A/C-D/C Supply has what ever you need, in any size, in any length, with any connector type. Prices are very reasonable, fast shipping, and great customer service.
I have no financial interest in their company, but I am a satisfied customer with multiple orders over the past year and a half. One order came damaged by FedEX and when I e-mailed the owner, he sent an immediate replacement shipment. Did not require me to file against FedEX, although it was clearly run over and dragged by forklift or truck during shipment (afterwhich someone at FedEX put the clearly damaged cables insided a new FedEX envelope and delivered anyway).
My last order was 1/0 cable with Anderson connectors for quick disconnect capability.