24V Samsung 21700 Lithium Battery Module 7.34 kWh Solar Powerwall EV O - $360 (Coolidge)

24V Samsung 21700 Lithium Battery Module 7.34 kWh Solar Powerwall EV O 1

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High capacity 24V lithium battery module built with genuine Samsung 21700 cells. These were lightly used for a prototype project and have only a few cycles. Perfect for solar powerwalls, off grid energy storage, RV and camper systems, electric vehicle projects, and large DIY battery banks. These modules are extremely hard to find in this condition.

Specifications
Energy capacity is about 7.34 kWh per module
Configuration is 85 rows of 5 cells each for a total of 425 Samsung INR21700 48G cells
Each cell is 4800mAh and 3.6V nominal
Nominal voltage is 28V
Fully charged cut off is 33.6V
Discharge cut off is 20V

Cooling system
Aluminum end plates with built in copper cooling tubes for highly effective thermal control
Not needed for storage applications but required for EV usage

Condition
Lightly used only a few cycles
Excellent working condition
Strong aluminum frame structure with integrated cooling tubes

Ideal uses
Solar power storage
DIY powerwalls
Home backup energy
Off grid cabins and RV setups
EV conversions at 24V, 48V, 72V, 96V, 120V, 144V, even 400V systems when used in series

Local pickup in Coolidge AZ.

24VLithiumBattery
Samsung21700Cells
DIYPowerwall
SolarEnergyStorage
EVBatteryPack
HighCapacityBattery
BatteryModuleForSale
OffGridSolar
DIYBatteryBank
HomeBackupPower

post id: 7920799904

posted: 2026-03-12 11:52

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24V Samsung 21700 Lithium Battery Module 7.34 kWh Solar Powerwall EV...

High capacity 24V lithium battery module built with genuine Samsung 21700 cells. These were lightly used for a prototype project and have only a few cycles. Perfect for solar powerwalls, off grid...