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Fox ECS HV ECM4100, 12.09kWh 1x Master 2x Slave

Marsoni M251S
Sale price$1878.66
Pay 4 payments of $469.67 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Fox ECS HV ECM4100, 12.09kWh 1x Master 2x SlaveThis part is made up of the following items: 2 x Fox Energy Cube 4. 03kWh HV Battery (Slave) 1 x Fox Energy Cube 4. 03kWh HV Battery (Master) Fox Energy Cube 4. 1kWh Stack of 3 (12. 09kWh) Incl. Master ECM4100 4. 03kWh Capacity Scalable to 28. 21kWh 90% Depth of Discharge Wide Temperature Tolerence Easy Installation CAN RS485 Communication High Voltage The quick & easy install feature allows for more ECM4100 battery modules to be added post
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.7 ★★★★★
Based on 2291 reviews
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C
Verified Purchase
Cliente de Amazon
San Leandro, US
★★★★★ 5
Excelente
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
I
Verified Purchase
Ivan Santana
Pawtucket, US
★★★★★ 4
Functions. No trigger,need relay for car install
Functions,but will not turn off. No remote wire,just positive & negative. Need relay to install correctly to use on-board fuse. Or connect to remote only to view voltage use. No instructions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 29, 2025
V
Verified Purchase
Very slowly shipping 20 days to California
Cuba, US
★★★★★ 5
Good quality
Good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025
J
Verified Purchase
Junior Omar Arias Chavarria
Boise, US
★★★★★ 5
Se ve excelente
Se ve de buena calidad, aún no lo instaló pero si se aprecia muy bueno.
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Reviewed in the United States on April 11, 2026
A
Verified Purchase
Armando salazar
Pawtucket, US
★★★★★ 5
Ez install
I really like how EZ it was to install, the display is handy tells you what your voltage is currently. Nice
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 5, 2026

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