Power Queen 12V 320Ah Bluetooth LiFePO4 Battery
SVT Score, Mid
Power Queen’s 4,096 Wh, 12.8 V LiFePO4 battery with built-in Bluetooth, a 200 A BMS, an IP65 case and a low-temperature charge cut-off.
$733
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Usability
5.7 out of 10It stores 4,096 Wh, so it scores 9 on capacity.
At 57.17 lb on Power Queen's spec table it holds 71.6 Wh per pound, so it scores 10 on efficiency.
Power Queen rates its BMS at 200 A maximum continuous discharge, 0.63C on 320 Ah, with 1,000 A for 1 second, so it scores 1 on operating range.
Better on operating rangePower Queen 24V 125Ah Self-Heating BatteryPower Queen rates its BMS at 125 A maximum continuous discharge. $611.99Scores 5.0Power Queen rates it for 4,000 cycles at 100% depth of discharge and publishes no capacity left at end of life, so the count drops one rung and it scores 6 on lifespan.
It has built-in Bluetooth 5.0, a charge cut-off below 32°F (0°C), an IP65 case and banks of up to 4 in series and 4 in parallel, but no heating and no CAN or RS485 port, so it scores 6 on features.
No certifier directory (Intertek, UL Product iQ, LabTest, TÜV SÜD or the CEC battery list) lists model EA-140A28B-1C under Power Queen or its trademark owner, and its page names only FCC, CE, RoHS, UN38.3 and an FCC ID, none of them a safety listing, so it scores 2 on verification.
Power Queen's warranty policy gives 12 V batteries of 20 Ah or more 5 years, with no proration stated, matching the 5 years on its product page, so it scores 6 on warranty and support.
$733.32 at ipowerqueen.com.
Compact 320Ah with Bluetooth
The Power Queen 12V 320Ah Bluetooth (EA-140A28B-1C) is Power Queen's 12.8 V, 320 Ah LiFePO4 battery with Bluetooth monitoring for RV boondocking, off-grid cabins and home backup, in a 14.49 x 7.44 x 10.04 in case.
It suits a buyer who wants about 4 kWh in one compact case with phone monitoring for an RV that charges above freezing, and who will not need more than 2,560 W continuous from one battery or closed-loop inverter communication.
Strengths
- 4,096 Wh in one 12 V battery
- 71.6 Wh per pound at 57.17 lb
- Built-in Bluetooth 5.0 app monitoring
- 1,000 A for 1 second3.13C
- IP65 caseup to 4 in series and 4 in parallel
Drawbacks
- 200 A BMS is 0.63C on 320 Ahcapping loads at 2,560 W
- Weight 57.17 lb on the spec table52.47 lb in the FAQ
- No end-of-life capacity published for the 4,000-cycle rating
- Charging stops below 32°F0°C), with no self-heating
- No CAN or RS485 port for closed-loop inverter communication
Specs
- Capacity4,000-5,999 Wh
- AC OutputNot applicable
- System Voltage12 V
- Panel PowerNot applicable
- Charge CurrentNot applicable
- Safety ListingNone verifiable
- Cell TypeNot applicable
- Low-Temp ChargingLow-temperature cut-off
- Warranty5 Years
- MonitoringBluetooth built in
- Weight57.2 lb
At a glance
- 368 x 189 x 255 mm case
- M8 x 16 mm terminals
- 40A charger kit $912.76
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.
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.
The Power Queen 12V 320Ah Bluetooth (model EA-140A28B-1C, store SKU P12V320-200-BT-4-W190) is a 12.8 V, 320 Ah (4,096 Wh) LiFePO4 battery with a 200 A BMS: 200 A maximum continuous charge and discharge (0.63C), 2,560 W maximum continuous output, 1,000 A for 1 second (3.13C), 14.4 ±0.2 V charge voltage, 64 A (0.2C) recommended charge current and internal resistance of 40 mΩ or less. It charges from 32°F to 122°F (0 to 50°C) and discharges from -4°F to 140°F (-20 to 60°C); its BMS stops charging below 32°F (0°C) and resumes above 41°F (5°C). Built-in Bluetooth 5.0 reports state of charge and voltage to the Power Queen app. The IP65 ABS case measures 14.49 x 7.44 x 10.04 in (368 x 189 x 255 mm) and weighs 57.17 lb (25.93 kg) on the spec table, though the page's FAQ says 52.47 lb, with M8 x 16 mm terminals; Power Queen allows up to 4 in series and 4 in parallel, 65.5 kWh. Power Queen sells it with a 14.6V 40A charger for $912.76, and as a 2-pack for $1,451.98, a 3-pack for $2,166.97 and a 4-pack for $2,874.62. The store shows an auto-applied 10% cart discount through October 14, 2026.
Questions answered from our data
Is Power Queen good?We list 12 Power Queen products and score 12 of them. Their overall scores run from 4.6 to 6.1, with a median of 5.4, against a median of 5.5 for all 127 products we score.
How much does a LiFePO4 battery cost?The 37 LiFePO4 batteries we list run from $220 to $1,089, with a median of $470.
Are LiFePO4 batteries UL listed?Three of the 37 LiFePO4 batteries we list carry a UL 1973-type listing we could look up by model.
Which LiFePO4 batteries can charge below freezing?Nine of the 37 LiFePO4 batteries we list heat their own cells so they can charge below freezing.
