Engine is a BMW N55. It takes under 150 amps to start. Was thinking of going with the 40152S cell in a 4S1P config with [strike]aluminum busbars and cable since aluminum has better conductivity to weight ratio than copper. That means due to the density of aluminum the physical size of the conductors is bigger but overall weight is lower for a given conductivity[/strike]. No longer using aluminum since it cold creeps and has issues with connectors. Just copper. The threaded cell is chosen for ease of permanent assembly into a high current system. This is replacing a heavy stock automotive battery. The cells burst 150 amps and with the 15Ah a no additional cells in parallel should be necessary to avoid running low. Also my car has some stupid "advanced" charging system with a fused and sensored cable that would be nice to eliminate. I may be able to code this thing out thru software and.
Questions:
--Anyone have a good experience buying the 40152S cell anywhere? I have a source at batteryspace but they are expensive.
--Anyone recommend another cell?
Questions:
--Anyone have a good experience buying the 40152S cell anywhere? I have a source at batteryspace but they are expensive.
--Anyone recommend another cell?