// AI x Battery Technology Startup

Where Artificial Intelligence
meets Battery Technology.

TeJ Energy is building the bridge between AI and energy storage — smarter diagnostics, predictive analytics, and intelligent systems for the battery industry.

Explore Our Tools Meet the Founder
// what is tej energy

AI-powered thinking
for a battery-powered world.

We are not just working on batteries. We are wiring AI into every layer of how batteries are understood, tested, managed, and extended.

🧠
Battery Digital Twins
AI models that mirror real battery behavior in software, predicting degradation and end-of-life before they happen in hardware.
In Development
📊
Predictive Analytics Platform
Fleet-scale SOH tracking across thousands of batteries using ML pipelines built on real telecom and BESS deployment data.
Core Capability
⚗
AI-Driven Materials Research
Using machine learning to explore electrode and electrolyte chemistries and accelerate discovery of safer, higher-density battery materials.
Research Track
♻
Second-Life Battery Intelligence
AI-powered grading and routing for retired battery packs, extending value through smart repurposing in grid storage and industrial use.
Circular Economy
⚡
Smart Grid and V2G Optimization
Intelligent dispatching for battery fleets and EV infrastructure, reading energy markets and weather in real time to optimize charge decisions.
Coming Soon
🏭
Manufacturing Yield AI
ML monitoring for gigafactory production lines, catching defects in coating thickness and cell formation before they become failures at scale.
Coming Soon
// products, services & tools

Everything we build and offer.

From battery engineering tools to AI-powered products and technical services — organized by what they do and who they are for.

🔬 Battery Tech
BattSight — Battery Analytics Dashboard
Building
Python-native platform for Li-ion fleet health monitoring. OCV-IR trending, SOH decay curves, thermal event detection. Built on real BESS deployments.
CycleIQ — Battery Validation Tool
Building
Automated test suite for mixed-capacity, mixed-generation LFP paralleling. Flags unsafe combinations using data-driven thresholds from cycle studies.
Battery Testing & Characterization
Available
OCV-IR, EIS, C-rate profiling, thermal cycling, degradation analysis. Engineering-grade reports your team can act on.
Cell Compatibility Checker
Live Soon
Check whether two battery cells are safe to parallel based on capacity, chemistry, and age. Thresholds from 100+ LFP validation studies.
SOH Estimator — Python Notebook
In Progress
Open-source Jupyter notebook for estimating State of Health from OCV-IR data. Get degradation reports and trend visualization from your own test data.
AI Battery Failure Pattern Library
Planned
Searchable database of battery failure modes, RCA examples, and recommended remediation built from real incident reviews.
🤖 Battery Modelling
TwinCell — Battery Digital Twin Engine
Exploring
Physics-informed ML model that ingests raw sensor data and builds a live digital twin of each battery cell, predicting remaining useful life in real time.
Refurb.AI — Second-Life Grading System
Exploring
AI-assisted diagnostic pipeline for retired EV and telecom batteries. Grades packs for second-use routing: residential storage, industrial backup, or recycling.
DFT Battery Interface Modelling
Available
Solid-state battery interface simulation using density functional theory. Based on M.Tech thesis research on PARAM SEVA supercomputer, IIT Hyderabad.
📐 Financial
BESS Sizing Calculator
Live Soon
Input your load profile, get battery and inverter sizing recommendations. Built on real tender evaluation methodology from utility-scale projects.
BESS Sizing & Tender Support
Available
Battery and inverter sizing methodology, BESS tender evaluation, and documentation for projects from 5 kWh to 20 MWh scale.
GridSense — V2G & BESS Dispatch Optimizer
Planned
Real-time AI dispatcher for BESS and EV fleets. Reads live market prices, weather, and load data to optimize charge and discharge decisions automatically.
🐍 Utility
Custom Python Analytics
Available
End-to-end analytics pipelines for your battery data. From raw BMS exports to dashboards, automated anomaly alerts, and SOH reports.
GenAI Workflow Integration
Available
Bringing AI tools into engineering workflows. Automated report generation, LLM-assisted RCA, failure documentation, and knowledge capture.
OEM Technical Liaison
Available
FAT coordination, protocol verification, and technical submissions with Chinese and international battery OEMs. We speak the language on both sides.
📝 Writing
Technical White Papers
Available
Standards-aligned documentation per IEC, UL, and IEEE. Parallel battery operation guidelines, lifecycle policies, and safety protocols.
Battery RCA & Incident Reports
Available
Structured root cause analysis reports for battery failures and field incidents. Clear, actionable documentation for OEMs, clients, and regulators.
AI-Generated Engineering Documentation
Live Soon
LLM-powered templates and auto-generation workflows for BESS commissioning, FAT reports, and technical submissions. Fast and standardized.
// founder
Tejendra J
TeJ · Founder, TeJ Energy

Battery engineer and R&D manager at the intersection of electrochemistry, AI, and large-scale energy storage.

IIT Hyderabad (M.Tech) · IIT Dharwad (B.Tech Mech). Currently Manager R&D at Cospowers New Energy, Hyderabad.

Li-ion / LFPBESS SystemsPython AnalyticsDFT / ASSBsEIS / OCV-IRCircular EconomyGenAI Tools10K+ LinkedIn
LinkedIn Email
Cospowers New Energy Pvt. Ltd.
Manager — R&D and Technology
Apr 2025 – Present · Hyderabad
Cospowers New Energy Pvt. Ltd.
Assistant Manager
Aug 2024 – Jun 2025 · Hyderabad
Research — IIT Hyderabad
M.Tech Thesis: DFT Modeling of Solid-State Battery Interfaces
PARAM SEVA supercomputer · MoE Fellowship · Academic Excellence Award
M.Tech — Energy Science
IIT Hyderabad
2022–2024
B.Tech — Mech. Engg.
IIT Dharwad
2016–2020
// technical stack

What we work with.

The battery science, software, and systems stack behind TeJ Energy.

Battery Tech
LFPLi-ionBESSOCV-IREISC-rateSOH AnalysisThermal CyclingBMS Data
AI and Software
PythonPandasMatplotlibPlotlyJupyterGenAI ToolsML Pipelines
BESS and Projects
CommissioningFAT CoordinationTender EvaluationRCA5kWh–20MWh
Research
DFT ModelingASSBsIEC StandardsULIEEEWhite PapersCircular Economy
// contact

Let's talk batteries and AI.

Working on BESS, EV, or second-life batteries? Want to explore what AI can do for your energy storage operations? Reach out — always happy to connect.

✉ jangampallitejendra@gmail.com 💼 linkedin.com/in/tejendraj