New Battery for Huina 1580 Hydraulic Conversion Kit RC Excavator Upgrade Parts. This battery is only compatible with Huina 1580 Hydraulic Version. Not the electric version. If you use this battery with electric version, your RC Excavator will fry. Fast Responses: We reply to all customer inquiries within 24 hours, ensuring your questions are answered promptly. We are here to help with any concerns or issues you may have.