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Your YFZ450’s engine is a high-compression single-cylinder beast that needs serious cranking power to fire up, especially after a week sitting in the shed. Skimp on the battery, and you will be bump-starting on a cold morning. The right battery delivers instant starts every time., fits the tray without shims, and handles vibration without leaking. The CB CHROMEBATTERY YTX14-BS is the one most riders should buy: it drops in perfectly, cranks hard, and comes with an 18-month warranty that beats most of the competition.
I’m Mo Maruf — the founder and writer behind GoCarLife. This guide is built by comparing the manufacturers’ published specifications and the patterns across verified customer reviews, so you get each pick’s real strengths and trade-offs instead of marketing spin.
The winner is determined by cranking power, weight, and verified owner feedback..
Our Picks at a Glance
How To Choose The Best YFZ450 Battery
Your YFZ450 revs high, vibrates hard, and demands a battery that delivers consistent cranking power. Pick the wrong chemistry or a battery with weak CCA (cold cranking amps, the measure of starting power in cold temperatures), and you will face frustrating dead mornings — especially if you ride seasonally.
AGM vs. Lithium — The Real Difference for Your Quad
AGM (absorbent glass mat) batteries hold the acid in fiberglass mats, which makes them sealed and spill-proof. They handle vibration far better than a conventional flooded lead-acid battery, so they work as a direct, low-maintenance replacement for your original YFZ450 battery. Lithium LiFePO4 (lithium iron phosphate) batteries weigh dramatically less — often less than half — and deliver higher cranking power in a smaller package. The trade-off is a higher upfront cost and, on some quads, a need to confirm that the charging system is compatible.
Cold Cranking Amps (CCA) Matter More Than You Think
CCA is a rating that tells you how many amps a battery can deliver at 0°F for 30 seconds while maintaining voltage. Your YFZ450 engine needs enough CCA to overcome compression and spin the crank. A battery with too low a rating cranks sluggishly on cool mornings. A battery delivering 110 CCA is adequate for a stock engine; one delivering 240 CCA gives you a crisp, instant start even after the quad has sat for weeks.
Fitment and Terminal Type
The battery must sit flat in the tray — if it does not, it will bounce and lose terminal connection on rough trails. Your YFZ450 tray accepts standard B size cases. Terminals can be either a nut-and-bolt style (more secure for high-vibration use) or pre-threaded stud terminals. Each product below tells you the terminal type so you know exactly what you are hooking up.
Quick Comparison
| Model | Best For | CCA (Cold Cranking Amps) | Chemistry | Weight | Amazon |
|---|---|---|---|---|---|
| CB CHROMEBATTERY YTX14-BS★ Best Overall | Best Overall — proven drop-in reliability | — | AGM Lead Acid | 4.4 kg (9.7 lbs) | Amazon |
| TYKOOL YT7B-BS Lithium | Premium upgrade — massive cranking power, minimal weight | 240 | LiFePO4 | 1.98 lbs | Amazon |
| ZIPPBATTERY YT7B-BS | Budget champion — low-cost, fits tight spaces | 110 | AGM Lead Acid | 4.7 lbs | Amazon |
| UPLUS YTZ7S | Entry-level value — lowest price, compact size | — | AGM Lead Acid | 4.69 lbs | Amazon |
In‑Depth Reviews
1. CB CHROMEBATTERY ATV Battery (YTX14-BS)
Our pick — 4.5★ from 150+ verified ratings; the strongest balance of quality and price.
The crowd-favorite AGM that just works — no modifications, no second-guessing..
This is the highest-rated option for the YFZ450 because it drops into the tray and fires the quad with no fuss. It is a YTX14-BS sealed AGM (absorbent glass mat) battery, meaning the acid is held in glass fiber mats so it cannot spill even on steep climbs. The manufacturer states the build is UL-certified for safety and engineered to strict Japanese QC standards, which gives it a level of quality control that budget batteries sometimes skip. It weighs 4.4 kg (9.7 lbs).
What wins owners over is the fit — it earns the most praise by a wide margin in the review data. The dimensions are 5.91 x 3.39 x 5.71 inches, and it arrives factory-charged, so you install it and go. One owner of a Yamaha 450 summed it up: “Good battery for the price got a lot of power starts my 450 Yamaha no problem Has extra lugs on the top case.” The 18-month warranty from a U.S.-based manufacturer is better than the typical 12 months, with a 60-day refund window for quality issues. The catch, as a few buyers report, is the venting system — some applications that route a vent tube away from the battery may find the case lacks a traditional vent port, so check your setup if your stock battery had a vent line. Compared to the TYKOOL lithium option, this CB CHROMEBATTERY is a heavier and less powerful battery, but it is also far cheaper and more forgiving of neglect if you skip a charge for a few months.
drop-in reliability: The highest-rated pick here for a reason — proven fit, strong cranking, and an 18-month warranty from a company that stands behind it.
best for direct swap: you want a battery that fits perfectly, cranks strong on the first try, and comes with solid warranty support from a domestic seller.
if weight matters: your stock setup uses a vent tube — verify the case works with your vent routing before ordering.
2. TYKOOL YT7B-BS Lithium LiFePO4 Battery
1.98 pounds and 240 CCA — a massive weight reduction and a massive power increase..
If you want the absolute highest cranking power for your YFZ450 in the smallest, lightest package, this lithium LiFePO4 (lithium iron phosphate) battery is the answer. It weighs 1.98 lbs, while the CB CHROMEBATTERY weighs 4.4 kg (9.7 lbs). That shifts handling noticeably on a sport quad. The cold cranking amps are rated at 240 CCA, compared to the ZIPPBATTERY’s 110 CCA. It replaces the YT7B-BS case size at 5.91 x 2.56 x 3.66 inches, so it bolts right into the stock tray on a YFZ450.
The feature riders rave about is the built-in digital voltage display on top — press a button and you see your battery charge level at a glance, a practical touch for anyone who stores their quad for months between rides. It also has a smart BMS (Battery Management System) that protects against overcharge, deep discharge, over-current, and short circuits. The catch is the price — this is the most expensive option here. A small number of owners mention early failure with this model, so while the majority of users are impressed, lithium batteries can be less forgiving of a dead or parasitic discharge than AGM. That said, owners on YFZ450s specifically say it cranks hard — one wrote “battery worth the price works great on my YFZ 450.” This pick is for the rider who wants the lightest build and the fastest starts, not the budget shopper.
weight-savings power king: class-leading CCA and a massive weight reduction — ideal for the performance-minded rider who wants instant starts every time.
lightest option: you want a huge CCA boost, shave nearly three pounds off your quad, and like the convenience of a built-in voltage display.
if budget tight: your budget is tight or your quad sits for months with no battery tender — lithium packs are less tolerant of full discharge than AGM.
3. ZIPPBATTERY YT7B-BS 12V 110 CCA AGM
The low-cost AGM that trades some battery life for a very low entry price..
This is the battery to grab if you want a spare, you ride occasionally, or you are on a tight budget. It is a sealed AGM battery with 110 Cold Cranking Amps and a compact 5.91 x 2.56 x 3.7 inch case — smaller than the YTX14-BS but still a direct fit for the YFZ450. It uses a T3 nut-and-bolt terminal, so the connection is secure and vibration-resistant. Like the CB CHROMEBATTERY, it comes fully charged and ready to install, and the manufacturer says it is UL-certified. It weighs 4.7 lbs.
Value is what reviewers praise most — it is the cheapest battery on this list by a meaningful margin. Customers note it lasting two to three years on a scooter with a battery maintainer over winter, and one owner who bought it in 2022 was buying another in 2024: “It’s not died but it’s probably time for a new one. I’m buying another one.” The trade-off is that battery life is the most-discussed topic, and it leans negative — several reviewers point out the battery failing within a month, including one who left it on a shelf and found it dead. The 18-month warranty covers replacements, but for orders outside the domestic US the warranty is void. This is a fine choice for a low-use quad, but it is not the one to rely on for a race season or a machine that sees weekly starts. If you need something tougher for regular riding, the CB CHROMEBATTERY is a safer bet.
ultra-budget runner: Works fine for occasional riders, but be prepared for a shorter service life than the higher-priced AGM options.
cheapest choice: you need a battery now, on a tight budget, and your quad gets light use — it will crank reliably for a season or two.
if cold climate: you ride weekly or expect three-plus years of service — a few early failures and mixed battery-life reports make it a gamble for frequent use.
4. UPLUS YTZ7S ATV AGM Battery
The cheapest YFZ450 battery you can buy — and the one with the most reliability concerns..
At this price point, the UPLUS YTZ7S is an entry-level AGM (absorbent glass mat) battery that fits the YFZ450. It is rated at 12V and 6Ah (amp-hours, a measure of how much charge it holds), which is slightly lower capacity than the 7Ah models above. The compact dimensions (4.45 x 2.76 x 4.13 inches) make it fit the stock tray, and the spill-proof sealed design means you can install it at multiple angles without worry. The manufacturer claims 99.99% lead content in the plates — their way of asserting high internal material quality.. It weighs 4.69 lbs.
The data tells a mixed story. Battery quality and value for money are praised, and a few shoppers say great results — one said “Seems like great quality! Already installed into the bike… Bike runs great and for a value that matters!” Another expected a four to five year functional life. However, battery life is the most-mentioned topic by a long margin, and the sentiment is mixed, leaning toward concern. One reviewer noted, “Bought mid-Oct, failed within 2 months. Past Amazon return window. Seller unresponsive.” That is the risk with the cheapest option — the 15-month warranty is shorter than the 18-month warranties on the CB CHROMEBATTERY and ZIPPBATTERY. This battery makes sense as a backup or a very short-term fix, but the consensus in reviews is that paying slightly more for the ZIPPBATTERY or the CB CHROMEBATTERY buys you significantly better reliability. Skip this unless you absolutely need the lowest upfront cost.
bare-bones budget buy: Gets the job done from the start, but the most-discussed topic in owner reports is battery life — and it is not a confident one.
lowest cost: you absolutely need the lowest upfront cost and are willing to risk a shorter life — it works when it arrives.
if long life needed: you want to install a battery and forget about it for years — the CB CHROMEBATTERY or TYKOOL options are a much better long-term value.
Understanding the Specs
Cold Cranking Amps (CCA)
CCA tells you how much starting power a battery delivers in cold weather. It is the number of amps the battery can pump out at 0°F for 30 seconds without dropping below 7.2 volts. A stock YFZ450 can start on 110 CCA, but a higher number — like 240 CCA — gives you a much faster, more confident crank, especially if the engine is built with higher compression or if you ride in cooler climates. More CCA is never a downside; it just ensures the starter motor spins the engine with authority every time.
AGM (Absorbent Glass Mat) vs. LiFePO4 (Lithium)
AGM batteries use acid-soaked glass fiber mats instead of free-flowing liquid. They are sealed, spill-proof, and handle vibration without leaking — ideal for a sport quad that gets bounced around on trails. LiFePO4 (lithium iron phosphate) batteries are much lighter and deliver higher CCA in the same physical space, but they cost more and require a compatible charging system. AGM is the safe, proven choice for most riders; lithium is the performance upgrade for weight-conscious owners who want the extra cranking power.
FAQ
Will a YTX14-BS battery fit my YFZ450?
How do I know if a lithium battery is compatible with my stock charging system?
How many Cold Cranking Amps (CCA) do I need for a YFZ450?
Can I use any of these batteries in my YFZ450 if the terminals are different?
How long does an AGM battery typically last on a YFZ450?
Is a lithium battery worth the extra money for a YFZ450?
What size battery does a YFZ450 take?
Will the battery come charged and ready to install?
Final Thoughts: The Verdict
For most riders, the right yfz450 battery is the CB CHROMEBATTERY YTX14-BS because it combines proven fit, strong cranking, and an 18-month warranty into a sealed AGM that simply works. If you want the lightest weight and highest cranking power, go with the TYKOOL YT7B-BS Lithium — 240 CCA in a 1.98 lb package. And for the budget-conscious rider who needs a spare or a low-use battery, the ZIPPBATTERY YT7B-BS delivers 110 CCA at the lowest price, though you trade some long-term reliability for that entry cost.
How We Picked
We do not accept paid placement. Every pick is matched to a real buyer and a real use-case; we do not hands-on test units.
Sources & Methodology
Specifications: manufacturer listings and product documentation. Review insights: verified customer reviews, as of July 2026. Pricing: not shown on this page (it changes often); check the current price via the retailer link.
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