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12v 300ah lithium battery with BMS protection

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LiTime 12V 300Ah LiFePO4 Lithium Battery for RV

simplified wiring of 12v 300ah lithium battery

12v battery for rv, marine, off-grid and energy back up

precautions to notice when using litime 12v 100ah mini lifepo4 lithium battery

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Features

LiTime 12V 300Ah LiFePO4 Lithium Battery for RV

$639.99

$899.99

28% OFF

30-Day Price Guarantee & 7-Day Free Return Policy Included

All-Day Energy in Just One Battery: 3840Wh for Your RV, Off-Grid Needs, and Emergency Backup

200A BMS, with 200A max. continuous discharge/charge current & 800A surge discharge current (1s).
100% protection, including overcharge, over-discharge, over-current, overheating, and short circuit protection.
EV-grade LiFePO4 cells, 4000+ cycles@100% DOD, 10 years lifespan.
3840Wh energy & 2560W max. output power.
Max. 4P4S, up to a 51.2V 1200Ah system, ideal for home backup energy, off-grid cabin, etc.
2/3 lighter & 2X energy (1C), replacing 3*12V 100Ah lead-acid battery.
High-capacity battery, suitable for RV, marine, off-grid, home storage, solar system, etc.
4 charging ways - battery charger, solar panel, generator, alternator.
Size: L20.55*W9.33*H8.58 inch.
UL-1973 tested, FCC, CE, RoHS, UN38.3 certified.
Do NOT use it as a starter battery! Please consider LiTime 12V marine starting batteries series.
Please do not orient the battery with top or front side downward. Other orientations are permissible.

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Comparison

1 Pack 12V 300Ah

$639.99 $899.99

2 Pack ($620.79 /each)

$1,241.58 $1,749.99

3 Pack ($617.59 /each)

$1,852.77 $2,619.99

4 Pack ($614.39 /each)

$2,457.56 $3,459.99

Quantity:

$639.99

$899.99

28% OFF

5-Year Warranty

Backed up by techical support within 24hrs.

30-Day Price Match

Worry-free purchase guarantee.

7-Day Free Returns

7 days no-questions-asked return.

Free Shipping

Free standard shipping on all orders.
Delivered in 2–5 business days.

12V 300Ah

$639.99

$899.99

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Features Specs FAQ Reviews

Features

LiTime One-Stop Power Station

Outstanding Features of LiTime 12V 300Ah Battery

The LiTime 12V 300Ah battery features advanced EV-grade LiFePO4 cells, offering over 4000 deep cycles at 100% depth of discharge (DOD) for exceptional longevity. Its compact design makes it 1/4 smaller and 2/3 lighter than traditional batteries, enhancing portability and ease of installation. Equipped with a robust 200A Battery Management System (BMS), this battery ensures efficient power distribution and safety. With a total energy capacity of 3840Wh and a maximum continuous output power of 2560W, it meets diverse power needs. The battery supports up to 4 parallel connections for expanded capacity and boasts an IP65 waterproof rating, making it suitable for outdoor use. Additionally, it requires no maintenance and adheres to safety standards, including CE and UN38.3 certifications, ensuring reliability and peace of mind.

main features of litime 12v 300ah lithium battery

Built to Last with EV-Grade Cells

EV-grade LiFePO4 cells, which are designed for superior performance and longevity. These cells provide over 4000 deep cycles at 100% depth of discharge (DOD), ensuring they can be used extensively without significant degradation. They boast a service life of more than 10 years, making them a reliable choice for long-term applications. Additionally, these cells are environmentally friendly, being green and non-toxic, which aligns with sustainable energy practices. They are also certified under multiple safety standards, including UL1973, FCC, RoHS, and UN38.3, ensuring compliance and reliability in various applications.

ev grade lifepo4 cells of litime 12v 300ah lithium battery

200A BMS Protection

The 200A BMS provides 100% protection against various risks, including overcharging, over-discharging, overheating, overcurrent, and short circuits, ensuring reliable operation. The BMS supports a maximum continuous discharge and charge current of 200A, allowing for robust power delivery. Additionally, it boasts a low self-discharge rate of just 3% per month, enhancing efficiency and making it ideal for long-term storage.

Lighter, More Usable Energy, More Space Saving

The LiTime 12V 300Ah batteries are 2/3 lighter than traditional lead-acid options, weighing only 62.8 lbs compared to 191.7 lbs for a typical lead-acid battery. With an impressive 200% usable energy output, our LiFePO4 batteries deliver a total capacity of 3840Wh at 100% depth of discharge (DOD) and 1800Wh at 50% DOD. This ensures that users can maximize energy efficiency for a wide range of applications, from recreational to professional use. Additionally, our batteries are designed with space-saving in mind, offering a 1/4 reduction in space requirements compared to conventional batteries. This allows for more efficient use of available space in various setups.

2/3 lighter, 200% usable energy, 1/4 space saving of of litime 12v 300ah lithium battery

Build 51.2V 1200Ah Battery Bacnk for 64.44 KWh Usable Energy

This expandable system supports a maximum load power of 40.96 kW, making it ideal for a variety of applications, from residential energy storage to commercial use. With a remarkable maximum usable energy of 61.44 kWh, this battery bank ensures that users can effectively harness and utilize stored energy. The system supports discharging and charging currents of up to 800A, enabling rapid energy transfer and efficient operation.

max. 4p4s expansion of of litime 12v 300ah lithium battery

Power Your RV Travel with 3840Wh of Reliable Energy

The LiTime 12V 300Ah battery innovative energy solution with a remarkable 3840Wh capacity, designed to efficiently power essential appliances for extended periods. This system can run a fan for up to 96 hours, a fridge for 76 hours, and a TV for 38 hours, ensuring comfort and entertainment. It can also support a washing machine for 7.7 hours, a microwave for 3.8 hours, and an air conditioner for 3.4 hours, making it perfect for both everyday use and emergency situations. Experience the reliability and versatility of our energy management solution, tailored to keep your essential devices running when it matters most.

3840wh usable energy of of litime 12v 300ah lithium battery

4 Ways to Charge

LiTime 12V 300Ah LiFePO4 battery can be charged by 4 ways. The LiFePO4 charger can fully charge your battery in around 5 hours at 60A. For solar energy enthusiasts, our combination of a solar panel and MPPT (Maximum Power Point Tracking) can harness energy in just 2 sunny days at 600W. Additionally, an alternator paired with a DC-DC charger charges in about 5 hours, while a generator with an AC-DC charger operates at 14.6V, providing flexible charging options.

4 charging ways of of litime 12v 300ah lithium battery

Adventure with LiTime 12V 300Ah LiFePO4 Battery

Your ultimate companion for adventure and energy solutions across various applications. Perfect for RV enthusiasts, this battery provides reliable power for long trips and off-grid living. For marine adventures, it ensures your boat runs smoothly with consistent energy. Heavy-duty truck operators can benefit from its robust performance, making it ideal for demanding tasks. Additionally, the battery is perfect for home storage, allowing you to harness solar energy and maintain power during outages. Experience versatility and reliability with the LiTime 12V 300Ah battery, designed to enhance your adventures and energy management needs.

Reliable LiTime Services

Our energy solutions are backed by rigorous testing and certified for excellence, ensuring top-quality performance and safety. With a service life of over 10 years, these products are designed for longevity and reliability. We offer a generous 5-year warranty, providing peace of mind and support for your investment. Plus, enjoy the convenience of free shipping from our local warehouse, coupled with 24-hour service to assist you whenever needed. Experience unmatched quality and customer care with our trusted energy solutions.

Trusted Power for Every Journey

SPECS

BATTERY

Cell Type：

LiFePO4 Prismatic

Warranty：

5 Years

Cycle Life：

4000 cycles at 100% DOD, 6000 cycles at 80% DOD, 15,000 cycles at 60% DOD

Nominal Voltage：

12.8V

Rated Capacity：

300Ah

Energy：

3840Wh

Max. Expansion (Parallel & Series)：

4P4S

Internal Resistance：

≤40mΩ

Certifications：

UL, FCC, CE, RoHS, UN38.3

BMS

BMS：

200A

Max. Continuous Output Power：

2560W

Max. Continuous Charge Current：

200A

Max. Continuous Discharge Current：

200A

Max. Discharge Current 5 Seconds：

400A

CHARGE

Charge Method：

CC/CV

Charge Voltage：

14.4V ± 0.2V

Recommend Charge Current：

60A (0.2C)

TEMPERATURE

Charge Temperature：

0℃ to 50℃ / 32℉ to 122℉

Discharge Temperature：

-20℃ to 60℃ / -4℉ to 140℉

Storage Temperature：

-10℃ to 50℃ / 14℉ to 122℉

OTHERS

Terminals：

M8 bolts

Weight Approx.：

64.15 lbs

Size：

L20.55*W9.45*H8.58 inch

Housing Material：

ABS

Protection Class：

IP65

FAQ

Are LiTime 12V 300Ah LiFePO4 batteries safe?

Yes. LiFePO4 is an inherently safe chemistry and the most stable lithium-type battery on the market. LiTime lithium cells are UL certified for the highest safety and sustainability standards.

All LiTime LiFePO4 batteries come with an internal Battery Management System which protects against under-voltage during discharge, over-voltage during charge, over-current during discharge, over-temperature during charge and discharge, and short-circuit protection – protects battery cells from damage. Additionally, LiTime LiFePO4 Lithium batteries have been tested to be free from the risk of fire, and electric shock in harsh environments.

Can I use LiTime LiFePO4 Lithium batteries as starting batteries?

No. LiTime 12V 300Ah LiFePO4 lithium batteries are not intended to be used as starting batteries but energy storage, please do not use them to start any devices.

For more information to tell the differeces among these 2 types batteries, read on our blog Deep Cycle VS Starting Battery.

Visit LiTime Marine Starting Batteries for starting use.

Can I charge LiTime LiFePO4 lithium batteries with solar panels?

Yes, you can charge LiTime LiFePO4 lithium batteries with solar panels. Here are 3 recommended ways to charge LiFePO4 lithium batteries.

1. Using Solar Panels

The LiTime 12V 300Ah battery can be fully charged by in one day (with effective sunshine 4.5hrs/day) by 1200W solar panels. It may take more than one day to fully charge the battery by ≥1200W solar panels since the duration and intensity of light would be a great factor for their charging efficiency.

2. Generator/Alternator

If the alternator or generator supports DC output, a DC-to-DC charger is needed to connect the battery to the generator; if your alternator or generator supports AC output, please add a suitable battery charger to connect the battery and the generator according to our recommendations.

The Recommended Charging Voltage: 14.2V - 14.6V. The Recommended Charging Current: ① 60A (0.2C): the battery will be fully charged in around 5 hrs to 100% capacity; ② 150A (0.5C): the battery will be fully charged in around 2 hrs to around 97% capacity.

3. LiFePO4 Smart Chargers

To charge 12V battery, it is recommended to use 14.6V battery charger.

The Recommended Charging Voltage: 14.2V - 14.6V.

The Recommended Charging Current: ① 60A (0.2C): the battery will be fully charged in around 5 hrs to 100% capacity; ② 150A (0.5C): the battery will be fully charged in around 2 hrs to around 97% capacity.

Can I charge LiTime 12V 300Ah LiFePO4 lithium batteries in cold weather (under freezing temperatures)?

LiFePO4 lithium batteries can safely charge between 0℃ to 50℃ / 32℉ to 122℉. LiTime Cold Weather Batteries include low-temperature charging protection which will automatically cut the battery charging off when the cell temperature is lower than 32℉, thus preventing the battery cells from damage when charging under the freezing point.

Recommended reading on LiFePO4 Temperature Range Guide for more information on safe usage and performance.

Can LiTime 12V 300Ah battery be used in series to build a 48-volt system？

Yes. LiTime 12V deep cycle lithium batteries can be connected 4 in series to create a 48V battery system.

Note: To connect in series or in parallel, batteries should meet the below conditions:

a. identical batteries with the same battery capacity (Ah) and BMS (A)

b. from the same brand (as lithium battery from different brands has their special BMS);

c. purchased in near time (within one month).

How do I store LiTime LiFePO4 lithium batteries?

It is recommended to store LiTime LiFePO4 batteries at 50% state of charge (SOC). If the batteries are stored for long periods, recharge the batteries at least every 3 months. Recommended storage environment: 10℃～35℃ (50℉～95℉），45%RH～75％RH

REVIEWS

Amazing Battery

Purchased this for my off grid desert property and it works perfectly running all my lights fridge and internet satellite system great product!

Game Changer

Going from 2 100Ah AGM batteries to one 300Ah LiFePO4 completely changes the RV experience. Not just for a few days boondocking but in so many other ways while on the road and even putting the rig into storage.

Capacity as advertised

Finally got around to getting a load tester and after fully charging the 300ah battery (now 6 months old w/daily discharge cycles), it came in at 297.5ah from the test, so capacity as advertised and looks to be holding its own.

Battery Works As Advertised

The battery works great with my off-grid solar power system. It has plenty of power and when I can afford it, I will purchase a second one to double my power storage.

Great battery! Great value

I recently purchased the 12v 300ah battery to replace my two 12v 100ah batteries. I can say it was an easy transition after I built out the platform to secure it. I just connected the cables and it charged to a 100% in just a couple hours. I can now run substantially longer and I achieved my goal. I think this a great battery and it is priced aggressively. I will be purchasing a second soon. I highly recommend this product and this company.

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Why LiTime is Your Best Choice

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TOP 1 LiFePO4 Brand

As the #1 LiFePO4 battery brand, LiTIme leads the market with the most complete power solutions—covering RVs, home storage, marine, golf carts, off-grid systems, and beyond.

15-Year Expertise

With 15 years of industry experience, LiTime serves over 350,000+ users globally, ensuring quality and trust. LiTime keeps innovating and has your back, always.

24/7 Expert Support

With 24/7 expert support and an average 24-hour response time, we ensure you get the help you need, anytime. Whether it's pre-sales or after-sales, we guarantee 100% support every step of the way.

Expert-Backed Quality

LiTime is certified by top organizations like RVDA, backed by over 70+ patents and recognized for quality. Let authorities and patents prove why LiTime leads the way.

Industry-Leading Tech

With EV-grade cells passing 80+ tests and a self-developed BMS with under 1% margin of error, LiTime batteries ensure 15,000 cycles, 20+ protections, and up to 10 years of reliable performance.

icon shows litime batteries multiple features

Cutting-Edge Features

LiTime batteries offer a range of advanced features, including Bluetooth, low-temperature protection, self-heating, high-rate discharge, pre-charging, ensuring reliable power and peace of mind in any environment.

User-Driven Power Stories

See how LiTime batteries are changing the way real users power their lives.

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User Insights

litime lithium golf cart battery customer review: a red golf cart sits on grass

Matt Elliott

The weight difference was incredible. One 6v Battery weighed 63 lbs. this battery 38 lbs!

litime customer feedback of using lithium trolling motor battery in kayak

Reel in Florida

I think the mini is the real star of the show. 100ah in this small a package is perfect for kayaks and other small craft.

Patrick Dwivedi

I love the lighter weight of the battery. I no longer need to call on my trusty neighbors to help me install the battery inside my VW Bus.

Paul Muller

Shipping was extremely fast ( received within two days after placing order). Batteries work like a charm for our camper.

[KellG]

For the performance & reliability, I do recommend this battery

A LiTime 51.2V 100Ah battery is placed on carpet, showcasing its features alongside a tennis ball for scale, in a customer review

Dan M

The amount of power that this battery can instantly dump into the cart is awesome.

Eric Anderson

Used my new LiTime 12v 200a batteries for the first time this weekend. Couldn’t be happier!

litime customer feedback of using the battery powering fish finders

mtkeane

I would say that not only are the products great, but so is the customer service.

Greg Sapp

Very impressed with the quality and the documentation provided by LiTime.

customer review of litime lithium 12v 140ah dual purpose marine battery

Reel in Florida

The best upgrade you can make!

Artie H

Li Time US , Great customer support services

litime customer feedback of a man holding a 12v 140ah group 31 battery showing his satisfaction

Andrew Martin

This charger is a beast! Pleasantly surprised so far with LiTime products.

litime lithium golf cart battery customer review: A person stands by the golf cart

John D. Hollingsworth, Jr.

After many months of debate, I finally bit the bullet and rebuilt my Stealth 4x4 cart with the new batteries.

Customer

So far for my golf cart it's been a great battery I got the 10amp charger also no problems.

Eve Ford

Great customer service! The batteries ran our solar system on our camper with no problem.

Klaus Feldmeier

The replacement was straight forward - the new LiTimes batteries are nearly 50% lighter than the lead acid batteries.

Scott Winebarger

No complaints yet, still building my system, so far, I am impressed

[Timothy Vaughan] Vaughan

Already had my 100ah trolling motor battery out several times and it’s delivered in spades. Very happy with my purchase!

John Hogan

Though I had to reconfigure the base of the robot, I have more than enough battery capacity to run for hours.

Perry Mahnke

It's amazing how much lighter the LiTime Mini batteries are, the conversion was easy, and the fit & finish on the LiTime Minis is great.

Anthony Carita

Love how light this battery is. My mower lost about 100 Lbs of weight. The battery has a nice case and looks top quality.

Rob D.

Great Products. Really Great Support.

Matt Elliott

The weight difference was incredible. One 6v Battery weighed 63 lbs. this battery 38 lbs!

Reel in Florida

I think the mini is the real star of the show. 100ah in this small a package is perfect for kayaks and other small craft.

Patrick Dwivedi

I love the lighter weight of the battery. I no longer need to call on my trusty neighbors to help me install the battery inside my VW Bus.

Paul Muller

Shipping was extremely fast ( received within two days after placing order). Batteries work like a charm for our camper.

[KellG]

For the performance & reliability, I do recommend this battery

Dan M

The amount of power that this battery can instantly dump into the cart is awesome.

Eric Anderson

Used my new LiTime 12v 200a batteries for the first time this weekend. Couldn’t be happier!

mtkeane

I would say that not only are the products great, but so is the customer service.

Greg Sapp

Very impressed with the quality and the documentation provided by LiTime.

Reel in Florida

The best upgrade you can make!

Artie H

Li Time US , Great customer support services

Andrew Martin

This charger is a beast! Pleasantly surprised so far with LiTime products.

John D. Hollingsworth, Jr.

After many months of debate, I finally bit the bullet and rebuilt my Stealth 4x4 cart with the new batteries.

Customer

So far for my golf cart it's been a great battery I got the 10amp charger also no problems.

Eve Ford

Great customer service! The batteries ran our solar system on our camper with no problem.

Klaus Feldmeier

The replacement was straight forward - the new LiTimes batteries are nearly 50% lighter than the lead acid batteries.

Scott Winebarger

No complaints yet, still building my system, so far, I am impressed

[Timothy Vaughan] Vaughan

Already had my 100ah trolling motor battery out several times and it’s delivered in spades. Very happy with my purchase!

John Hogan

Though I had to reconfigure the base of the robot, I have more than enough battery capacity to run for hours.

Perry Mahnke

It's amazing how much lighter the LiTime Mini batteries are, the conversion was easy, and the fit & finish on the LiTime Minis is great.

Anthony Carita

Love how light this battery is. My mower lost about 100 Lbs of weight. The battery has a nice case and looks top quality.

Rob D.

Great Products. Really Great Support.

Power You Can Trust, Backed By Experts

The Power Behind Experts, Adventures, And The World’s Best

Media

Association

"Globally trusted, LiTime’s innovation in energy solutions sets a new industry standard."

"LiTime combines cutting-edge technology with unmatched reliability, powering users' lives worldwide."

"LiTime’s LiFePO4 batteries provide outstanding performance, making it the top choice for customers."

"LiTime delivers powerful, reliable, and sustainable energy solutions tailored to meet every need."

"LiTime’s customer-centric approach drives the development of unparalleled energy solutions."

"LiTime's energy solutions combine advanced R&D with real-world user insights for unmatched reliability."

"With extensive research backing it, LiTime’s products are engineered for superior quality and durability."

"Renowned for its exceptional battery technology, LiTime is a trusted leader in energy innovation."

"The world trusts LiTime for innovative and dependable energy solutions, powering homes and businesses."

"LiTime's global reputation for excellence is built on performance, reliability, and cutting-edge technology."

"LiTime’s LiFePO4 batteries are the perfect fusion of innovation and reliability for every user."

"LiTime’s commitment to research ensures their products remain at the forefront of energy solutions."

"LiTime's power solutions are trusted by users globally, offering unmatched performance and longevity."

"LiTime’s success stems from combining groundbreaking technology with a deep understanding of customer needs."

"LiTime pioneers the future of energy with innovation, reliability, and sustainability."

LiTime batteries are installed to ABYC E-13 standards, fully compliant with lithium battery requirements.

Powering passion on the water – as a member of IGFA.

Proud Member of GCSAA – Trusted by golf course professionals nationwide.

Member of RVDA – Serving the RV Industry with advanced lithium power.

Powering the RV lifestyle with Escapees-backed lithium technology.

Official FMCA commercial member delivering trusted power for motorhome owners.

Supporting professional anglers and sustainable fishing through the National Professional Anglers Association.

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LiTime 12V 300Ah LiFePO4 Lithium Battery for RV

Features

LiTime One-Stop Power Station

Outstanding Features of LiTime 12V 300Ah Battery

Built to Last with EV-Grade Cells

200A BMS Protection

Lighter, More Usable Energy, More Space Saving

Build 51.2V 1200Ah Battery Bacnk for 64.44 KWh Usable Energy

Power Your RV Travel with 3840Wh of Reliable Energy

4 Ways to Charge

Adventure with LiTime 12V 300Ah LiFePO4 Battery

Reliable LiTime Services

Trusted Power for Every Journey

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Why LiTime is Your Best Choice

TOP 1 LiFePO4 Brand

15-Year Expertise

24/7 Expert Support

Expert-Backed Quality

Industry-Leading Tech

Cutting-Edge Features

User-Driven Power Stories

Power You Can Trust, Backed By Experts

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