by Liam O'Brien
Contents
As long as you ride a bike, you are sure you will need to replace your motorcycle battery at some point — they have a limited lifespan and every charge cycle brings them closer to retirement. Modern riders have more options than ever: traditional sealed AGM batteries offer reliable, no-maintenance power at a reasonable cost, while LiFePO4 lithium batteries deliver dramatically lighter weight, higher cold-cranking amps, and longer cycle life for those willing to invest a bit more upfront.
This motorcycle batteries review covers the top 6 options available in 2026, spanning both lithium and AGM technologies. Whether you ride a lightweight sport bike, a mid-size adventure tourer, or a heavyweight cruiser, there is a battery on this list built for your application. We also include a buying guide covering battery types, sizing, CCA requirements, and tips on extending battery life — so you can make the best possible choice before spending your money.
For authoritative background on motorcycle electrical systems and battery standards, the Motorcyclist battery buyer's guide is a solid reference alongside this review.
The WEIZE Lithium YTX20L-BS is our top pick for riders who want a direct-fit, high-performance replacement for the YTX20L-BS group-size battery. It replaces traditional lead-acid in ATVs, UTVs, jet skis, and cruiser-class motorcycles without any wiring changes.
At 480 cold cranking amps and a 10Ah LiFePO4 cell, it delivers noticeably stronger starts in cold weather compared to conventional AGM options. The built-in Smart BMS protects against overcharge, over-discharge, short circuit, and cell imbalance, extending cycle life well beyond lead-acid alternatives.
Physically, it is roughly 60% lighter than the AGM it replaces, a genuine benefit for performance bikes and touring machines where unsprung weight matters. The sealed LiFePO4 chemistry is also non-flammable and maintenance-free, with no acid to spill and no water to add.
The main limitation is that older chargers designed strictly for lead-acid may not charge LiFePO4 optimally. A lithium-compatible charger or smart charger is recommended. Overall, this is an excellent daily-rider battery that earns its Best Overall ranking on value, power, and longevity.
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Shorai pioneered the lithium iron powersports battery segment and the LFX14A4-BS12 remains one of the most respected YTX14-BS equivalents on the market. It is purpose-built for performance motorcycles, ATVs, and other powersport applications that demand light weight without sacrificing cranking power.
The LFX14A4-BS12 produces 390 cold cranking amps from a cell that weighs under 2 lbs — a reduction of 5–7 lbs compared to the AGM battery it replaces. Higher resting voltage (13.2 V vs. 12.8 V nominal for lead-acid) means stronger cranking at the starter motor and faster starts even on cold mornings.
Shorai's cells are prismatic LiFePO4, which operate safely across a wide temperature range and do not suffer sulfation — the main cause of premature AGM failure. A five-year pro-rated warranty backs the build quality. The battery arrives with foam inserts to fill any size gap inside the OEM battery box.
A dedicated Shorai charger or lithium-compatible smart charger is required; standard lead-acid maintainers can over-charge and damage the cells. Budget-conscious buyers will find lower-cost LFX alternatives, but the Shorai nameplate commands premium pricing for its proven track record.
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The Antigravity AT12BS-RS is built for riders who never want to be stranded by a dead battery. Its patented RE-START technology saves a reserve charge separate from the main cell — if the battery drains completely (say, from leaving lights on), pressing the RE-START button re-routes that reserve to the starter circuit for one emergency start.
At 360 cold cranking amps and only 2.3 lbs, it replaces YTX9-BS, YTX12-BS, YT12A-BS, and similar group sizes found on sport bikes, Harleys, and adventure tourers. The integrated BMS monitors individual cell voltage and provides overvoltage, under-voltage, short-circuit, and temperature protection on all six cells.
Because the BMS is built in, the AT12BS-RS is compatible with any smart charger that has a lithium or LiFePO4 mode, and it charges significantly faster than lead-acid — typically reaching full charge in 1–2 hours. Antigravity includes a two-year limited warranty and maintains authorized dealer service in the US.
The 4.2-star rating reflects a small percentage of buyers who experienced BMS cut-off in extreme cold (below 0°F), which is a common lithium limitation. For moderate to warm climates, this battery is an outstanding choice.
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The Antigravity ATZ-10 is the compact sibling of the AT12BS-RS and is specifically sized for sport bikes, supersports, and lightweight adventure machines that run YTZ-series OEM batteries. Like all Antigravity RE-START models, it carries a reserve charge that can restart the bike if the main cell is depleted.
The 360 cold cranking amp output is exceptional for a battery weighing only 2.6 lbs. OEM YTZ10S or YTZ12 batteries typically weigh 6–8 lbs, so riders dropping in an ATZ-10 enjoy a meaningful chassis-level weight reduction that improves both handling and acceleration feel on lightweight sport bikes.
Antigravity's built-in BMS provides individual-cell protection and actively balances cells during charging. The ATZ-10 is fully compatible with standard lithium-mode smart chargers and can be left on a tender over winter without cell damage. The battery arrives ready to install with no activation required.
Prices for this battery are higher than budget alternatives, but Antigravity's engineering pedigree, US-based warranty support, and the unique RE-START feature make it a justifiable investment for premium bikes. Available through Amazon and Antigravity's authorized dealer network.
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Yuasa is the undisputed OEM battery supplier for Honda, Kawasaki, and dozens of other major motorcycle manufacturers. The YTX14-BS is one of their best-selling AGM powersports models, fitting hundreds of street bikes, ATVs, and scooters that use the YTX14-BS group size. If your bike shipped with a Yuasa battery, this is the like-for-like replacement.
This version ships with a separate acid pack that you fill prior to first use, then seal permanently — the battery is fully maintenance-free afterward. Yuasa's advanced lead-calcium grid technology holds specific gravity more than three times longer than conventional lead-antimony batteries, extending shelf life and stand-by performance on bikes that sit through winter months.
At 200 cold cranking amps from a 12Ah cell, the YTX14-BS is a proven, conservative choice for commuters and weekend riders who prefer a known quantity. Standard AGM chargers work perfectly, and the battery is compatible with any OEM or aftermarket charging system without modification.
The 3.7-star aggregate rating on Amazon reflects a subset of buyers who received batteries with insufficient acid fill or shipping damage — a warehouse storage issue rather than a product flaw. Purchased from a reputable seller, Yuasa quality is as reliable as any battery in this segment.
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The Weize Lithium YTX14-BS delivers lithium performance at a noticeably lower price than premium brands. At 360 cold cranking amps from a LiFePO4 cell, it outperforms the AGM YTX14-BS (200 CCA) while weighing a fraction of the traditional battery. It fits YTX14-BS, YTX12-BS, and YTX9-BS case sizes — covering a wide range of 250–650cc street bikes, sport bikes, and ATVs.
Weize's built-in Smart BMS protects against overcharge, over-discharge, short circuit, and temperature extremes, extending cycle life well beyond what unprotected AGM cells can deliver. The battery arrives fully charged and ready to install with no activation steps required. Polarity is correct for the YTX group and no adapter is needed.
LiFePO4 cells retain charge during storage far better than lead-acid — self-discharge rates are typically under 3% per month versus 15–20% for AGM. Riders who park their bikes seasonally benefit significantly from this characteristic, as the battery will be ready to start after months in the garage without a trickle charge.
At 4.2 stars, the Weize Lithium YTX14-BS earns a strong recommendation for budget-conscious riders who want the weight, cranking, and longevity advantages of lithium without paying premium-brand prices. A lithium-compatible charger is recommended for optimal life cycle.
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Choosing the right motorcycle battery is not complicated, but it does require matching the battery to your bike's specifications and your riding habits. The wrong battery — undersized, wrong type, or wrong group size — can leave you stranded or cause premature failure. This buying guide covers everything you need to know before purchasing.
There are three primary technologies you will encounter when shopping for a replacement battery: conventional flooded lead-acid, sealed AGM (Absorbed Glass Mat), and lithium iron phosphate (LiFePO4). Flooded batteries are inexpensive but require periodic water top-ups and must be stored upright — most modern bikes have moved away from them. Sealed AGM batteries are the dominant technology today: maintenance-free, spill-proof, and compatible with any standard charging system. LiFePO4 lithium batteries are the premium option, offering 60–70% weight savings, higher CCA output per cell, and 5–10x longer cycle life at a higher initial price.
For riders on a budget or those replacing an OEM battery on a commuter bike, a quality sealed AGM is entirely sufficient. For performance riders, touring enthusiasts, or anyone who regularly parks for months between rides, a lithium upgrade delivers real, measurable benefits.
All batteries on this list are sealed — they require no water addition and will not leak if the bike tips over. The distinction matters primarily if you are shopping older or economy batteries. An unsealed (flooded) battery can gas off hydrogen during charging and must be vented properly. Sealed AGM and all lithium batteries are safe for enclosed battery boxes and horizontally mounted battery trays, making them the correct choice for the vast majority of modern motorcycles.
Some sealed AGM batteries like the Yuasa YTX14-BS ship with a separate acid pack for initial activation. This is a one-time fill — after activation, the battery is permanently sealed. It is not a maintenance item; you never add water to a sealed battery after the initial fill.
All motorcycle batteries on this list are 12 volts nominal. Lithium LiFePO4 cells have a slightly higher resting voltage (13.2–13.4 V) compared to lead-acid (12.6–12.8 V), which translates to stronger cranking at the starter motor. This is one of the reasons lithium batteries feel like a performance upgrade even in the same case size as the AGM they replace.
Make sure your replacement battery matches the voltage and polarity configuration of your OEM battery. Most modern motorcycles use 12 volt systems; older bikes from the 1970s and earlier may use 6 volt systems. Check your owner's manual if unsure.
Cold Cranking Amps (CCA) measure how much current a battery can deliver for 30 seconds at 0°F (-18°C) while maintaining at least 7.2 volts. Higher CCA means faster, more reliable starts — especially important in cold climates or on high-compression engines. The Yuasa YTX14-BS delivers 200 CCA, which is typical for lead-acid in this group size. The lithium batteries on this list range from 360 to 480 CCA — a significant performance advantage from the same physical footprint.
Match CCA to your engine displacement and climate. A 250cc bike needs far less starting current than a 1,200cc V-twin. Your bike's service manual or OEM battery specification will list the minimum CCA required. Choosing a battery with more CCA than the minimum is always acceptable and provides a reliability cushion in cold weather.
Every battery group size (YTX20L-BS, YTX14-BS, YTZ10S, etc.) has defined length, width, and height dimensions set by the Battery Council International standard. Always confirm the group size your bike requires before ordering — do not assume a battery will fit just because its voltage and CCA match. An oversized battery will not fit in the battery box; an undersized one may vibrate loose.
Lithium batteries in compact cells sometimes include foam spacer pads to fill extra space in a larger battery box. This is normal and acceptable — check the product listing for included hardware before purchasing.
A quality sealed AGM motorcycle battery typically lasts 3–5 years with proper maintenance. LiFePO4 lithium batteries are rated for 2,000+ charge cycles — translating to roughly 10+ years of typical riding use. The main enemies of any motorcycle battery are deep discharge (running the battery completely flat repeatedly), prolonged storage without a tender, and using the wrong charger type.
Invest in a quality smart charger or battery tender for winter storage. Battery Tender, NOCO, and Optimate all make excellent lithium-compatible models that maintain the battery at peak charge without overcharging. A properly maintained lithium battery can outlive the motorcycle it powers.
WEIZE Lithium YTX20L-BS Motorcycle Battery, Built-in Smart BMS, 480CCA, 12 Volt 10AH LiFePO4 Powersports Battery - Walmart Link
Shorai LFX14A4-BS12 Lithium Iron Powersports Battery, 14Ah Equivalent, 390 Cranking Amps - Walmart Link
Antigravity AT12BS-RS Lithium Ion Battery with BMS and Re-Start Technology, 360CCA, 2.3 Pounds, 12Ah Lightweight Motorcycle Battery - Walmart Link
Antigravity ATZ-10 Performance Lithium Motorcycle Powersport Battery with Built-In RE-START Jump Starting, 6.1Ah, Replaces YTZ10 YTZ12 - Walmart Link
Yuasa YTX14-BS Maintenance Free Battery with Acid Pack, 12V 12Ah 200 Cold Cranking Amps AGM Powersports Battery - Walmart Link
Weize Lithium YTX14-BS Motorcycle Battery, Built-in Smart BMS, 12 Volt 7.5AH, 360CCA LiFePO4 Powersports Battery - Walmart Link
WEIZE Lithium YTX20L-BS Motorcycle Battery, Built-in Smart BMS, 480CCA, 12 Volt 10AH LiFePO4 Powersports Battery - eBay Link
Shorai LFX14A4-BS12 Lithium Iron Powersports Battery, 14Ah Equivalent, 390 Cranking Amps - eBay Link
Antigravity AT12BS-RS Lithium Ion Battery with BMS and Re-Start Technology, 360CCA, 2.3 Pounds, 12Ah Lightweight Motorcycle Battery - eBay Link
Antigravity ATZ-10 Performance Lithium Motorcycle Powersport Battery with Built-In RE-START Jump Starting, 6.1Ah, Replaces YTZ10 YTZ12 - eBay Link
Yuasa YTX14-BS Maintenance Free Battery with Acid Pack, 12V 12Ah 200 Cold Cranking Amps AGM Powersports Battery - eBay Link
Weize Lithium YTX14-BS Motorcycle Battery, Built-in Smart BMS, 12 Volt 7.5AH, 360CCA LiFePO4 Powersports Battery - eBay Link
The best motorcycle battery in 2026 depends on your priorities: if you want maximum performance and longevity, the WEIZE Lithium YTX20L-BS delivers 480 CCA, built-in Smart BMS protection, and LiFePO4 chemistry that will outlast multiple AGM replacements. If you ride a sport bike and demand the lightest possible battery with emergency-start insurance, the Antigravity AT12BS-RS or ATZ-10 RE-START are in a class of their own.
For traditionalists or riders on OEM-specified replacements, the Yuasa YTX14-BS remains the gold standard of AGM reliability — the same battery that comes from the factory on hundreds of Honda, Kawasaki, and Yamaha models. The Shorai LFX14A4-BS12 and Weize Lithium YTX14-BS offer compelling lithium upgrades for YTX14-BS applications at different price points.
Whatever you choose, pair it with a smart charger rated for the battery chemistry (AGM or lithium), and your investment will last years rather than months. A good battery tender during the off-season is the single best thing you can do to extend battery life and ensure your bike starts every time you turn the key.
A quality sealed AGM motorcycle battery typically lasts 3–5 years with proper maintenance and storage. LiFePO4 lithium motorcycle batteries are rated for 2,000+ charge cycles, which translates to 8–12 years of typical use. Deep discharging, improper charging, and long-term storage without a tender are the primary causes of early failure in both types.
Yes, in most cases you can directly replace a lead-acid or AGM motorcycle battery with a lithium LiFePO4 battery of the same group size. Lithium batteries deliver higher cold cranking amps, significantly less weight, and longer cycle life. The main requirements are using a lithium-compatible smart charger and ensuring the battery management system (BMS) is compatible with your bike's charging system voltage (typically 14.2–14.5 V regulated charging on modern bikes).
CCA stands for Cold Cranking Amps. It measures how much current the battery can deliver for 30 seconds at 0°F (-18°C) while staying above 7.2 volts. Higher CCA means stronger starts in cold weather. Lithium LiFePO4 batteries produce significantly higher CCA from the same physical size compared to AGM — for example, the Weize Lithium YTX20L-BS delivers 480 CCA while an AGM YTX20L-BS typically provides 230–270 CCA.
Antigravity's RE-START technology reserves a small portion of the battery's charge in a protected circuit. If you accidentally drain the main cell completely (for example, by leaving the lights on), you press the RE-START button on the battery, which routes this emergency reserve to the starter circuit for one start. It is a genuine safety net that sets Antigravity apart from other lithium battery brands.
Lithium LiFePO4 batteries are significantly better for seasonal storage. Their self-discharge rate is under 3% per month, compared to 15–20% per month for lead-acid AGM. A lithium battery left in storage for 6 months will still have most of its charge, while an unattended AGM battery may sulfate and fail to take a charge. If you do store either type, connecting a compatible smart charger or battery tender once a month is always recommended.
Check your motorcycle's owner's manual — it lists the OEM battery part number and group size (for example, YTX14-BS or YTZ10S). You can also find battery group sizes by year, make, and model on battery retailer lookup tools such as those provided by Yuasa, Battery Tender, or Crutchfield's powersports battery finder. Always verify length, width, height, and terminal polarity before purchasing.
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About Liam O'Brien
Liam O'Brien is a tools and equipment specialist who has been buying, breaking, and reviewing automotive tools for over a decade. He focuses on what actually holds up in real-world DIY garage use, not just what looks good on a workbench.
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