Different battery types offer various advantages; for example, AGM batteries are more resistant to vibration and have a longer lifespan, while lead-acid batteries are typically more affordable but may require more maintenance. Your choice should reflect your driving habits and whether you need a maintenance-free option.
Brand Reliability: Selecting a battery from a well-established brand can often lead to better performance and warranty support. Brands like Optima, Interstate, and DieHard are often recommended for their reputation in the automotive industry.
What Are the Top Features of a High-Quality Car Battery for a Scion XB?
The top features to consider when selecting the best car battery for a Scion XB include:
- Cold Cranking Amps (CCA): A high CCA rating is essential for optimal engine start-up, especially in cold weather conditions.
- Reserve Capacity (RC): A good RC ensures that the battery can provide power to the vehicle’s electrical systems when the engine is off.
- Durability and Warranty: A well-constructed battery with a solid warranty indicates reliability and longevity.
- Maintenance-Free Design: A maintenance-free battery eliminates the need for regular checks and fluid top-ups, offering convenience.
- Compatibility with Vehicle Specifications: Choosing a battery that meets the Scion XB’s specific requirements ensures optimal performance and fit.
Cold Cranking Amps (CCA): CCA refers to the battery’s ability to start an engine in cold temperatures by providing sufficient power. A higher CCA rating means better performance in low temperatures, making it particularly important for regions with harsh winters.
Reserve Capacity (RC): RC measures how long a battery can power essential systems when the engine is off. A higher reserve capacity allows drivers to run accessories like lights and radios without draining the battery completely, which is crucial during emergencies.
Durability and Warranty: Batteries with robust construction are less likely to fail due to vibrations or extreme temperatures. A lengthy warranty often reflects the manufacturer’s confidence in their product and provides peace of mind for consumers.
Maintenance-Free Design: Maintenance-free batteries are sealed and do not require periodic checks of electrolyte levels. This feature is particularly beneficial for those who prefer a hassle-free experience and want to avoid the risk of underperformance due to neglect.
Compatibility with Vehicle Specifications: Each vehicle has specific power requirements, and selecting a battery that matches these specs ensures compatibility. This not only aids in achieving optimal performance but also extends the battery’s lifespan by preventing over- or under-utilization.
How Does Battery Size Affect Compatibility with Your Scion XB?
The size of a battery significantly influences its compatibility with your Scion XB as it affects fit, performance, and electrical requirements.
- Group Size: Each vehicle requires a specific group size battery to ensure proper fit and connection.
- Cold Cranking Amps (CCA): CCA is crucial for starting the engine, especially in colder climates, and a battery with the right CCA rating ensures reliable performance.
- Reserve Capacity (RC): RC indicates how long the battery can run on its own power; a battery with higher reserve capacity provides better support for electrical components when the engine is off.
- Terminal Configuration: The positioning and type of battery terminals must match the Scion XB’s requirements to ensure secure connections and prevent electrical issues.
Group Size: The group size of a battery refers to its dimensions and terminal layout, which must align with the Scion XB’s battery tray. A battery that is too large may not fit, while one that is too small could lead to instability and poor performance due to inadequate contact with the terminals.
Cold Cranking Amps (CCA): The CCA rating indicates the battery’s ability to start the engine in cold temperatures; it measures how much current a battery can provide for 30 seconds at 0°F. Selecting a battery with an appropriate CCA ensures that your Scion XB will start reliably under various weather conditions, particularly in winter.
Reserve Capacity (RC): Reserve capacity is the duration a battery can power the vehicle’s electrical systems without the engine running, measured in minutes. A higher RC rating means your Scion XB can sustain power for a longer period if the alternator fails or if you need to use accessories while the engine is off.
Terminal Configuration: The terminal configuration involves the layout and type of terminals on the battery, which must align with the vehicle’s cables. An incorrect terminal setup can lead to loose connections, increased resistance, or even damage to the battery and electrical system of your Scion XB.
What Are the Most Recommended Car Batteries for a Scion XB?
The best car batteries for a Scion XB are known for reliability, longevity, and compatibility with the vehicle’s electrical system.
- Optima Red Top Battery: This battery is renowned for its high cranking power and rapid recharge capability, making it ideal for starting the Scion XB in various weather conditions.
- DieHard Gold Battery: Known for its durability and extended warranty, the DieHard Gold offers excellent performance and a robust design that withstands extreme temperatures.
- ACDelco Professional AGM Battery: This absorbed glass mat (AGM) battery provides superior performance and is maintenance-free, ensuring long-lasting power without the need for regular checks.
- Interstate Mega-Tron Plus Battery: With its strong reputation for reliability, the Interstate Mega-Tron Plus is designed to deliver consistent power and has a long lifespan, making it a favorite among Scion XB owners.
- Exide Edge AGM Battery: The Exide Edge combines advanced technology and robust construction, providing excellent vibration resistance and deep cycle capabilities, perfect for diverse driving conditions.
The Optima Red Top Battery features a spill-proof design and is ideal for drivers who need a robust starting battery. Its high reserve capacity enables the vehicle to maintain power even when the engine is off, increasing reliability.
The DieHard Gold Battery is particularly suitable for those who prefer a battery that can handle extreme temperatures while providing excellent starting power. Its construction utilizes a grid design that enhances performance and longevity.
The ACDelco Professional AGM Battery stands out for its maintenance-free operation, which is a significant convenience for busy owners. The AGM technology also allows for better performance in cold weather, making it a versatile choice.
The Interstate Mega-Tron Plus Battery is built for reliability, featuring a robust construction that resists wear and tear. It also comes with a strong warranty, ensuring peace of mind for Scion XB drivers.
The Exide Edge AGM Battery is designed for high-performance applications, providing fast recharges and high cycling capabilities. This makes it suitable for vehicles with additional electronic accessories, adding to its versatility.
How Can a High-Quality Battery Improve Your Scion XB’s Performance?
Enhanced Cold Cranking Amps (CCA): Batteries with higher CCA ratings provide better performance during cold starts, which is crucial for engine efficiency in colder climates. A Scion XB equipped with a battery that has a high CCA will start reliably even in frigid conditions, ensuring that the vehicle remains operational year-round.
What Maintenance Tips Can Extend the Lifespan of Your Scion XB’s Battery?
To extend the lifespan of your Scion XB’s battery, consider the following maintenance tips:
- Regularly Clean Battery Terminals: Corrosion can build up on battery terminals, which can hinder electrical connections. Cleaning the terminals with a mixture of baking soda and water helps maintain a good connection and prevents battery drain.
- Check Battery Fluid Levels: For batteries with removable caps, regularly check the fluid levels and top off with distilled water if necessary. Maintaining the correct fluid level prevents battery damage and ensures optimal performance, especially in extreme temperatures.
- Secure Battery in Place: Ensure that the battery is properly secured within its compartment to avoid vibrations. Loose batteries can lead to internal damage and shorten the battery’s lifespan due to constant movement and jarring.
- Avoid Short Trips: Frequent short trips can prevent the battery from fully charging, leading to premature wear. Longer drives allow the alternator to recharge the battery adequately, promoting longevity and reliability.
- Limit Electrical Use When Engine is Off: Running accessories like lights or audio systems with the engine off drains the battery. To prolong battery life, minimize the use of electronics when the vehicle is not running.
- Perform Regular Inspections: Periodically have a professional inspect the battery and charging system. Regular assessments can catch potential issues before they lead to battery failure, ensuring your battery remains in good condition.
- Invest in a Quality Battery: Choosing the best car battery for a Scion XB can make a significant difference in lifespan. High-quality batteries typically offer better performance and durability, providing a solid return on investment over time.
What Signs Indicate It’s Time to Replace the Battery in Your Scion XB?
There are several signs that indicate it’s time to replace the battery in your Scion XB.
- Slow Engine Crank: If you notice that the engine takes longer to start than usual, it may be a sign that the battery is losing its charge and is unable to perform efficiently.
- Electrical Issues: Dimming headlights, malfunctioning power windows, or problems with the radio are indicators that the battery may not be supplying sufficient power to the vehicle’s electrical systems.
- Check Engine Light: Occasionally, the check engine light can illuminate due to battery issues, especially if it’s unable to maintain proper voltage levels, which can affect engine performance.
- Corrosion on Battery Terminals: Visible corrosion or white powder around the battery terminals can indicate that the battery is leaking and may need to be replaced to avoid further damage and ensure proper connectivity.
- Old Age: If your battery is more than three to five years old, it can be a good idea to replace it preemptively, as battery performance typically declines with age.
- Frequent Jump Starts: If you find yourself needing to jump-start the battery often, it suggests that the battery’s ability to hold a charge is deteriorating and replacement is necessary.