Electric mobility
Battery control for passenger EVs, light commercial fleets and higher-voltage vehicle platforms.
EVESSAIUK R&D, testing and engineering
UK-India partnered deep-tech company
Energy IntelligenceDesigned To Evolve
nWATT develops intelligent battery systems, energy storage platforms and AIoT products that help energy assets perform with greater confidence over time.
800VEV & ESS readyScalable battery control
SoXBattery intelligenceSoC, SoH and SoR algorithms
MLPredictive diagnosticsAI plus physics hybrid models
E+CEdge plus cloudConnected fleet intelligence
A faster way to build
From cell data to actionable energy intelligence.
We bring battery hardware, embedded firmware, connected software and systems thinking into one engineering team. That shortens the distance between a useful prototype and a product that can operate in the real world.
nWATT is designed for teams that need more than a board or dashboard. We help make the whole system work together: pack behaviour, diagnostics, integration and the data that follows every asset through its life.
How we workThe nWATT platform
Built around the battery. Connected beyond it.
Three focused capabilities, engineered to work separately or as one connected programme.
Battery management
nBMS
A modular battery management platform for EVs, stationary storage and second-life systems.
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Storage systems
Energy Storage
Battery packs and storage architectures shaped around the job they have to do.
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Connected intelligence
AIoT
Edge-first devices and cloud tools that turn operating data into useful decisions.
Explore →Where it matters
Energy intelligence in the field.
The platform is shaped around demanding operating environments, not just a laboratory test bench.
Stationary storage
Modular storage for homes, commercial sites and energy assets that need visibility as well as capacity.
Second-life batteries
Health-led evaluation and pack intelligence for giving suitable batteries a useful next application.
Connected products
AIoT systems for sensing, local decision-making and a dependable route to cloud insight.
Engineering with intent
Fast-moving development. Measured engineering.
Our operating model pairs UK R&D and testing with India-based development scale and production readiness.
UKR&D and testing
HW + FWOne engineering view
EDGE + CLOUDEnd-to-end systems
LIFE CYCLEDesigned beyond launch
Build with nWATT
Bring more intelligence to your energy product.
Tell us what you are building, what has to work in the field, and where you need the system to get smarter.