Fisker Inc. has announced a $340 million convertible notes offering, which could potentially increase to $680 million. The company also granted the investor the right to purchase up to approximately $226.6 million in additional notes over a six-month period. The proceeds will be used for general corporate purposes, including working capital, an additional battery pack line to support growth, sales and marketing, capital expenditures, and the development of future products. The offering is expected to close on Tuesday.