BLUETTI B1232 12V 314Ah Self-Heating LiFePO4 Battery
- 12 V system
- 4,000-5,999 Wh
- Self-heating
- 5-year warranty
SVT Score, Top
A 4,019 Wh, 12 V LiFePO4 battery with a built-in heater, Bluetooth app monitoring, an IP65 case and wall brackets, for RV, marine and off-grid banks.
$799
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Usability
6.9 out of 10Strengths
- Large store of energy in one 12 V case
- Charges below freezing with its built-in heater
- Sealed against dust and water jets
- Light for its capacity
- Wall brackets and template in the box
Drawbacks
- Continuous current is low for its capacity
- Cycle rating counted to a low end point
- Third-party inverter link needs an extra box
- Heavy to lift alone
Specs
- Capacity4,000-5,999 Wh
- AC OutputNot applicable
- System Voltage12 V
- Panel PowerNot applicable
- Charge CurrentNot applicable
- Safety ListingUL 1973 listed
- Cell TypeNot applicable
- Low-Temp ChargingSelf-heating
- Warranty5 Years
- MonitoringBluetooth built in
- Weight64.6 lb
At a glance
- 16.38 x 11.42 x 9.09 in
- Drilling template included
- Ethernet link cable
- Expansion bolts for walls
BLUETTI Power Inc., a Nevada corporation based in Las Vegas, sells BLUETTI in the US, and the brand belongs to Shenzhen PowerOak Newener Co., Ltd. of Shenzhen, China.
It sells its panels, batteries and RV systems with a cart at bluettipower.com and on Amazon US through its own store, and its panels are listed at Home Depot, Lowe's, Best Buy and Walmart, partly through BLUETTI's own marketplace stores.
The BLUETTI B1232 is a 12.8 V, 314 Ah LiFePO4 battery storing 4,019.2 Wh in an IP65 case, with a built-in heater and Bluetooth monitoring through the BLUETTI app. BLUETTI's manual gives a 140 A maximum continuous discharge, a 310 A peak for 8 seconds and a 10 to 14.6 V operating window.
It takes 70 A of charge current recommended and 140 A at most. It charges from 32 to 131 °F on its own and down to -4 °F while a charger supplies more than 1 A to run the heater. It measures 16.38 x 11.42 x 9.09 in, weighs about 64.59 lb and has COM input and output ports beside its terminals.
Up to 4 units run in series for 48 V and up to 24 in parallel, with an Edock interface box, sold separately, needed above 8 in parallel and for talking to third-party devices. The manual rates it for 6,000 cycles while retaining 70 percent capacity at 0.4C and 77 °F.
In the box are the battery, M8 bolts and flange nuts, an Ethernet cable, two terminal covers, a drilling template, two pairs of mounting brackets, wood screws and expansion bolts, and the manual with warranty card. BLUETTI's page lists a two-battery pack at $1,598.00 and gives a 5-year warranty.
Questions answered from our data

How much does a LiFePO4 battery cost?The 82 LiFePO4 batteries we list run from $220 to $2,599, with a median of $716.
Are LiFePO4 batteries UL listed?Nine of the 82 LiFePO4 batteries we list carry a UL 1973-type listing we could look up by model.
Which LiFePO4 batteries can charge below freezing?38 of the 82 LiFePO4 batteries we list heat their own cells so they can charge below freezing.
Which LiFePO4 batteries have Bluetooth?48 of the 82 LiFePO4 batteries we list offer Bluetooth monitoring, built in or as the maker's add-on.

