Yuasa q85 battery 500+ is fake. The price of the Yuasa q85 battery is about 900 yuan. Yuasa battery is a brand of Japan Yuasa Corporation, this brand has a long history, is considered a better one in the Japanese battery. Yuasa battery internal resistance is small: due to small internal resistance, high-current discharge characteristics are good. Deep discharge has excellent recovery ability: in case of long-term discharge, as long as the full charge, basically does not appear capacity reduction, can be quickly restored. The price of genuine Yuasa q85 battery is about 900 dollars. So the Yuasa q85 battery 500+ is fake.