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Old 10-02-2023, 11:49 AM   #1
2 Rivet Member
 
2011 16' Sport
2022 20' Bambi
woodinville , Washington
Join Date: May 2012
Posts: 69
12V LiFePO4 460AH Battery Bank, 200A BMS, Heating, Bluetooth GONE - Washington

This is self build 460AH Battery bank with low temp protection and heating function. Doesn't include Victron stunt or cable in some pictures. Our space for battery is limited, and the commercial LiFePO4 battery bank is usually bulky and lack of features such as heating at low temperature, We built this 460AH battery bank with less than the space for 200AH battery



Battery: 8 EVE LF230 230Ah 3.2V LiFePO4 Battery; EV quality Grade A cell from Chinese Factory;

BMS: JBD 4S 12V 200A BMS Lifepo4 Battery Smart Balance Protection Board With Bluetooth, Heating Function with balancer

It has configurable low temperature protection and heating feature. Peace of mind charging in cold environment. While charging voltage applied below low temperature threshold, the heating pad will be heated, once desired battery temperature is reached, the battery then start to charge.

The battery bank was built on April 2022, verified with full 460AH in battery test. We did the capacity test on Sep 21st 2023 again, scored 472AH with BMS, 450AH with Victron smart stunt with 10.56v cutoff, so the true capacity should be still around 460AH.

I spent a lot of time to build this battery bank for our Airstream, and it performs flawlessly. Due to to high electric demand of usage, we decided to build the exact battery bank again but with bigger capacity, and let this one to go.

Feel free to stop by and take a look of build quality of this battery bank, it has high capacity but really small footprint.

We are in Seattle area and prefer local pickup, not sure how to ship this since it's more than 80Lbs.

BMS Spec:

JBD BMS SP04S034

This BMS has a continuous current of 200A, heating function H , Bluetooth, 2 NTCs

Package BMS Bluetooth Balance Wires NTC

For 3.7V Li ion/ 3.2V LiFePo4 batteries

Continuous Current 100 200 A / Balance Current 50 150 mA

Size 192 2 105 0.5 20 1 mm

"H" Heating Function,

3 Temperature Sensors Detect battery temperature

Support Bluetooth, Phone Xiaoxiang BMS APP

Battery Spec:

Typical capacity: 230Ah at 0.5C discharge Discharge current 0.5C with 2.5V cut off. 25 2

Typical Voltage: 3.2V Discharge current 0.5C with 2.5V cut off. 25 2

AC Impedance Resistance: 0.30m

Standard charge and discharge: Charge/Discharge Current 1C/1C

Pulse Charge/Discharge Ccurrent 30s : 2C/2C The maximum charge current of the battery does not exceed 1C under 0 45 .

Charging Temperature: 0 60 Reference Continuous/Pulse Charge/Discharge Current Map

Storage Temperature: 20 45 Battery can work at specified temperature range with capacity loss in tolerance.

Typical dimension Width 173.93 0.5mm Height 207.3 0.5mm Thickness 53.85 0.4mm Thickness 300 20kgf 40 SOC

Weight: 4.11 0.22kg



View this ad at Airstream Classifieds - 12V LiFePO4 460AH Battery Bank, 200A BMS, Heating, Bluetooth...


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Old 10-03-2023, 11:59 AM   #2
2 Rivet Member
 
2011 16' Sport
2022 20' Bambi
woodinville , Washington
Join Date: May 2012
Posts: 69
Battery capacity test file attached.
Attached Files
File Type: xls Battery Capacity Test_20230921-0000_to_20230921-2359.xls (231.0 KB, 11 views)
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Old 10-24-2023, 11:41 AM   #3
2 Rivet Member
 
2011 16' Sport
2022 20' Bambi
woodinville , Washington
Join Date: May 2012
Posts: 69
My new set of battery arrived and I started to build the new battery bank. Reduced the price for this bank
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Old 10-24-2023, 02:50 PM   #4
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Boise , ID
Join Date: Oct 2021
Posts: 176
Man, thatís cool. If I wasnít already down a rabbit hole Iíd probably head this direction.
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Old 10-24-2023, 10:50 PM   #5
2 Rivet Member
 
2011 16' Sport
2022 20' Bambi
woodinville , Washington
Join Date: May 2012
Posts: 69
Due to the limit space under the bed, that's only way I can pack the highest quality and capacity of LIfeop4 battery
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Old 11-01-2023, 05:48 PM   #6
2 Rivet Member
 
2011 16' Sport
2022 20' Bambi
woodinville , Washington
Join Date: May 2012
Posts: 69
It's GONE
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