KickAss Smart 12V 120Ah Lithium Slimline Deep Cycle Battery LifePO4
Save more when you buy this as part of a KickAss kit.
View bundle deals →120AH Slim Lithium Battery with a fully integrated BMS system and 100Amp continuous discharge. Perfect for camping, caravanning & 4WD. Ideal for mounting behind the rear seat of dual cab ute.
Pickup available at Acacia Ridge Store
Usually ready in 1 hour
5 Years (3 Full + 2 Pro Rata) Warranty
This product is covered by a 5 Year (3 Full + 2 Pro Rata) Limited Warranty.
Description
KickAss 12V 120Ah LiFePO4 Lithium Battery & Remote Display Unit Feature Overview
Monitor Your Battery Status: Never question your lithium battery's health again! The colour screen takes the guesswork out of battery maintenance. Monitor your battery temperature, voltage, current draw, time to empty, charge status and more.
Safe Lithium Iron Phosphate Chemistry (LiFePO4): LiFePO4 is one of the most stable and safest 12V lithium chemistries available. This means KickAss LiFePO4 batteries are safe even for the toughest of tracks, with 200+ battery cycles at 100% depth of discharge.
More Usable Capacity: Unlike AGM batteries that can only safely use up to 50% capacity, the KickAss 120Ah Lithium Battery can safely use up to 80% capacity, giving you a full 96 usable amps.
Lightweight: Weighing only 14.3kg—about half the weight of a similar sized sealed lead acid battery—makes it far easier to move and install the KickAss 12V Lithium Battery into your setup.
KickAss Integrated Battery Management System (BMS): The KickAss BMS ensures your battery remains safely within all parameters, protecting your 12V lithium battery from short circuits, low voltage, overloads and more.
Durable ABS Casing: With high tensile strength and superb resistance to impacts and chemical erosion, our high-quality ABS container ensures long lifespan.
Specifications
| Voltage | 12.8V |
| Capacity | 120Ah |
| Cell Type | Prismatic |
| Max Continuous Discharge | 120A |
| Max Continuous Charge | 120A |
| Peak Discharge | 240A (30s) |
| Max Charge Temp | 60°C |
| Min Charge Temp | 0°C |
| Max Discharge Temp | 65°C |
| Min Discharge Temp | -20°C |
| Cycle Life | 4000+ cycles | 80% DOD | 1C charge / 0.5C discharge |
| Bluetooth | Yes |
| Remote Display | Optional |
| Parallel / Series | 4 / 4 |
| Parallel / Series Remote Monitoring | Bluetooth | Remote Display |
| Dimensions | 395 x 110 x 307mm |
| Weight | 14.35kg |
| Certifications | IEC62619 |
| Warranty | 3 Years + 2 Pro Rata |
User Manual and Support
KickAss has warehouses located on both the East and West Coast of Australia. Express orders are dispatched same business day if ordered before 12pm AEST. Standard orders are dispatched within 2-3 business days. Deliveries are made during business hours, Monday to Friday.
At KickAss, we take full control of our product journey - from concept to creation - by designing, engineering, and manufacturing our own batteries and 12V accessories in our wholly owned facilities located in Australia, China, and the USA. This end-to-end approach allows us to maintain strict quality standards, drive innovation, and deliver unbeatable value. By owning our production facilities, we ensure every product that carries the KickAss name is built tough, tested rigorously, and ready for off-grid adventure.
Change your mind? No worries, our quick & easy online or in-store returns process has you covered. Learn more.
BUNDLE & SAVE!
12V 120Ah Lithium Deep Cycle Battery LifePO4, and 120Ah Battery Tray
12V 120Ah Lithium Deep Cycle Battery LifePO4, and Lithium Battery Remote Display Unit / Monitor + Extension Cable - 5m
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See why our customers are all in—these reviews speak for themselves!
- Joseph M.Verified BuyerReviewingKickAss Smart 12V 120Ah Lithium Slimline Deep Cycle Battery LifePO4I recommend this productRated 5 out of 5 stars17 hours agogreat product
great product, runs all my 12v needs
- Shell H.Verified ReviewerReviewingKickAss Smart 12V 120Ah Lithium Slimline Deep Cycle Battery LifePO4I recommend this productRated 5 out of 5 stars1 week agoWould buy again
Battery works great and the built-in Bluetooth makes it so easy to keep an eye on everything
- EdwardVerified ReviewerReviewingKickAss Smart 12V 120Ah Slimline Lithium Premium Dual Battery KitI recommend this productRated 5 out of 5 stars2 weeks agoAwesome
Great product
- Dylan M.Verified BuyerReviewingKickAss Smart 12V 120Ah Lithium Slimline Deep Cycle Battery LifePO4I recommend this productRated 5 out of 5 stars1 month agoBEST BANG FOR BUCK.
Fast delivery and such a good product for your 12v system. Gives you enough to get out there and enjoy the outdoors in comfort
- JaeMac C.Verified BuyerReviewingKickAss Smart 12V 120Ah Lithium Slimline Deep Cycle Battery LifePO4I recommend this productRated 5 out of 5 stars1 month agoSlim
The slim lithium battery is a great edition to my boat powering up the trolling motor knowing what I’m using each day is great so I’m not having to charge it unnecessarily. And fits perfectly without taking valuable realestate
Frequently Asked Questions
How much capacity and power can the KickAss Smart 12V 120Ah Lithium Slimline Battery provide for my off-grid setup?
With 120Ah capacity, this battery can run your appliances longer than standard options, while the high continuous and pulse discharge currents ensure it can handle demanding loads like fridges, pumps, and power tools without strain.
Can I connect multiple KickAss Smart 12V 120Ah Lithium Slimline Batteries together for more power?
This flexibility allows you to scale your power system easily, whether you need higher voltage or increased capacity. The built-in Battery Management System (BMS) ensures safe and balanced operation across all connected batteries.
How do I set up and start using the KickAss Smart 12V 120Ah Lithium Slimline Battery correctly?
Starting with a full charge optimises battery performance and longevity. You can also download the KA Lithium App for Bluetooth monitoring and connect the optional Remote Display Unit for real-time status updates, making setup and operation straightforward and user-friendly.
What safety features does the KickAss Smart 12V 120Ah Lithium Slimline Battery have to protect me and my equipment?
These protections ensure your battery and connected devices remain safe during use. Additionally, the battery is IEC62619 certified, reflecting compliance with international safety standards, giving you peace of mind in rugged off-grid environments.
Can I monitor the battery’s status remotely and keep track of its health easily?
This advanced monitoring capability helps you manage battery performance proactively, ensuring you always know your power availability and can optimise usage for longer battery life and better system reliability.
What are the physical dimensions and weight of the KickAss Smart 12V 120Ah Lithium Slimline Battery, and is it easy to install in tight spaces?
This compact form factor is perfect for caravans, boats, or small off-grid setups where space is limited. The included mounting bolts and optional battery tray accessories simplify secure installation and integration into your system.
What charging requirements should I be aware of to keep the KickAss Smart 12V 120Ah Lithium Slimline Battery performing optimally?
Following these charging parameters ensures safe, efficient charging and maximises battery lifespan. The built-in BMS safeguards against overvoltage and overheating, so you can confidently use your battery with compatible lithium chargers.
Is the KickAss Smart 12V 120Ah Lithium Slimline Battery suitable for use in extreme weather conditions?
Its robust design and thermal protections allow reliable performance in cold winters and hot summers alike, ensuring your off-grid power remains consistent and dependable no matter the environment.
