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✅Used✅LiTime 12V 300Ah Lithium Battery

C$896.09

C$1,599.99

- 43.99 %

The like-new batteries were purchased by customers who mistakenly bought the wrong capacity or incompatible batteries for their applications. We assure you that our batteries are thoroughly checked and tested before delivery ( only a few have minor scratches on the surface). Our like-new batteries come with a 5-year warranty, while our used-very good batteries have a 5-year warranty.

Grade A Automotive Cells & UL Certified 200A BMS LiTime's 12V 300Ah lithium ion battery features Grade A Automotive LiFePO4 cells and a UL-certified 200A BMS, ensuring top-tier safety, energy density, power, and stability. Count on our battery for reliable, long-lasting power with minimal self-discharge and robust protection against overcharge, over-discharge, over-current, and short circuits.

Scalable Capacity & Energy Upgrade your power supply with our LiFePO4 Battery, offering 3840Wh energy and supporting 2560W load power. Ideal for solar homes, off-grid systems, RV campers, and emergency backup power. Connect up to 4 batteries in parallel & 4 in series for a massive 40.96kW capacity and 61.44kWh energy (4P4S) – ample power for all your devices and appliances.

Cost-Efficient & Longevity With a lifespan of up to 10 years and 4000-15000 cycles, our 12V 300Ah LiFePO4 battery produces a total of 15360kWh energy (3840Wh x 4000 cycles = 15360kWh), providing 50% power savings compared to utility power. Simple installation and reliable performance offer clean energy and cost savings.

Lightweight & High Energy Density LiTime 12V 300Ah battery weighs only 1/3 of a comparable lead-acid battery with the same capacity, and boasts an impressive energy density of 61.14Wh/lb (3840Wh / 62.8lb = 61.14Wh/lb), nearly twice as much as comparable lead-acid batteries.

Reliable & Responsive Service LiTime ensures fast delivery from local warehouses in Los Angeles or Dallas, along with exceptional customer service, including quick feedback within 24 hours and accessible operation manuals and online support.

DO NOT use as Starter Battery If you need a starting battery, please consider LiTime 12V marine starting batteries series.

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C$896.09

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- 43.99 %

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12V 300Ah

C$896.09

C$1,599.99

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FEATURES

SPECS

FAQ

REVIEWS

LiTime 12V 300Ah LiFePO4 Lithium Battery deep cycles

LiTime 12V 300Ah LiFePO4 Lithium Battery superior bms

LiTime 12V 300Ah LiFePO4 Lithium Battery 3 charger methods

LiTime 12V 300Ah LiFePO4 Lithium Battery applications

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：

14.4V ± 0.2V

Discharge Temperature：

0℃ to 50℃ / 32℉ to 122℉

Storage Temperature：

-20℃ to 60℃ / -4℉ to 140℉

Low-Temperature Protection：

N/A

Low-Temperature Charging Protection Auto Recovery：

N/A

SELF-HEATING

Heating Temperature：

N/A

Approx. Heating Time：

N/A

Required Minimum Charge Current for Heating Function：

N/A

OTHERS

Terminals：

M8 bolts

Weight Approx.：

64.15lbs

Size：

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

Housing Material：

ABS (Flame Retardant Plastic)

Protection Class：

IP65

Are LiTime 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 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.

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.

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

LiFePO4 lithium batteries can safely charge between 32°F to 113°F (0°C to 45°C). LiTime 12V 100Ah TM & 230Ah LiFePO4 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.

Can this battery be used in series to build a 48-volt system？

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

Note: DO NOT connect batteries with different chemistries in sereis or parallel.

How many LiTime 12V 300Ah lithium Batteries can I connect at most?

He 12V sereis batteries support versatile connections, including series, parallel, and series-parallel
connection. You can connect 12V 300Ah up to 4 batteries in series, 4 in parallel, or 16 in the series-parallel connection to create 40.96kW capacity and 61.44kWh energy.

Batteries of the same model and similar capacity are required.

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, cycle the batteries at least every 3 months. Recommended storage environment: 10℃～35℃ (50℉～95℉），45%RH～75％RH

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Why LiTime is Your Best Choice

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.

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.

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.

Expert-Backed Quality

LiTime is backed by over 70+ patents and recognized for quality. Let authorities and patents prove why LiTime leads the way.

Trusted by Users Worldwide

Powering the World, Trusted by All

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User Insights

Hamjazz

I’ve been using the battery primarily as an emergency power backup at home — it gives me peace of mind knowing I’ve got reliable energy if the grid goes down.

Fish Big

The lightweight design is a game-changer for someone like me, who spends a lot of time outdoors. I use this battery regularly to power all my electronics during trips, and it has never let me down.

Esther Snow

Drop in for our travel trailer Great addition to our travel trailer. Now we can spend endless time at a remote campsite without worrying we will run out of power.

James

Omg awesome! Things are looking great so far. With all the great reviews on the web. I’m feeling pretty good about the two 200 AH batteries I bought. Thank you for a great product

Allan

Fairly light weight at 80 lbs. Only took about a day to fully charge with solar panels, and it runs my 3000 W inverter with no issues. 400ah is well worth getting instead of 4-100ah batteries connected together due to less wiring and possible loose connections. Highly recommend.

Donald L Anderson

Installed 2 100ah batteries in boat as my house bank with the Litime DC to DC 40amp charger to protect alternator. I have to say very happy with everything.

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