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Old 08-04-2012, 12:55 PM
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Doctorbass Doctorbass is offline
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Default Complete 40s LiFePO4 BMS ready for car or motorcycle

Original post here on E-S forum:http://www.endless-sphere.com/forums...t&f=9&p=618934

My Friend is offering this 40s LiFePO4 BMS based on the Fechter V2.5 original desing.

Come with everything you see in the pictures.

The aluminum box with the fan have been calculated to manage the heat perfectly so everything is protected and that box can be placed anywhere.

It consist in 3 parts:

-the BMS box with the lexan on the top to allow you to visualize the cells shunt leds
-the external wirring harness with the DB44 pins
-the rest of the wires to connect from the harness to the cells.
( that way you can disconnect the bms without the need to remove all connections from the cells.)

It have been upgraded with a dual 150V fet to be able to take 20A charging current continuously.
The unit is lighter than most common BMS on the market and is simple to understand ( alot of documentation have been made for this desing on the forum)

This unit have been installed in a Mazda 3 conversion EV with T-S cells and worked well.

I also have a youtube video showing some test i did on it :





Cost more than 1200$ in parts and fabrications

Asking 500$ firm

PM me

Doc
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