Cellula Envoy / Solus-LR
A long-endurance AUV formerly called Solus-LR, with a manufacturer-reported 2,023 km submerged demonstration in 2026.
- Country / region
- Canada
- Programme status
- Development / trials
- Sources reviewed
- 21 Sept 2026
- Primary domain
- Underwater
- System type
- Autonomous underwater vehicle
- Developer / manufacturer
- Cellula Robotics
- Origin / production countries
- Canada
- Other names
- Solus-LR; Solus LR
- Variants / configurations
- Envoy fuel-cell configuration; Envoy battery configuration
- Operators / programme customers
- Canada — DRDC development collaboration
Evidence & current status
Explicit Solus-LR rename verified. Product-page mass and depth contradictions remain visible; the trial is supplier-reported.
Role & capabilities
- Underwater survey
- Environmental assessment
Specifications in context
- Configuration
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Hull / propulsion
- Hydrogen fuel-cell energy; battery versions also offered
Supplier baseline; installed equipment and operating conditions affect performance.
Source - Dimensions
- Fuel-cell table: 8.5 m long; 1 m diameter
Supplier baseline; installed equipment and operating conditions affect performance.
Source - Displacement / mass
- Fuel-cell table: 2,700 kg
Page introduction instead states 3,700 kg; discrepancy unresolved.
Source - Payload
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Endurance
- 385 hours during the reported 2026 trial
Demonstration result, not a universal customer guarantee.
Source - Range
- 2,023 km submerged in the reported 2026 trial
Supplier baseline; installed equipment and operating conditions affect performance.
Source - Speed
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Operating depth
- Fuel-cell table offers 1,000 / 3,000 / 6,000 m variants
Page introduction instead refers to 2,000 m. Depth of the 2026 demonstration is not established.
Source - Sensors
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Communications / control
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Launch / deployment
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source