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I picked up some Trina panels from SanTan Solar. They have a slightly different connector than the standard MC4. They seem to be at least partially compatible, but the connection isn't that solid and standard MC4 wrenches don't seem to work for disconnecting. I use 2 small screw drivers to...

i bought 5 used panels and I'm running them in series. 5 Used 310W 72 Cell Polycrystalline Rated Power: 310W Open circuit voltage (VOC): 45.5V Max power voltage (VMP): 37.0 V Short circuit current (ISC): 8.85 A Max power current: 8.38 A Maximum system voltage: 1000V (UL) Fuse Rating: 15 A IP65...