The EVSE Directory · Field sheet · Fluence / BESS · BESS-BAL
BESS-BALCell imbalance inhibits output
Verified 2026-07-303 field confirmsSeverity: medium ~90 min
Safety
No DIY cell-level work under any circumstances — imbalance diagnosis and correction is BESS specialist/OEM territory only.
Full procedure requires solo+
Symptom teaser: Cell or module imbalance within the BESS is limiting or fully blocking discharge output to the EVSE bus, so chargers either derate hard or go fully unavailable …
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