Specialist designer and manufacturer of rugged Ni-MH battery systems, UPS units, and bespoke power solutions for military, law enforcement, and demanding field operations.
All products designed for lightweight portability, high ruggedisation, and extreme-environment reliability.
Rugged Ni-MH 12V battery packs designed for portability and performance in field conditions. Multiple capacities available.
High-capacity 24V battery systems built to meet stringent military and law enforcement operational requirements.
Uninterruptable and critical power supply units engineered for reliability in extreme environments and mission-critical systems.
Intelligent battery management chargers optimised for Ni-MH chemistry. Safe, reliable, and transport-ready.
Purpose-built cable assemblies and interconnects designed to work seamlessly with ATSI power products.
Tailored accessories and fully bespoke solutions. ATSI's design service delivers the perfect power solution for your exact requirement.
Commissioned by the British MOD, ATSI elected Nickel Metal Hydride as its core chemistry — delivering outstanding performance far beyond manufacturer specifications, with no dangerous goods transportation restrictions.
MOD-commissioned systems trusted by armed forces for field operations in extreme climatic conditions.
Reliable power for communications, surveillance, and mobile command systems.
Precision power solutions for remote scientific instrumentation and research equipment.
Portable, reliable power for location shoots and broadcast equipment.
ATSI's design team creates fully tailored power solutions — from initial concept through prototyping, circuit board manufacturing, and full production. No requirement is too specialised.
In-house test chamber capable of −40°C through to +100°C, with both high and low temperature testing capability — ensuring your products perform when it matters most.
Products commissioned by and qualified to British MOD standards, with NSN numbers available for straightforward procurement through military supply chains.
Ni-MH chemistry eliminates dangerous goods transport restrictions — your batteries travel without classification headaches, reducing logistical burden significantly.