Name: Power Queen 12V 125Ah Group27 Smart Deep Cycle Lithium Battery
Brand: Power Queen US
SKU: P12V125-100-GROUP27-BT-4-A90
Price: 289.99 USD
Availability: InStock

Power Queen 12V 125Ah Group27 Smart Deep Cycle Lithium Battery

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Power Queen 12V 125Ah Group27 Smart Deep Cycle Lithium Battery

Universal Group27 Fit, Longer Runtime for RV, Marine & Off-Grid Use

Group 27 Compatibility：Designed in BCI Group 27 size (12.13×6.69×8.31 inches).Perfect fit for RV battery compartments, including 2024 Brinkley Z 2900, Thor Four Winds 22E, and Forest River Forester.

Extended Runtime：Delivers 320Wh more energy than a 12V 100Ah LiFePO₄ battery.Runs a 10W light 32 hours longer.Ideal for trolling motors, marine, camping, solar systems, home energy storage, and off-grid living.

Bluetooth 5.0 Real-Time Monitoring：Built-in Bluetooth 5.0 with scannable QR code for easy app access.Monitor SOC, voltage, current, power,temperature, charge/discharge status, low-battery alerts, and protection states.

Remote Control Within 10 Meters：Supports wireless discharge and power-off via app.Gain total control and eliminate power anxiety.

125Ah High-Capacity Design：Delivers 1600Wh usable energy in a compact Group 27 form factor.More power, same size—maximize energy without increasing space.

Advanced Self-Developed BMS：Features a high-precision Battery Management System with 20+ protections.Covers overcharge, over-discharge, overcurrent, short circuit, and more.

Low-Temperature Protection：Charging disabled below 32°F; discharging disabled below -4°F.Ensures safe operation even in extreme winter conditions.

Pre-Charge & Auto Recovery：Built-in pre-charge function supports full inverter compatibility.Overload protection auto-recovers in just 30 seconds.

EV-Grade LiFePO₄ Cells：Built with automotive-grade, eco-friendly lithium cells.Up to 15,000 cycles and a 10-year lifespan.

Cost-Effective Lead-Acid Replacement：Energy equivalent to 2.6× 12V 100Ah lead-acid batteries.Lasts far longer than traditional batteries (200–500 cycles, 2–3 years).

Certified Quality & Factory Control：Manufactured in Power Queen’s own factory with full lifecycle quality management.Certified to FCC, CE, RoHS, UN38.3 standards.UL-1973 tested and ABYC E-13 compliant.

Traceable & Guaranteed：Each unit has a unique serial code.Backed by a 5-year hassle-free warranty.

U.S. Warehousing & 24/7 Support：12 local U.S. warehouses enable fast, inventory-based delivery.24/7 service available for product inquiries, tech support, and after-sales care.

Size

1 Pack
1 Pack+14.6V 20A Charger
2 Pack ($287/ EACH)
4 Pack ($284/ EACH)

$369.99$289.99

Free shipping in the US

3-7 working days in the US

Easy return & exchange

Not satisfied? We offer a hassle-free 30-day return and exchange policy.

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FEATURES
SPECS
FAQ
REVIEWS

Smarter Power in Every Detail

Power Queen 12V 125Ah battery features 1600Wh capacity, Bluetooth 5.0 monitoring, a self-developed 100A BMS, and low-temp cut-off—all packed into a compact Group 27 size. Designed for reliable performance in any environment.

Smaller Size, Greater Energy with Power Queen

Delivering 1.25× the energy of typical 100Ah batteries, Power Queen 12V 125Ah fits a compact Group 27 size while offering 1600Wh capacity and higher energy density—ideal for saving space without sacrificing power.

1600Wh Capacity to Power Your Essentials Anywhere

Power Queen 12V 125Ah battery delivers 1600Wh of energy, enough to run essential devices like lights, fans, a fridge, and a TV—perfect for RV life, camping, or off-grid living.

Bluetooth 5.0 Control with Real-Time Insights

With Power Queen’s Bluetooth 5.0, monitor battery status and control key functions remotely from your phone—wherever your adventure takes you.

Smarter BMS, Safer Power

Equipped with a self-developed 100A BMS, Power Queen batteries deliver precise, reliable protection with 20+ safety features, pre-charge support, and auto-recovery—all built to perform in demanding environments.

Reliable Cold-Weather Protection

Power Queen 12V 125Ah battery features intelligent low-temp cut-off to prevent charging below 32°F (0°C) and discharging below -4°F (-20°C), ensuring safe operation in freezing conditions.

Reliable Power for All Trolling Motors

Power Queen 12V 125Ah LiFePO₄ battery supports 12V, 24V, and 36V trolling motor systems with long-lasting performance across speed levels.

Twice the Power, One-Third the Weight

Power Queen 12V 125Ah LiFePO₄ delivers 1600Wh energy, up to 15,000 cycles, and weighs just 25 lbs—making it a smarter, longer-lasting replacement for bulky 125Ah lead-acid batteries.

One Battery, Endless Possibilities

Power Queen 12V 125Ah fits a wide range of applications—whether you're on the road, off the grid, or on the water, it's built to power every lifestyle.

Trust Power Queen for Proven Quality

From our own factory and certified products to fast U.S. delivery, 5-year warranty, and 24/7 support—Power Queen is built for long-term peace of mind.

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：

125Ah

Energy：

1,600

Max. Expansion (Parallel & Series)：

4P4S

Internal Resistance：

≤40mΩ

Certifications：

UL-1973,FCC,CE,RoHS,UN38.3,FCC ID

BMS

BMS：

125A

Max. Continuous Output Power：

1,600W

Max. Continuous Charge Current：

125A

Max. Continuous Discharge Current：

125A

CHARGE

Charge Method：

CC/CV

Charge Voltage：

14.4V ± 0.2V

Recommend Charge Current：

20A (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℉

Low-Temperature Protection：

√

Low-Temperature Charging Protection Auto Recovery：

Yes (41℉/5℃)

OTHERS

Terminals：

M8 bolts

Weight Approx.：

25.12 lbs

Size：

12.13×6.69×8.31 in

Housing Material：

ABS

Protection Class：

IP65

FAQ

Q: What are the advantages of Power Queen Lithium RV Batteries?

Long Lasting

Lithium RV batteries outlast lead-acid batteries, commonly by 2-4 times, with some claims claiming up to ten times. They may be discharged beyond 80% charge, whereas lead-acid batteries cannot be discharged below 50% without harm.

Our lithium RV batteries are rated for 4,000 cycles at 100% depth of discharge (DOD), which might last more than ten years or perhaps fifty years with 100 cycles per year. Even after 4,000 cycles, they retain 70% of their rated capacity. Lead-acid batteries, on the other hand, typically endure about 400 cycles and 2-6 years before needing to be replaced due to poor maintenance.

Less Weight

Weight can be an important component. For example, a 300 Ah lead-acid battery bank can weigh more than 400 lbs, surpassing your towing vehicle's hitch weight capacity. In comparison, Power Queen lithium RV batteries weigh roughly one-third as much. A lithium battery with 300 Ah useable capacity weighs about 65 pounds, giving you more room for additional devices.

Faster Charging

Lithium (LiFePO4) RV batteries charge 4 to 6 times faster than lead-acid batteries due to their higher charge current capabilities. They also have a built-in battery management system that prevents overcharging.

More Efficient Charging

Charging a lead-acid battery bank as quickly as a comparable sized lithium battery necessitates a larger and more expensive solar installation. LiFePO4 batteries have a charging efficiency of 99%, but lead-acid batteries only achieve 85%.

No Maintenance Required

Lead-acid batteries require continual maintenance, such as cleaning, corrosion removal, and electrolyte replenishment. This can be inconvenient for many RV owners. However, lithium RV batteries do not require any maintenance, making them a convenient solution.

No Fumes or Ventilation

Lead-acid batteries emit poisonous fumes and must be stored in ventilated compartments. Our lithium RV batteries, on the other hand, can be kept almost anywhere because they produce no hazardous fumes.

Compact Size

Power Queen lithium RV batteries weigh less and take up less space. If you need to pack your battery bank into a compact container, lithium may be the best option.

Monitor the Status of Your Battery

Have you ever wished you could simply check the health of your battery? The Power Queen Batteries Bluetooth app displays real-time information on your battery's voltage, current, temperature, and charging status. You can even track the state of each cell, reducing guessing with exact information right at your fingertips.

Q: How to charge Power Queen 12V 125Ah Group27 Bluetooth lithium batteries?

(1) Using Solar Panels

The battery can be fully charged in one day (with effective sunshine 4.5 hrs/day) by 500W solar panels. It may take more than one day to fully charge the battery by ≥500W 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 25A (0.2C): the battery will be fully charged in around 5 hrs to 100% capacity;

② 62.5A (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 25A (0.2C): the battery will be fully charged in around 5 hrs to 100% capacity; ② 62.5A (0.5C): the battery will be fully charged in around 2 hrs to around 97% capacity.

Q: What are the Differences Between a Group 27 and Group 31 Battery?

The biggest difference between Power Queen Group 27 and Group 31 batteries is their physical size. Group 27 batteries (12.13*6.69*8.31 inches) are smaller than Group 31 batteries (13*6.77*8.43 inches) and are compatible with Group 27-31 battery cases.

Its small size makes it ideal for most RV models, like the 2024 Brinkley Model Z 2900, Thor Four Winds 22E, and Forest River Forester, among others. With 10% more energy density than the Group 31 battery of the same capacity, it provides the same power in a smaller package, reducing the burden on the RV and making it easier to transport and travel.

Q: How can I monitor the state of Power Queen 12V 125Ah Group27 Smart Deep Cycle Lithium Battery?

The Power Queen 12V 125Ah Li-Iron Phosphate battery integrates advanced Bluetooth 5.0 technology. By scanning the QR code on the top of the battery, you can view the battery data and status in real time via Bluetooth app, including SOC, voltage, current, power, temperature, low battery alert, charging/discharging status, protection status and more.

Q: How many batteries can I connect in series or parallel?

The 12V Group 27 lithium battery allows for a maximum of four connections in series and four in parallel. Allows you to build a maximum battery system of 16 battery units with a maximum capacity of 25.6 kWh.

Note: To connect in series or parallel, batteries must meet the following parameters.

① Identical batteries having the same capacity (Ah) and BMS (A).

② From the same brand (since lithium batteries from various brands have their own BMS).

③ Bought within a month.

Q: What to do when receive the Power Queen Group 27 battery?

Please charge the Bluetooth battery first after receiving it. This guarantees that the battery may be turned on and a Bluetooth connection is established. Our Bluetooth batteries are sent in an off state, with the virtual voltage of the battery terminal ranging from 3V to 5V, this is a frequent occurrence. Merely charge the battery with an AC-DC charger or MPPT, then turn it on to use it regularly.

If you want to store the battery for a lengthy period of time without using it, we recommend charging it to 50% SOC and doing maintenance every three months. These methods will help it work and perform well in the long run.

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12V 125Ah Group27 Smart

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