GL-1300 — Starting selection brief Manufacturer: Boya Gongdao A buoyancy-driven underwater glider rated beyond 1,300 m, with glide and vertical-profile modes for long-duration ocean observation. Maximum depth: ≥ 1,300 m Modes: Glide and vertical profile Average glide speed: ≥ 0.5 kn Battery: Primary lithium, ≥ 500 Ah Endurance: ≥ 120 days (CTD only, profile glide) Deployment: Launch and recovery up to sea state 5 Service life: ≥ 5 years Configuration note: The manufacturer describes a low-drag, low-noise, low-power design built from six modular units, supporting different sensors and power modules. This site presents the glider for civil ocean observation only. Confirm current specifications and delivered scope with the manufacturer before purchase.