4th of 37 we've scored in LiFePO4 Batteries

Power Queen 24V 125Ah Smart Self-Heating LiFePO4 Battery

Name: Power Queen 24V 125Ah Smart Self-Heating LiFePO4 Battery
Brand: Power Queen
SKU: P24V125-125-HBT-8-A155

SVT Score, Top

6.1

Usability5.7/10Social6.5/10The SVT Score is placed on its category's range

Versus

5.7

SVT SCORESRead review

Power Queen’s 25.6 V, 125 Ah LiFePO4 trolling-motor battery with self-heating, Bluetooth, a 125 A BMS and an IP67 case.

$612

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SKU: P24V125-125-HBT-8-A155 Category: LiFePO4 Batteries Brand: Power Queen

Usability

5.7 out of 10

Capacity7.0

It stores 3,200 Wh, so it scores 7 on capacity.

Efficiency8.0

At 52.47 lb on Power Queen's spec table it holds 61.0 Wh per pound, so it scores 8 on efficiency.

Operating Range5.0

Power Queen rates its BMS at 125 A maximum continuous discharge, 1.0C on 125 Ah, with 625 A for 1 second, so it scores 5 on operating range.

Lifespan6.0

Power Queen rates it at 4,000 or more cycles at 100% depth of discharge and publishes no end-of-life capacity in its spec table or manual, so it drops one rung for the missing end point and scores 6 on lifespan.

Features7.0

It has self-heating below 41°F with charge current of at least 10 A, built-in Bluetooth 5.0 and an IP67 rating, but no CAN or RS485 port and only 2 in series, so it scores 7 on features.

Verification2.0

No certifier directory (Intertek, UL Product iQ, LabTest, TÜV SÜD or the CEC battery list) lists model EA-519C19D-24 under Power Queen or its trademark owner, and its page names only FCC, CE, RoHS, UN38.3 and an IC ID, none of them a safety listing, so it scores 2 on verification.

Warranty & Support6.0

Power Queen's warranty policy gives 24 V batteries of 25 Ah or more 5 years, with no proration stated, so it scores 6 on warranty and support.

Summary

Heated 24V trolling battery, IP67

The Power Queen 24V 125Ah Smart Self-Heating (EA-519C19D-24) is Power Queen's 25.6 V, 125 Ah LiFePO4 battery with self-heating and Bluetooth for 70 to 100 lb thrust 24 V trolling motors and other 24 V systems, in a 390 x 203 x 254 mm case.

Verdict

It suits an angler or camper who wants one heated 24 V battery with phone monitoring that can charge in freezing weather, and who will not need closed-loop inverter communication or a bank above 48 V. $611.99 at ipowerqueen.com.

Strengths

Self-heating with two modesset from the app
Built-in Bluetooth 5.0 with remote switching
IP67 rating
625 A for 1 second on a 125 A BMS
61.0 Wh per pound at 52.47 lb

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Drawbacks

Heating needs at least 10 A of charge currentor over 20% charge in Smart Warm-up mode
No end-of-life capacity published for the 4,000-cycle rating
Page says it cuts off discharging in freezing conditions while the spec table rates discharge to -4°F
No CAN or RS485 port
Only 2 in seriesso a 48 V bank is the limit

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Social score

6.5 out of 10

RedditBrand-level5.0 out of 10

Reddit owners report mixed results with Power Queen batteries. An r/overlanding owner said a 100 Ah stopped holding a charge after 15 months of light use and that Power Queen, though responsive, would not honor the warranty (2024), an r/batteries owner of a 12.8 V 100 Ah bought as a CPAP backup found its BMS tripped on a general-purpose lithium charger, with Power Queen pointing to its own 20 A charger (2024), and an r/SolarDIY owner of a 25.6 V 50 Ah said it arrived with the BMS shut off and had to be jump-started before its Bluetooth showed 99 percent charge (December 2024), while an r/LiFePO4 commenter called Power Queen decent for a trolling motor (2025).

Google7.0 out of 10

Liked

Looked solidly built on arrival
App shows full battery data in a layout the owner preferred
Compact enough to sit on the bow deck

Complaints

Arrived at 56 percent charge and needed topping off

On TinBoats.net, an owner who ordered the 24V 125Ah Bluetooth heated model as a compact second bank for a 24 V trolling motor reported that it arrived at 56 percent charge, looked as well built as the batteries he already ran, and that the Power Queen app showed all the data he wanted in a layout he preferred (June 2026).

YouTube6.0 out of 10

Liked

Kept working after about five minutes in water
Smaller than most 100 Ah 12 V and 24 V batteries
Runs a single-battery 24 V kayak setup

Complaints

Tight fit made it hard to lift out of the compartment

PXFishing, which thanks Power Queen on camera and gives a 6 percent discount code and a Power Queen referral link in its description, put the 24V 125Ah in water for about five minutes to show the IP67 sealing, noted it is smaller than most 100 Ah 12 V and 24 V batteries, fitted it to a kayak and called it an awesome battery so far, with a tested review still to come (May 2026, about 290 views).

AmazonBrand-level8.0 out of 10

Power Queen's Amazon US listings for its 12 V batteries, sold through its own Power Queen-US storefront, read 4.4 to 4.8 across nine listings with about 1,480 ratings between them, a weighted average near 4.55, from 4.4 on 339 ratings for the 12 V 100 Ah trolling-motor Group 31 to 4.8 on 227 for a 12 V 100 Ah Group 31 RV listing (October 2026).

User reviewsNot scored

The retailer pool is blank: Power Queen sells on Walmart as its own marketplace seller and the reviews on its listings are flagged Incentivized or reposted from ipowerqueen.com, and Home Depot, Lowe's, Best Buy, West Marine, Bass Pro, Cabela's, Camping World and Tractor Supply carry no Power Queen listing.

Trustpilot

Trustpilot rates ipowerqueen.com 4.6 from 214 reviews on a profile Power Queen claimed in May 2025, pays for and invites its customers to, with 81 percent five-star against 7 percent one-star (October 2026).

Track record

The BBB has no listing for Power Queen or ipowerqueen.com, searched in October 2026.
No CPSC or Health Canada recall names Power Queen, searched in October 2026.

Not countedExcluded

Not counted in any pool: ipowerqueen.com's own review widget, Power Queen's YouTube channel and Facebook pages, its affiliate and 'Get Sponsored' programs, or the HOBOTECH RECOMMENDED and JACOB KNOWLES RECOMMENDED badges on its store.

Summary

Brand-level

4.6 on Trustpilot, no BBB profile, no recalls

Specs

Capacity3,000-3,999 Wh
AC OutputNot applicable
System Voltage24 V
Panel PowerNot applicable
Charge CurrentNot applicable
Safety ListingNone verifiable
Cell TypeNot applicable
Low-Temp ChargingSelf-heating
Warranty5 Years
MonitoringBluetooth built in
Weight52.5 lb

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At a glance

M8 x 16 mm terminals
390 x 203 x 254 mm case
Socket wrench in the box
Kit with 500A monitor

Company

Power Queen is the brand of Shenzhen Lizu Time Technology Co., Ltd of Shenzhen, China, which holds its US battery trademark, while its privacy policy names Starrysea Co., Limited of Tsim Sha Tsui, Hong Kong, the company LiTime's contact page also names, and its own pages give no founding year.

Where it sells

It sells direct from ipowerqueen.com, which ships US orders from US warehouses, and through its own Amazon, Walmart and eBay stores, with separate stores for Canada, Germany, France and the UK.

Description

The Power Queen 24V 125Ah Smart Self-Heating (store SKU P24V125-125-HBT-8-A155, model number EA-519C19D-24) is a 25.6 V, 125 Ah (3,200 Wh) LiFePO4 trolling-motor and deep-cycle battery with a 125 A BMS: 125 A (1C) maximum continuous charge and discharge, 625 A (5C) for 1 second, 3,200 W maximum continuous output, 28.8 V ±0.4 V charge voltage and 25 A (0.2C) recommended charge current. Built in are Bluetooth 5.0 monitoring through the Power Queen app (state of charge, battery health, remaining time and remote switching), a low-temperature charge cut-off at 32°F (0°C) that resumes at 41°F (5°C), and self-heating below 41°F that needs at least 10 A of charge current, taking about 30 to 60 minutes from 14°F and 70 to 100 minutes from -4°F; the app adds a Smart Warm-up mode that heats from the battery's own charge above 20% state of charge. Power Queen rates it to charge from -4°F to 122°F (-20 to 50°C) with heating and discharge from -4°F to 140°F (-20 to 60°C), with internal resistance of 40 mΩ or less, M8 x 16 mm terminals, an ABS case and an IP67 rating. It measures 390 x 203 x 254 mm (15.35 x 7.99 x 10 in) and weighs 52.47 lb (23.8 kg). Power Queen allows up to 4 in parallel and 2 in series (4P2S), a 51.2 V, 500 Ah bank of 25.6 kWh. The box holds the battery, a user manual, two M8 x 16 mm terminal bolts, two insulating caps and a socket wrench. It sells as a 2-pack for $1,211.74, a 3-pack for $1,808.43 and a 4-pack for $2,399.00, with a 29.2 V 20 A charger for $716.48, and with the charger and a 500 A battery monitor for $804.82. Every product page shows an auto-applied 10% cart discount through October 14, 2026.