Engineering blog
From the engineering team.
Battery design, AIS 156 compliance, ESS sizing, and field notes. Written by the engineers who actually do the work.
Tags: ais-156 2 lfp 2 thermal-propagation 1 battery-safety 1 arai 1 nmc 1 chemistry 1 india 1 fleet 1 ess 1 solar-firming 1 epc 1 ppa 1 sizing 1 procurement 1 ev-battery 1 supplier-selection 1 checklist 1
MobilityFEATURED
AIS 156 Phase 2: How thermal propagation actually works
The single test most procurement teams misunderstand. Why "passes thermal propagation" means very different things at different labs.
22 Apr 2026 9 min
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Mobility 12 min
LFP vs NMC for Indian conditions: 3 years of field data
Capacity fade, cycle life, safety incidents per million cell-cycles. The honest comparison nobody wants to publish.
Dr. Meera Iyer15 Apr 2026
Grid 11 min
How to actually size ESS for solar firming
The mistake most EPCs make is sizing for nameplate solar capacity. The right answer is sizing for the worst 30 minutes.
Priya Mehta08 Apr 2026
Industry 8 min
A checklist for choosing an EV battery supplier in India
12 questions to ask. If your shortlisted suppliers can't answer them, they're not engineering suppliers.
Arjun Rao01 Apr 2026