Name: Power Queen 12V 300Ah Deep Cycle Lithium Battery
Brand: Power Queen
SKU: P12V300-200-Basic-4-A200
Price: 569.99 USD
Availability: InStock

Power Queen 12V 300Ah Deep Cycle Lithium Battery

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Power Queen 12V 300Ah Lithium Battery: Ready for Any Challenge

We are excited to introduce our Power Queen 12V 300Ah lithium battery, designed for reliable power storage across various applications. Ideal for home storage, RVs, marine, off-grid systems, UPS, and trolling motors, this robust battery ensures long-lasting performance and security in all conditions.

Power Queen 12V 300Ah Deep Cycle Lithium Battery necessary power for living off grid

Advanced Self-Developed BMS for Optimal Safety

The Power Queen 12V 300Ah battery comes with a reinforced 200A BMS for optimal performance and protection. It offers over 20 safety features, including protections against overcharging, over-discharging, over-current, short circuits, high temperatures. A 30-second self-recovery feature also ensures long-term reliability.

support up to 4P4S powerful 61.44kWh home energy storage solutions

Superior to Lead-Acid Batteries

Power Queen 12V 300Ah lithium battery offers double the energy capacity of traditional lead-acid batteries. Compared to a 12V 300Ah lead-acid battery, Power Queen’s lithium battery is 1/3 lighter and provides 2X the energy density.

Power Queen 12V 300Ah Lithium Battery vs 12V 300Ah lead-acid battery

Power Queen 12V 300Ah Deep Cycle Lithium Battery with premium BMS EV-grade battery cells

Unlock Powerful Energy with 3840Wh Capacity

Power Queen 12V 300Ah batteries support a max 4S4P connection to reach up to 61.44kWh usable energy, which could be widely used for home solar systems, emergency backup power systems, and RV trips.

the application scenarios of Power Queen 12V 300Ah Deep Cycle Lithium Battery

the best replacement to lead-acid battries for rvs

Power Queen 12V 300Ah Deep Cycle Lithium Battery packages

Efficient Charging with 4 Options

Power Queen 12V 300Ah lithium battery charges faster and more efficiently than lead-acid alternatives. With 4 charging options—LiFePO4 chargers, solar panels, and generators—this battery offers flexibility and convenience for all your charging needs.

Certified for Quality and Safety

The Power Queen 12V 300Ah battery undergoes rigorous testing and is certified by UL, FCC, CE, RoHS, and UN38.3. Every unit passes strict performance and safety standards, ensuring that you receive a top-quality product.

Exceptional Customer Service

Our customer support team is ready to assist you with professional technical help, easy-to-understand manuals, phone support, and quick 24-hour online feedback. We ensure a smooth and enjoyable experience for all our customers.

SPECS

BATTERY

Cell Type：

LiFePO4

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.：

M8 bolts

Size：

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

Housing Material：

ABS

Protection Class：

ABS

FAQ

Q: Are Power Queen LiFePO4 batteries safe?

Yes, LiFePO4 is an inherently safe chemistry and is considered the most stable lithium battery type on the market. Power Queen lithium cells are UL certified, meeting the highest standards for safety and sustainability. Each Power Queen LiFePO4 battery comes equipped with an internal Battery Management System (BMS) that offers protection against under-voltage during discharge, over-voltage during charge, over-current during discharge, over-temperature during both charge and discharge, and short circuits, safeguarding the battery cells. Additionally, Power Queen LiFePO4 lithium batteries have been rigorously tested to ensure they are free from the risk of fire and electric shock, even in harsh environments.

Q: Can I use Power Queen LiFePO4 lithium batteries as starting batteries?

No, Power Queen LiFePO4 lithium batteries are specifically designed for energy storage and are not suitable for use as starting batteries. Avoid using them to start any devices.

For more information, explore the differences between Deep Cycle and Starting Batteries.

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

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

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

1. Batteries must be similar in terms of capacity (Ah) and BMS (A).

2. Batteries from the same brand are preferred, as different brands have unique BMS.

3. Batteries should be purchased within a month.

Q: How many Power Queen 12V 300Ah lithium Batteries can I connect at most?

The 12V series batteries offer flexible connection options, including series, parallel, and series-parallel configurations. You can connect up to four 12V 300Ah batteries in series, four in parallel, or up to sixteen in a series-parallel setup, achieving a total capacity of 40.96 kW and 61.44 kWh of energy.

Ensure that batteries of the same model and similar capacity are used for these configurations.

Q: How do I store Power Queen LiFePO4 lithium batteries?

It is recommended to store Power Queen LiFePO4 batteries at 50% state of charge (SOC). If the batteries are stored for long periods, cycle the batteries at least every 6 months. Recommended storage environment: 10℃～35℃ (50℉～95℉), 45%RH～75％RH.

Q: Can I charge Power Queen LiFePO4 lithium batteries with solar panels?

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

1. Using Solar Panels

The Power Queen 12V 300Ah lithium 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.

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