C&I BESS · CHISAGE ESS
OBE261-Y — 261 kWh / 125 kW BESS for commercial and industrial applications
Liquid-cooled storage cabinet with photovoltaic integration for demand management and continuity planning.
The OBE261-Y combines 261 kWh of storage with 125 kW rated power. KES evaluates load profile, PV, critical loads, space, protections and connection conditions before final configuration.
A compact format for projects where power, PV and flexibility need to work together
We review consumption, demand peaks, operating hours, PV production, space and backup requirements before finalising the system.
CHISAGE ESS OBE261-Y
Typical OBE261-Y applications
What this architecture brings
PV + battery integration
The manufacturer describes DC coupling to reduce unnecessary conversion between PV and storage.
Integrated STS
The official product page states internal STS integration.
Fast transfer
CHISAGE ESS publishes grid-to-island transfer of up to 20 ms for this family.
Project-led engineering
KES defines the system's operating role before selecting final configuration and installation scope.
CHISAGE ESS OBE261-Y
Multi-level integrated safety
CHISAGE ESS describes PACK-level and cabinet-level protection plus fire protection. The exact configuration is verified for each delivery.
Control and integration
The supplied technical information includes 4G and Ethernet. Protocols, signals, EMS and operating strategy are confirmed during engineering.
Continuity and transfer
The manufacturer states integrated STS and grid/island transfer ≤20 ms. KES defines critical loads, starting power, autonomy and electrical architecture for each project.
CHISAGE ESS OBE261-Y
Key technical data
Battery and storage
Power and PV integration
Format and environment
Control and communications
Technical sources: information supplied to KES and the current official CHISAGE ESS product page/data sheet, reviewed 07 Sep 2026.
Manufacturer documentation and project validation
Information published by CHISAGE ESS is combined with technical documentation supplied to KES. The final configuration must be verified for each delivery.
- Official CHISAGE ESS product page
- Applicable model data sheet or technical documentation
- Conformity and connection documentation for the supplied unit
Before quotation or installation in Spain, KES confirms the exact equipment version, applicable certificates, connection requirements, protections and project safety configuration.
How KES Energy integrates it
KES turns equipment data into a solution aligned with the client's electrical installation and operating goals.
Does the OBE261-Y fit your load profile?
Send us a recent electricity bill and, if available, load curves. We can assess whether 261 kWh / 125 kW is suitable or whether another architecture fits better.
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CHISAGE ESS OBE261-Y · 261 kWh / 125 kW