LiFepo4 portable power station


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floydR

Member
Joined
Aug 23, 2017
Messages
1,443
looks to be, I got my switch at autozone I haven't managed to get the led to work. but i haven't really tried. Much the same as my except for the gaurd over the top of switch and the connector on the front of the switch is in the center of the two on the bottom. It has an on position and an off position.
later floyd
 

AndrewBrown

New member
Joined
May 26, 2020
Messages
25
Could I ask you a few questions regarding the connectivity of the charging port.
1. how connect the negative of the charging port? Before shunt or right after the shunt?
2. How connect the positive terminal of the charging port before the SPST switch or after?


P.S. I purchased an SPST switch and replaced the main switch on the SPST switch and I removed the relay also.

Thanks in advance
 

floydR

Member
Joined
Aug 23, 2017
Messages
1,443
The spot where it is on your diagram in the first post works. Place the charging port positive connection before the switch.
Later floyd
 

AndrewBrown

New member
Joined
May 26, 2020
Messages
25
The spot where it is on your diagram in the first post works. Place the charging port positive connection before the switch.
Later floyd
Thank you. How about negative? Should I connect negative before the shunt or after?

Thanks in advance
 

floydR

Member
Joined
Aug 23, 2017
Messages
1,443
Every Bms I have hooked up to a relay using the B- all three they have all had load connections and separate wires for the Positive and the negative control wires/ control connections clearly labeled.
It should be P- instead of B- .
Later floyd
 
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