April 21 (SeeNews) - Bulgarian car battery manufacturer Elhim Iskra [BUL:ELHM] said that it expects to book 21.8 million levs ($12.17/11.15 million euro) of sales revenue in the first half of 2022, which would mark a 14.6% rise compared to the same period of 2021 and an increase of nearly 50% compared to the first six months of 2020.