HydroSurv confirms REAV-47 customer deliveries in Europe and Nigeria - 2025-07-15 - Production Milestone - Two configurations were offered: a fully electric 24-kWh model and a 12-kWh battery-hybrid model. USV Bris was the first of three REAV-47s for Nordic USV in Bergen. HydroSurv reported endurance of up to 72 hours for… - source: hydro-surv.com