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Aster TB250/TB500
250–500 kW / 705–1410 kWh
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Aster TB250/TB500 is an advanced 800V battery energy storage system designed for commercial and industrial applications, fully compatible with 800V PV systems and large-scale industrial facilities. The Aster TB250/TB500 C&I BESS supports parallel connection of up to 6 units, enabling flexible expansion up to 3 MW / 8.46 MWh to meet growing energy demands. Delivered as a pre-assembled 20-foot all-in-one container with a front-access installation design, integrated safety architecture, and intelligent liquid cooling, it ensures fast deployment, reliable operation, and scalable performance for a wide range of C&I energy projects.
FEATURES
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400V/800V System Campability
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Front-Access Installation Design
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All-in-One
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Independent Fire Protection System
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UL9540A Certification
SPECS
System Specifications
Module
Aster TB250/TB500
Power
250–500 kW
Capacity
705–1410 kWh
System Ingress Protection
IP55
Nominal AC Voltage
400 / 800 V
Certifications
UN38.3,UN3536, IEC 62619, IEC 62477, IEC 61000, UL 9540A
Battery Specifications
Battery Model
Rated Voltage
Nominal Capacity
Rated Charging and Discharging Power
Ingress Protection
Weight
Dimensions (W × D × H)
Operating Temperature Range
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Battery Model
M166314-52S-EX
Rated Voltage
166.4 V
Nominal Capacity
52.24 kWh
Rated Charging and Discharging Power
26.12 kW (0.5 P)
Ingress Protection
IP67
Weight
340 kg
Dimensions (W × D × H)
810 × 1125.5 × 237.5 mm
Operating Temperature Range
30 °C – 50 °C
WHAT CAN WE DO FOR YOU
Buy Your Energy Storage System
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