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363 Posts
My Solectria E10 originally had 3 parallel 144V 40 AH strings, one in the front battery box, two in the back battery box:
All the negative cables when to the current shunt on the firewall.
All the positive cables when to the back battery box.
When I switched to gel cells I had 2 parallel 144V 75 AH strings:
2 negative cables when to the current shunt on the firewall.
2 positive cables when to the back battery box.
1 of the cables was isolated and used to run from the front battery box to the back battery box.
All the cables are 2AWG, never had any problems with imbalance between the packs.
All the negative cables when to the current shunt on the firewall.
All the positive cables when to the back battery box.
When I switched to gel cells I had 2 parallel 144V 75 AH strings:
2 negative cables when to the current shunt on the firewall.
2 positive cables when to the back battery box.
1 of the cables was isolated and used to run from the front battery box to the back battery box.
All the cables are 2AWG, never had any problems with imbalance between the packs.
