Redodo 12V 100Ah Group 31 Self-Heating LiFePO4 Battery
SVT Score, Mid
Redodo’s 12.8 V, 100 Ah Group 31 LiFePO4 battery with built-in heating pads for charging down to -4°F, a 100 A BMS and an IP65 case.
$266
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Usability
4.9 out of 10It suits a buyer who charges an RV, van or boat bank in freezing weather and wants the battery to warm itself first, and who will not need phone monitoring or closed-loop inverter communication.
Strengths
- Built-in heating pads allow charging from -4°F-20°C
- IP65 protection class
- Up to four in series and four in parallelto 51.2 V 400 Ah
- 100 A continuous charge and discharge
- 5-year warranty with no proration stated
Drawbacks
- Heating needs at least 15 A of charge current
- Spec table gives a 500 A surgethe manual 330 A for one second
- No end-of-life capacity published for the cycle rating
- 54.9 Wh per pound1.27 lb heavier than the Group 31 Basic
- No Bluetooth or CAN/RS485 port
Specs
- Capacity1,000-1,499 Wh
- AC OutputNot applicable
- System Voltage12 V
- Panel PowerNot applicable
- Charge CurrentNot applicable
- Safety ListingNone verifiable
- Cell TypeNot applicable
- Low-Temp ChargingSelf-heating
- Warranty5 Years
- MonitoringNone
- Weight23.3 lb
At a glance
- 13 x 6.77 x 8.43 in
- M8 bolts with insulating caps
- Heats 30-60 min from 14°F
- ≤40 mΩ internal resistance
Redodo is the brand of Shenzhen Maicheng Technology Innovation Co., Ltd. of Shenzhen, China, which holds its US trademarks and FCC grants, and its press releases give 2020 as its founding year.
It sells direct from redodopower.com, which ships US orders from US warehouses, and through its own Amazon and Walmart seller accounts, with separate stores for Canada, Germany, France, Spain and Japan.
The Redodo 12V 100Ah Self-Heating (model AE-A14114C-0D, store SKU R12V100-100-HEAT-HE-4-A100N) is a 12.8 V, 100 Ah (1,280 Wh) LiFePO4 battery of prismatic cells with a 100 A BMS and built-in heating pads, rated at 100 W in the page's feature text: 100 A maximum continuous charge and discharge, 1,280 W maximum continuous output, a 500 A surge on the spec table (330 A for one second in the manual), a 14.4 V ± 0.2 V charge voltage and a 20 A (0.2C) recommended charge current. Heating runs from -4°F to 41°F (-20 to 5°C): below 32°F (0°C) charging current goes to the pads first, and charging resumes at 41°F (5°C); the pads need a charge current of at least 15 A, and heating takes about 30 to 60 minutes from 14°F (-10°C) and 70 to 100 minutes from -4°F (-20°C). It charges and discharges from -4°F (-20°C), to 122°F and 140°F respectively, with internal resistance of 40 mΩ or less, an IP65 protection class, a flame-retardant ABS case and M8 terminals with 5/8 in (16 mm) bolts and insulating caps. It measures 13 x 6.77 x 8.43 in (329 x 172 x 214 mm), a Group 31 size, and weighs 23.32 lb. Up to four batteries connect in series and four in parallel, to 51.2 V 400 Ah. It shares its case, cells and BMS rating with the Redodo 12V 100Ah Group 31 Basic and differs by the heating pads, the low-temperature charge protection, a 1.27 lb heavier weight and a $16 higher price. It sells as a 2-pack for $526.66 and a 4-pack for $1,042.68, and is also listed at $279.99 on Redodo's All-Scenario page.
Questions answered from our data

Is Redodo good?We list 13 Redodo products and score 13 of them. Their overall scores run from 4.9 to 6.3, with a median of 5.7, 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.


