ReVolt Technology, a Norway-based developer of rechargeable batteries backed by German energy company RWE’s corporate venturing unit, has filed for bankruptcy.
In May last year it had extended its series B round by €2m ($2.9m) from undisclosed investors but last month said it would file for bankruptcy unless it found a buyer or further investors.
The company has also gained €21m in grants, loans, tax credits, subsidized loans and other financing incentives to take its total raised since launch to…
