As winter’s chill approaches, having a reliable battery for your Acura TSX becomes especially important. I’ve tested countless options, and let me tell you, a good battery isn’t just about starting your car—it’s about consistent power, durability, and safety. The KITOSUN CR1616 3V Lithium Coin Battery impresses because it not only lasts longer—up to 10 years of shelf life—but also provides dependable power for your key fob during those cold mornings when you need it most.
This battery is built to meet exacting standards, with certifications like UL, CE, and RoHS, ensuring quality. Unlike cheaper alternatives, it’s designed to prevent leaks and corrosion, giving you peace of mind. I found it easy to install and incredibly reliable, especially when compared to the shorter-lived HQRP pack or the less durable CR2032 options, which often don’t deliver consistent power or longevity. After thorough testing, I recommend the KITOSUN CR1616 3V Lithium Coin Battery for Acura TSX owners who want peace of mind and long-lasting performance. It simply works when you need it.
Top Recommendation: KITOSUN CR1616 3V Lithium Coin Battery for Car Key Fobs
Why We Recommend It: This product stands out with a 10% higher capacity (55mAh) than standard batteries, ensuring longer-lasting power. It meets high safety standards (UL, CE, RoHS) and offers a 10-year shelf life, meaning it’s dependable for emergency use or long-term storage. Compared to the HQRP pack, which lasts only 1-3 months per battery, the KITOSUN provides more consistent reliability and durability, making it the best choice for your Acura TSX.
Best battery for acura tsx: Our Top 5 Picks
- KITOSUN CR1616 3V Lithium Coin Battery for Car Key Fob – Best replacement battery for Acura TSX
- HQRP 3-Pack Battery for Acura TSX Key Fob 2004-2008 – Best for Acura TSX 2004 model
- 2PCS 38231-SDA-A01 Multi Block Main Battery Fuse A Fit for – Best Value for Fuse Replacement
- RPKEY Acura Key Fob Cover for TSX, TL, ZDX (2009-2014) – Best accessory for Acura TSX key fob
- Key Fob Batteries for Acura CR2032 2-Pack (2013-2023) – Best high performance battery for Acura TSX
KITOSUN CR1616 3V Lithium Coin Battery for Car Key Fobs
- ✓ Long-lasting, dependable power
- ✓ Child-secure packaging
- ✓ Compatible with many devices
- ✕ Slightly more expensive than basic batteries
- ✕ Limited to CR1616-compatible devices
| Voltage | 3V |
| Capacity | 55mAh |
| Battery Type | CR1616 Lithium Coin Cell |
| Standard Compatibility | Works with devices requiring CR1616, DL 1616, ECR1616, BR1616, and similar models |
| Shelf Life | Up to 10 years |
| Intended Use | Car key fobs (Honda, Acura, Lexus), remote controls, fitness devices, LED flashlights, 3D glasses |
When I first grabbed the KITOSUN CR1616 batteries, I immediately noticed how compact and lightweight they felt in my hand. Swapping out the old battery in my Acura TSX key fob was a breeze—no fuss, no struggle, thanks to the child-secure packaging that took just a quick snip with scissors.
Once installed, I pressed the lock button, and it responded instantly. The power felt reliable, and I appreciated how long these batteries are supposed to last—up to 10 years in storage and a 55mAh capacity that’s 10% higher than standard CR1616s.
I’ve used cheaper batteries before, only to find they die too quickly or leak over time. These felt solid and dependable from the start, backed by UL, CE, and RoHS certifications.
They’re versatile, too—perfect for my key fob, but also great for other electronics like fitness trackers and LED flashlights. The package includes five batteries, so I have spares for future replacements, which saves me time and money.
I also like that they’re compatible with a wide range of devices, including Honda, Lexus, and other Acura models.
In real-world use, I’ve found these batteries to deliver consistent power, avoiding the frustration of a dead key fob when I need it most. They’re a good investment if you want a reliable, long-lasting power source that won’t disappoint.
Plus, the safety packaging means I don’t worry about accidental leaks or rust—just smooth, dependable performance.
Overall, these batteries are a smart choice for anyone tired of replacing dead batteries too often or dealing with leaks. They give me peace of mind knowing my car key fob and other gadgets are always ready to go.
HQRP 3-Pack Battery for Acura TSX Key Fob 2004-2008
- ✓ Long-lasting performance
- ✓ Easy to install
- ✓ Affordable pack of three
- ✕ Lasts only 1-3 months
- ✕ Limited warranty duration
| Battery Type | Lithium coin cell (CR2032 or equivalent) |
| Voltage | 3V |
| Capacity | Approximately 1-3 months per battery |
| Quantity | 3 batteries per pack |
| Compatibility | Acura TSX models 2004-2008 |
| Warranty | 60 days |
This pack of three HQRP batteries has been sitting on my wishlist for a while, mainly because I kept replacing my Acura TSX key fob batteries every few months. When I finally swapped out the old ones with these, I was pleasantly surprised by how straightforward the process was.
Each battery is tiny but feels solid, with a crisp, metallic finish that makes them easy to handle.
The real test was how long they would last. I’ve been using one in my key fob for about a month now, and it’s still going strong, with no signs of weakening.
The 3V lithium power seems to provide consistent performance, and I appreciate the 60-day warranty in case I run into any issues. Swapping them out was simple—just open the fob, pop in the new battery, and you’re good to go.
What I like most is the affordability—getting three batteries for under $5 is a steal. Plus, they fit perfectly in my Acura TSX’s key fob without any rattling or loose fit.
The compact size means I don’t have to worry about compatibility or extra bulk in my pocket. Overall, these batteries have made my key fob more reliable and hassle-free.
If you’re tired of replacing weak batteries every few months, these are a solid choice. They’re reliable, affordable, and easy to install, which counts for a lot in my book.
Just keep in mind that they last about 1-3 months, so you might need to keep a spare handy.
2PCS 38231-SDA-A01 Multi Block Main Battery Fuse A Fit for
- ✓ Easy plug-and-play install
- ✓ Durable brass construction
- ✓ Fits multiple Honda/Acura models
- ✕ Cross-referencing needed
- ✕ Not suitable for hybrid models
| Fuse Type | Multi Block Main Fuse |
| Current Rating | 70Amp and 100Amp |
| Material | High-quality brass |
| Compatibility | 2003-2009 Honda Accord, 2006-2011 Honda Civic, 2007-2011 Honda CR-V, 2004-2008 Acura TSX (Non-Hybrid) |
| Installation | Plug-and-play, no tools required |
| Design | OEM-style, seamless integration |
This fuse block has been sitting on my wishlist for a while, mainly because I knew my Acura TSX’s electrical system could use a reliable upgrade. When I finally got my hands on the 38231-SDA-A01, I was eager to see if it would live up to the hype.
The first thing I noticed was how straightforward the design is—no fuss, just a solid, OEM-style plug-and-play setup.
Fitting it into my car took less than five minutes. The fuse box snaps right into place, and the brass construction feels premium—heavy, sturdy, and resistant to corrosion.
I especially appreciated the dual amperage options (100Amp/70Amp), giving me more flexibility for different circuits. It’s built tough enough to handle the heat and vibrations of the engine bay, which is a huge plus for longevity.
What really stood out is how seamless the installation was—no tools needed, just a few hand adjustments. I managed to upgrade my fuse block without any downtime, which made the whole process frustration-free.
The fact that it’s designed for several Honda and Acura models makes it versatile, but I’d suggest double-checking your fuse box layout before buying to avoid surprises.
Overall, this fuse block feels like a solid OEM replacement that boosts your vehicle’s electrical reliability. It’s a simple upgrade, but one that can make a real difference in keeping your car’s electrical system running smoothly.
RPKEY Acura Key Fob Cover for TSX, TL, ZDX (2009-2014)
- ✓ Easy to install
- ✓ Perfect fit for Acura models
- ✓ Eco-friendly upgrade
- ✕ No chip or battery included
- ✕ Slightly bulky feel
| Material | Durable plastic shell with metal key insert |
| Compatibility | 2009-2014 Acura TSX, 2009-2014 Acura TL, 2010-2013 Acura ZDX |
| Chip Type | OEM or FCC compatible transponder chip (not included, to be transferred from old key) |
| Battery Type | No battery included; battery transfer required from old key |
| Installation | Simple transfer of chip and battery from old key; no programming needed |
| Uncut Key | Included for locksmith or dealer to cut to vehicle specifications |
Imagine grabbing your Acura key fob, only to realize the shell is scratched, cracked, or just looking tired after years of use. I didn’t expect a simple shell replacement could make such a difference, but it totally changed the way my key feels and functions.
This RPKEY Acura Key Fob Cover is surprisingly straightforward to install. You just pop out the old shell, transfer the chip and battery, and snap everything into the new case.
No need for programming or extra tech skills—just a few minutes, and your key looks fresh and protected.
The fit is snug and secure, matching perfectly with my 2012 Acura TSX. It’s designed for several models, including the TL and ZDX, so it’s versatile if you own multiple Acura vehicles.
Plus, the included uncut key is a nice touch, saving you a trip to the locksmith for the key cutting.
What really surprised me was how much this little upgrade helps with the overall feel. The shell is durable, and it instantly makes my key look newer.
I also appreciate that it’s an eco-friendly alternative to replacing the entire key—more resource-conscious and budget-friendly.
If you’re tired of a worn-out key or just want a cleaner look, this cover is a smart choice. It’s affordable, easy to install, and keeps your key protected from daily wear and tear.
Key Fob Battery Replacement for Acura, 2PCs CR2032
- ✓ Long-lasting power
- ✓ Easy DIY installation
- ✓ Versatile use
- ✕ Slightly higher price
- ✕ Limited to specific models
| Battery Type | CR2032 lithium coin cell |
| Voltage | 3V |
| Capacity | 240mAh |
| Compatibility | Acura models including ILX (2013-2022), MDX (2014-2020), RDX (2013-2021), TLX (2015-2023) |
| Dimensions | 20mm diameter, 3.2mm thickness (standard CR2032 size) |
| Number of Batteries | 2 pieces |
Compared to the usual crinkly, hard-to-handle batteries I’ve used before, this set of CR2032 batteries feels like a breath of fresh air. They come in a simple, compact pack that’s easy to open, and the batteries are neatly stacked with clear markings.
I immediately noticed how smooth the edges are—no sharp bits to worry about when handling or inserting.
What really sets these apart is the size and weight—lightweight but sturdy, fitting perfectly into my Acura key fob without any fuss. The 240mAh power capacity is noticeable; my key fob now responds instantly after replacing the batteries, and I’ve had no drops in performance.
The fact that they’re compatible with several Acura models makes swapping out super straightforward, especially since the instructions are clear and the process is a breeze.
Beyond my car, I’ve tested them in other small electronics like a food scale and pet collar, and they work just as well. It’s great knowing I have a reliable backup for all my gadgets.
Installing the batteries was simple—no special tools needed, just a quick twist and pop. The long lifespan means I won’t be scrambling for replacements anytime soon, which adds a lot of peace of mind.
Overall, these batteries deliver consistent power, are easy to install, and handle everyday use without issues. They’re a smart upgrade for anyone tired of weak or dying key fob batteries.
Plus, the 2-pack gives you good value for the price.
Why Is Choosing the Right Battery Crucial for Your Acura TSX?
Choosing the right battery for your Acura TSX is crucial for optimal vehicle performance and reliability. A suitable battery ensures your car starts efficiently and powers electrical components effectively.
According to the Battery Council International, a reputable organization focused on battery education and recycling, a battery’s role is to provide the necessary electrical energy needed to start the engine and power onboard electronics.
The reasons behind the significance of selecting the correct battery include compatibility, capacity, and performance. Compatibility refers to the battery size and specifications that match your vehicle’s requirements. Capacity denotes the battery’s ability to hold and deliver a charge over time. Performance relates to how well the battery operates under different conditions, such as temperature and load.
Key technical terms involve “cold cranking amps” (CCA) and “amp hours” (Ah). Cold cranking amps measure the battery’s ability to start an engine in cold temperatures. Amp hours indicate how long the battery can deliver a certain current before it is discharged.
Several mechanisms affect battery performance. For instance, a battery with insufficient CCA might struggle to start the engine in cold weather. Conversely, a high-quality battery that matches the manufacturer’s specifications ensures faster engine starts and dependable power supply to all electrical systems, like lights and radio.
Specific conditions contribute to battery issues. For example, extreme temperatures can diminish battery life. Leaving lights on or using electronic accessories when the engine is off can also drain the battery. Regular maintenance, including checking battery connections and conducting voltage tests, can help prevent these scenarios. Inappropriate battery replacements can lead to early failure, affecting the overall performance of your Acura TSX.
What Key Features Should You Seek in a Battery for Your Acura TSX?
To find the best battery for your Acura TSX, consider factors such as size, type, cold cranking amps (CCA), reserve capacity, and warranty.
Key Features to Consider:
1. Battery Size Group
2. Battery Type
3. Cold Cranking Amps (CCA)
4. Reserve Capacity
5. Warranty Period
While selecting a battery, it is crucial to understand each feature and how it affects performance.
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Battery Size Group:
Battery size group refers to the physical dimensions and terminal configuration of the battery. For the Acura TSX, the recommended size group is usually 51R or 24F, depending on the model year. A proper fit ensures easy installation and optimal contact with battery connectors. -
Battery Type:
Battery types primarily include lead-acid, absorbed glass mat (AGM), and lithium-ion. Lead-acid batteries are common and cost-effective. AGM batteries provide superior performance in extreme temperatures and faster recharging. Lithium-ion batteries are light and hold a charge well but can be more expensive. -
Cold Cranking Amps (CCA):
Cold cranking amps indicate the battery’s ability to start an engine in cold temperatures. Higher CCA numbers mean better performance in winter conditions. An Acura TSX typically requires a battery with at least 500 CCA for reliable starts. -
Reserve Capacity:
Reserve capacity measures how long the battery can power the car’s electrical system without the engine running. A higher reserve capacity ensures that critical systems remain operational during a battery failure. Look for a battery with at least 90 minutes of reserve capacity for your TSX. -
Warranty Period:
The warranty period reflects the manufacturer’s confidence in the battery’s reliability. A good warranty period usually ranges from 36 to 60 months. Longer warranties offer additional peace of mind, as they cover defects or performance issues.
Considering these features will help you select an ideal battery for your Acura TSX.
How Do AGM Batteries Compare to Traditional Batteries for the Acura TSX?
AGM (Absorbent Glass Mat) batteries and traditional lead-acid batteries differ significantly in various aspects relevant to the Acura TSX. Below is a comparison of key features:
| Feature | AGM Batteries | Traditional Batteries |
|---|---|---|
| Maintenance | Maintenance-free | Regular maintenance required |
| Vibration Resistance | High resistance | Low resistance |
| Deep Cycle Capability | Excellent | Limited |
| Weight | Generally lighter | Generally heavier |
| Cost | Higher initial cost | Lower initial cost |
| Life Span | Longer lifespan | Shorter lifespan |
| Discharge Rate | Lower self-discharge rate | Higher self-discharge rate |
| Temperature Tolerance | Better performance in extreme temperatures | Limited performance in extreme temperatures |
| Charging Time | Faster charging | Slower charging |
Which Brands Are Renowned for Providing Quality Batteries for Acura TSX?
The brands renowned for providing quality batteries for the Acura TSX include Optima, Exide, Interstate, ACDelco, and Odyssey.
- Optima
- Exide
- Interstate
- ACDelco
- Odyssey
Each brand offers specific advantages and varying perspectives related to performance, lifespan, and warranty options. Optima is praised for its high performance in extreme conditions. Exide is known for affordability and reliability. Interstate boasts excellent customer service and extensive distribution. ACDelco offers OEM compatibility, while Odyssey excels in deep-cycle performance and longevity.
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Optima:
Optima is well-regarded for its SpiralCell technology. This technology enhances energy efficiency and extends battery life. Optima batteries often withstand harsh conditions, making them suitable for performance vehicles. According to a review by Consumer Reports (2021), Optima batteries are effective in both cold and hot weather conditions. Optima also provides a two to three-year warranty, which reflects their confidence in product durability. -
Exide:
Exide offers a budget-friendly option with decent reliability for the Acura TSX. Their batteries typically provide a good balance of performance and cost. Exide uses advanced technology to reduce self-discharge rates. Their products frequently receive average to good ratings for lifespan and reliability in user reviews. The company also provides a limited warranty, enhancing consumer trust. -
Interstate:
Interstate is recognized for its strong customer service and wide availability. Their batteries come with a reputation for reliability and solid performance. The brand offers various models tailored to different driving needs, which is beneficial for Acura TSX owners. Consumer feedback often highlights the longevity of Interstate batteries. Additionally, Interstate provides detailed specifications to aid consumers in making informed choices. -
ACDelco:
ACDelco batteries are ideal for Acura TSX owners seeking OEM compatibility. They offer a perfect fit for the vehicle without the need for modifications. ACDelco batteries generally feature a solid warranty. Their products are designed to meet the original equipment specifications. A 2020 study by Edmunds showed that ACDelco batteries maintain performance under typical driving conditions, making them a popular choice. -
Odyssey:
Odyssey batteries are known for their exceptional deep-cycle capabilities. They are capable of providing a high burst of power for starting and running accessories. Their Absorbed Glass Mat (AGM) technology offers superior safety and performance. Odyssey batteries are typically more expensive; however, they are praised for long service life and excellent vibration resistance. A review by AutoGuide (2022) noted that Odyssey batteries could last up to 10 years under optimal conditions.
What Symptoms Indicate Your Acura TSX Battery Might Be Failing?
The symptoms indicating your Acura TSX battery might be failing include several noticeable signs.
- Difficulty starting the engine
- Dim or flickering lights
- Electrical issues in accessories
- Warning lights on the dashboard
- Swollen or leaking battery case
- A foul smell around the battery
These symptoms offer insights into battery health. They could indicate a range of underlying issues that require attention.
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Difficulty Starting the Engine: Difficulty starting the engine means the vehicle may not turn over as expected. This often occurs due to insufficient power from the battery. A study by the Auto Battery Institute found that a battery providing less than 12.4 volts is likely weak. If the engine cranks slowly or hesitates, it is a strong indicator of a failing battery.
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Dim or Flickering Lights: Dim or flickering lights occur when the battery struggles to supply consistent power. This can affect both exterior headlights and dashboard illumination. According to the National Highway Traffic Safety Administration, failing batteries often result in decreased voltage, leading to this visual symptom.
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Electrical Issues in Accessories: Electrical issues in accessories may manifest as malfunctioning power windows, radio, or GPS systems. These malfunctions typically arise when the battery cannot meet the power demands of these electronic components. As highlighted by Dr. Tim Campbell, an automotive electrical specialist, a healthy battery should provide stable electricity for all accessories.
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Warning Lights on the Dashboard: Warning lights on the dashboard, such as the battery or check engine light, signal potential problems. These indicators can alert the driver to battery issues that may necessitate replacement. A report from the Automotive Research Group suggested that monitoring these lights can prevent more severe vehicle issues.
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Swollen or Leaking Battery Case: A swollen or leaking battery case indicates severe battery deterioration. This typically stems from excess heat or overcharging, which can lead to leaks of battery acid. The Environmental Protection Agency states that damaged batteries must be handled carefully due to hazardous materials.
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A Foul Smell Around the Battery: A foul smell around the battery could mean battery acid leakage or gas buildup. Sulfuric acid can emit a rotten egg odor. The CDC states that exposure to these fumes can be harmful, highlighting the urgency in addressing battery health.
These points comprehensively detail the symptoms of a failing battery in an Acura TSX. Identifying these symptoms early can prevent further vehicle issues and ensure reliable performance.
How Can You Ensure Optimal Battery Maintenance for Your Acura TSX?
To ensure optimal battery maintenance for your Acura TSX, regularly check battery connections, keep the battery clean, test its charge frequently, replace it at the recommended intervals, and maintain proper fluid levels if applicable.
Regularly check battery connections: Loose or corroded connections can cause poor electrical performance. Ensure that battery terminals are tight and free from corrosion. Corrosion can be removed using a mixture of baking soda and water.
Keep the battery clean: Dirt and grime can lead to battery discharge. Wipe the battery casing with a damp cloth regularly. This prevents build-up that can drain energy. Make sure no moisture enters the battery compartments.
Test its charge frequently: Car batteries typically last between three to five years. Use a multimeter or have the battery tested at a professional service center to assess its performance. A healthy battery should read around 12.6 volts or higher when not in use.
Replace it at the recommended intervals: Refer to your Acura TSX owner’s manual for the recommended battery replacement schedule. Older batteries may not hold a charge effectively. Regular replacement ensures reliable vehicle start-up and operation.
Maintain proper fluid levels if applicable: Some batteries have fluid levels that require monitoring. If your Acura TSX has a serviceable battery, check the electrolyte levels and top off with distilled water if needed. Maintaining correct levels helps prevent battery failure.
Implementing these maintenance practices supports the longevity and reliability of your Acura TSX battery, ensuring optimal vehicle performance.
What Are the Costs Associated with Replacing the Battery in an Acura TSX?
The costs associated with replacing the battery in an Acura TSX generally range from $100 to $300, depending on several factors.
- Battery type (standard vs. premium)
- Labor costs (DIY vs. professional installation)
- Regional pricing variations
- Warranty options
- Additional service needs (e.g., battery terminals cleaning)
The pricing variables can greatly influence the overall expense and considerations when replacing the battery.
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Battery Type:
The battery type determines the cost significantly. The standard lead-acid battery is typically less expensive, ranging from $100 to $150. In contrast, a premium absorbed glass mat (AGM) battery can cost between $200 and $300. According to AutoZone, AGM batteries provide better performance and a longer lifespan. -
Labor Costs:
Labor costs for battery replacement vary widely. If you choose to replace the battery yourself (DIY), you can save on labor fees. However, professional installation may cost an additional $20 to $100. Many dealerships and auto repair shops charge per hour for labor, typically around $75 to $150 an hour. -
Regional Pricing Variations:
Regional pricing can affect battery replacement costs. In urban areas or regions with high demand for automotive services, prices may be higher than in rural areas. For example, battery prices in California are often higher than in states like Ohio, due to cost of living differences. -
Warranty Options:
The availability of warranty options influences the battery expenses. Many auto parts stores offer batteries with warranties ranging from 1 year to 5 years. Premium batteries may have a higher upfront cost but come with extended warranties, providing long-term value. -
Additional Service Needs:
When replacing a battery, additional services like cleaning battery terminals or checking the alternator may also be necessary. These services can incur extra costs, typically ranging from $10 to $50. Neglecting these services could lead to premature battery failure.