Denchi is a trusted UK-based designer and manufacturer of high-reliability battery systems built for demanding marine and subsea applications. Find out more >>
The company’s solutions include lithium-ion and alkaline battery packs, custom energy storage systems, and smart charging technologies designed for AUVs, UUVs, and seabed-deployed platforms. With over 20 years of field experience, Denchi supports critical operations in commercial, defence, and robotics sectors with a focus on performance, safety, and lifecycle efficiency.
BB-2590: IP66-Rated Battery Pack
The BB-2590 is a high-capacity tactical battery developed for robust marine and unmanned applications. With dual voltage output (14.4V / 28.8V), IP66 ingress protection, and smart communication via SMBus, this rugged pack delivers reliable power in harsh underwater and surface conditions.
Ideal for integration into UUVs, AUVs, and remote marine systems, the BB-2590 provides high energy density, mission-ready durability, and compatibility with Level 3 Smart Chargers. It supports a wide range of marine equipment including sensors, thrusters, and communication nodes.
Custom Battery Solutions for Marine Applications
Denchi develops bespoke battery systems tailored to specific subsea and autonomous requirements. Each solution is built around mission parameters such as deployment depth, endurance, power profile, and integration constraints.
Designed for operation in high-pressure, vibration-intensive environments, these custom battery systems deliver dependable power for extended missions and remote instrumentation. The engineering team provides full lifecycle support, including cell selection, packaging, and battery management system (BMS) development.
Engineering & Design Capabilities
Denchi’s in-house team provides deep technical expertise across mechanical, electrical, and software engineering. The company’s engineering approach ensures that each solution meets stringent safety, performance, and certification requirements for subsea use.
Close customer collaboration throughout the design and development process enables Denchi to deliver purpose-built systems for complex subsea missions and defence-grade deployments.
Engineering services include:
- Custom lithium-ion and alkaline battery development
- Cell selection backed by proprietary test data
- Advanced BMS with segment-level control and system comms
- Integration with autonomous vehicle platforms (AUV/UUV)
- Qualified design under MOD and aerospace standards (DEF STAN 00-56, IEC61508, DAOS)
- Support for transport prep, maintenance, and storage cycles
Production & Test Capabilities
Operating from a dedicated 600 sq. m facility, Denchi’s production environment supports low- and high-volume battery manufacturing with full traceability and automated testing processes.
Each unit is serialised and undergoes rigorous testing for electrical performance, mechanical durability, and environmental compliance. Digital tools ensure accurate data capture and documentation for every battery pack.
Production capabilities include:
- Shock, vibration, thermal, and altitude stress testing
- Abuse testing (penetration, over-temp, short circuit, thermal runaway)
- Serial tracking of each unit and full digital traceability of build history
- Automated test rigs to eliminate operator error
- ISO9001 and ISO14001 accredited processes
- Multi-channel cyclic life testing and UN38.3 compliance
Visit the Denchi supplier profile or contact the company directly for more information.
