Sale!
5 Warranty Icon
5 Year Warranty
BLUETOOTH CONNECTION
Bluetooth Enabled
iPhone/Android App
iPhone/Android App
Free Shipping
Free Shipping

50%

Lighter

0%

MAINTENANCE

200%

POWER

500%

CHARGING

Ionic Lithium 12V S8 Group U1 | 1220 CA | LiFePO4 Starter Battery + Bluetooth

Ionic Lithium 12V S8 Group U1 | 1220 CA | LiFePO4 Starter Battery + Bluetooth

Fast Free Shipping on $150+ in The US
5-year warranty
  • Ideal for powerful zero-turn lawn mowers
  • 1,220 Peak Cranking Amps (3 sec) for maximum performance
  • 12V LiFePO4 Starter “smart battery” features built-in Battery Management System (BMS) 
  • Always reliable with power terminal cut-off & recovery
  • Lightweight yet powerful – weighs only 9lbs
  • 70% lighter than lead acid batteries & more space-efficient
  • Bluetooth technology – monitor your battery via Bluetooth. With our convenient Ionic App,  you’ll always know exactly how much power is left
  • Easy to install with drop-in replacement 
  • 2-4x the service life 
  • Once battery reaches 25% capacity, it will automatically turn off to store reserve energy
  • Emergency Start feature can be used with the press of a button, thanks to stored battery reserve
  • Simple drop in replacement – just plug it in and play!
  • Cell balancing & low voltage/over voltage/short-circuit protection
  • Better performance – with Ionic 12V 30Ah battery, you’ll experience improved starting power, faster charging times, & a longer lifespan
  • Complete peace of mind with 5-year warranty
  • Dimensions (Lx W x H): 7.7 x 5.1 x 6.1″ (196 x 130 x 155 mm)
  • Weight: 9lbs
  • Connect up to four in series & unlimited in parallel. Learn more

Original price was: $349.00.Current price is: $319.00.

Availability: 176 in stock

Warranty: 5 Years

Frequently Bought Together With:

Ionic Lithium LiFePO4 12V 10A Charger

These chargers are constant current, constant voltage (CCCV) “Smart” chargers for 12V LiFePO or lead-acid batteries. “Smart” chargers stop charging once it reaches 14.6V.

For safety reasons, the charger times out and stops charging after 72 hours of continuous use. This is indicated by blinking red LEDs. To activate the charger again, simply disconnect and reconnect the power cable.

M6 Terminal Adapter

M6 Terminal Adapter:
  • For use with our red 12v starter batteries:
  • METRIC M6 thread male, used for any battery that has the terminal M6 threaded holes (lead-acid or lithium batteries) extension to standard top post.
  • Sturdy terminal post adapter for increased strength, conductive and reduced corrosion.
  • Adapters come as a set - one positive and one negative.
  • Weight - .15 oz

Ionic Lithium LiFePO4 12V 2A Trickle Charger

  • This smart trickle charger provides a lower charge to prolong the battery's charge during extended periods of inactivity.
  • A constant current and voltage is provided until the battery reaches full charge, then it will hit floats mode to maintain full charge. This helps maximize the life of your lithium battery.
  • 12V LiFePO 2A charger works with all of our Deep Cycle Lithium Batteries, Starter Batteries as well as lead-acid.
  • You can wire this charger in parallel to provide additional charging current to large battery systems.
  • 30-day return policy.

Out of stock

- +
Fast Free Shipping on $150+ in The US
5-year warranty
  • Ideal for powerful zero-turn lawn mowers
  • 1,220 Peak Cranking Amps (3 sec) for maximum performance
  • 12V LiFePO4 Starter “smart battery” features built-in Battery Management System (BMS) 
  • Always reliable with power terminal cut-off & recovery
  • Lightweight yet powerful – weighs only 9lbs
  • 70% lighter than lead acid batteries & more space-efficient
  • Bluetooth technology – monitor your battery via Bluetooth. With our convenient Ionic App,  you’ll always know exactly how much power is left
  • Easy to install with drop-in replacement 
  • 2-4x the service life 
  • Once battery reaches 25% capacity, it will automatically turn off to store reserve energy
  • Emergency Start feature can be used with the press of a button, thanks to stored battery reserve
  • Simple drop in replacement – just plug it in and play!
  • Cell balancing & low voltage/over voltage/short-circuit protection
  • Better performance – with Ionic 12V 30Ah battery, you’ll experience improved starting power, faster charging times, & a longer lifespan
  • Complete peace of mind with 5-year warranty
  • Dimensions (Lx W x H): 7.7 x 5.1 x 6.1″ (196 x 130 x 155 mm)
  • Weight: 9lbs
  • Connect up to four in series & unlimited in parallel. Learn more
5 Warranty Icon
5 Year Warranty
BLUETOOTH CONNECTION
Bluetooth Enabled
iPhone/Android App
iPhone/Android App
Free Shipping
Free Shipping

50%

Lighter

0%

MAINTENANCE

200%

POWER

500%

CHARGING

Product Description

Ionic LiFePO4 12V Group U1 Lawnmower Starter Battery with 1,220 Cranking Amps

Superior Starting Power

lifepo4 12v 9ah battery | starter battery Larger zero turn lawnmowers are built tough and need to last season after season. Why not get a battery that can hang with your mower each year? A weak battery that requires heavy maintenance and a jump start every year just won’t cut it. Choose a starter battery that can handle the demands of your mower with zero maintenance and be around for the long haul with our 5 year warranty. 

If you haven’t made the switch from lead acid to lithium, we’re here to share some of the benefits of upgrading your battery system. Ionic’s 12V Group U1 1,220 CA starter battery battery has superior starting power, charges 4-6x faster, and last 4-6x longer. Our 12V Group U1 1,220 CA battery can handle all of the “extras” with ease. It can power your lights, stereo, and other electronics even when the engine is off. Here are a few other benefits:

  • Non-toxic: Enjoy nature and feel good knowing your batteries won’t leak toxic chemicals into the environment. They’re recyclable too.
  • Maintenance-free: There’s zero upkeep when it comes to our LiFePo4 12V Group U1 1,220 CA starter battery. Who has time for that?
  • Bluetooth monitoring: Check the status of your charge, voltage, current, and other important factors right from your smartphone. With the Ionic App all of this information is available to you at any time!

Compact, Powerful, & Extremely Efficient

Weighing only 10.5 pounds, our 12V Group U1 1,220 CA starter battery packs a powerful punch. In general, LiFePo4 batteries weigh about 70% lighter than typical lead acid batteries. So zoom around with more speed and less gas consumption thanks to a lighter battery! The Ionic 12V Group U1 1,220 CA starter battery is also easy to mount and doesn’t have to be upright since it’s not a liquid-filled battery. It can be mounted in any direction you want. It comes sealed so there’s no need to worry about electrolytes or other time sucks either. Simply plug it in and play! 

If cost efficiency is important to you (and we know it is) then having a starter battery with a longer lifespan is a no-brainer. Never settle for less when you can have the most. Lithium starter batteries last way longer than lead-acid batteries and also charge 4-6 times faster. So whether you use Ionic’s 12V 30Ah battery for your starting your Side-by-Side or zero-turn lawn mower, you’re maximizing your battery output as well as personal time. It’s a win-win all around.

Way Ahead In Terms Of Technology

You wouldn’t want to be stranded in the middle of the desert or anywhere else for that matter. But your trusted side-kick is only as dependable as the batteries that power it. Lithium 12V 30Ah starter batteries come with an important Emergency Start function. So if you do find your battery dying simply press a button and your engine will fire back up, thanks to your trusted battery reserve.

Our Ionic App allows you to keep track of your battery’s power level via Bluetooth technology. So before you head out on the trails be sure to check the status of your battery via Bluetooth technology. No more guesswork or worrying with the Ionic App and your dependable 12V Group U1 1,220 CA starter battery.

LiFePO4 Engine Starting Power For Your Zero-Turn Mower

We pride ourselves on high-performance and durability. Our batteries are guaranteed to last and come with an impressive 5-year warranty.

Lead acid may be cheap on the front end, but with a short cycle life and frequent maintenance, they’ll likely cost you more in the long run. Save yourself the hassle of constant battery replacement and unreliability. Maybe it’s time to make an investment that’ll give you years of reliable performance and starting power? 

If you’re looking for a dependable and long lasting starter battery for your UTV, Side-by-Side, or beast of a mower, look no further than our lithium starter batteries! Our 12V Group U1 1,220 CA starter battery is designed specifically for starting high power engines, and offers superior performance and durability. Order yours today!

Have Questions? Give Us A Ring

There are many brands of batteries on the market, but only one equipped with the latest technology, safety features, warranties and price tags that Ionic has. Wondering if the 12V Group U1 1,220 CA starter battery is the right option for starting your vehicle? Contact us today via phone or email. Our team members are here and happy to answer your questions!

Contact Us Now!

Battery Model IC-12V30-S8
Starter Battery Size 12V30Ah
Voltage 12V
Capacity 30Ah/384Wh
Chemistry LiFePo4
Weight 9bs (4.1kg)
Dimensions 7.7″ (L) x 5.1″ (W) x 6.1(H)
196x130x155mm
Life Cycles 3,000 @ 80% DOD
Max Charge Voltage 14.6±0.1V
Recommended Float Charge Voltage 13.9±0.1V
Discharge Cut Off Voltage ~8.0V
Output Voltage Range 8.0~14.6V
Cold Cranking Amps 900
Peak Cranking Amps (3 sec) 1220
Operating Temparature -20~60C
-4F~140F
BCI Group Size U1
Terminal M6

Please read our frequently asked questions page for answers commons questions regarding lithium ion batteries.

Ionic Lithium 12V 1220 CA U1 Starter Battery – Spec Sheet
Ionic Starter Bluetooth Manual
Starter Battery Manual

ModelIC-12V30-S8
Voltage12V
Capacity30Ah
BCI Group SizeU1
Water RatingIP56
Weight9 lbs (4.08 kg)
Dimensions7.7" (L) × 5.1" (W) × 6.1" (H)
196x130x155 mm

Frequently Asked Questions

What can I use this starter battery for?

It’s a Group U1 lithium starter battery built for high-power small engines: zero-turn lawn mowers (especially larger units), UTVs and Side-by-Sides, marine engine starting, and powersports. With 1,220 peak cranking amps it has plenty of starting power, and customers also run it in race cars to replace much heavier lead-acid batteries. It can power lights, stereo, and electronics with the engine off, too.

How does the Emergency Start feature work?

If the battery drains too low to crank, it automatically shuts off at 25% capacity to hold a reserve. When you’re ready to start, you trigger the Emergency Start either by long-pressing the button on the battery or through the Ionic Red Battery app — the stored reserve fires your engine back up. It’s a built-in safeguard so a forgotten accessory load doesn’t leave you stranded.

Will this fit my Group U1 battery box, and can I mount it on its side?

Yes. It’s a BCI Group U1 size (7.7″ × 5.1″ × 6.1″, 196 × 130 × 155 mm) and weighs just 9 lbs — a drop-in replacement for a U1 lead-acid starter battery. Because it’s sealed (no liquid electrolyte), you can mount it in any orientation, including on its side. It uses M6 threaded terminals; an M6-to-top-post adapter is available if your cables need standard posts.

What charger do I need, and can I charge it from my vehicle?

Yes — once installed, your mower/UTV/boat charging system keeps it topped off while the engine runs. For bench charging, use a LiFePO4-compatible 12V charger such as the Ionic 12V 10A charger (stops at 14.6V), or the Ionic 12V 2A trickle charger to maintain it during the off-season. Recommended charge current is 25A (max 50A), at 14.2 – 14.6V.

How is this different from a deep cycle battery — can I run accessories off it?

This is a starter battery, optimized for short, high-amperage bursts to crank an engine (1,220 peak cranking amps) rather than sustained deep-cycle discharge. It can power accessories like lights and a stereo with the engine off, but if your main goal is running electronics, a trolling motor, or house loads for long periods, a deep-cycle battery is the better fit. The 25%-reserve auto-shutoff is specifically there to protect cranking ability.

Customer Reviews

Don't just take our word for it! See real feedback from our customers

EXPERIENCE THE MOST POWERFUL LITHIUM STARTING BATTERIES ON THE MARKET

red iconic

5 year
warranty

Buy with confidence with our competitive no-nonsense 5 year warranty.

grade a
cells only

Ionic uses the best cells so your battery lasts longer and performs better.

bluetooth
monitoring

Monitor your charge at any time from our user-friendly Ionic mobile app.

flash icon

get the battery of tomorrow, today

50%

50 percent lighter

0%

zero maintenance

200%

2x the power

500%

5x faster charging

related items

You may also like…

Shopping Cart