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
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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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