Battery News

IEC 62133 explained: scope, cell and pack tests, medical vs consumer (60601/14971), vs IEC 62619, buyer filter and documentation file for portable lithium products.

IEC 62619 decoded: scope, cell- and battery-level tests, vs IEC 62133 and UL 1973, semi-solid/sodium coverage, procurement filter and documentation pack for stationary buyers.

Lithium primer: cell components, cathode/anode/electrolyte, intercalation, voltage/capacity/energy table, CC-CV, SoC vs voltage, C-rate, chemistry comparison, BMS, thermal, series/parallel, safety.

Lithium degradation decoded: capacity vs power fade, SEI/LAM/plating mechanisms, temperature table, DoD leverage, SoC myth, calendar aging, operational checklist, BMS settings, field measurement.

Solid-state vs lithium-ion head-to-head: what it is, energy-density table, safety, manufacturing maturity, cost trajectory, charging, cycle life, where each wins, procurement scorecard, pilot plan.

NMC vs LFP in 2026: cost bands, safety and thermal comparison table, cycle life and TCO, cold behavior, material supply risk, a procurement scorecard and common errors.

Energy density decoded: gravimetric vs volumetric, cell vs pack penalty table, how density drives cooling and safety, shipping cost, when density does not matter, TCO.

Lithium nominal voltage from cell to pack: what nominal means, series/parallel math, 12/24/48 V tables, BMS windows, charger matching, sag and balancing.

Prismatic vs cylindrical vs pouch compared: assembly cost, thermal and safety behavior, density table, mechanical integration, aging, failure modes, total-cost model.

SoC vs SoH explained: what each metric measures, how a lithium BMS estimates SoC and derives SoH, accuracy by method, warranty and telemetry, a procurement checklist.