JAStar

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Residential ESS Product

Product Core Advantages

Safety & Reliability

  • Premium LFP cells with 10000+ cycles
  • Intelligent BMS with cell-level monitoring and multi-layer safety protection

Flexibility & Scalability

  • Modular design supports up to 8 parallel units (Total capacity 40.96 kWh)
  • Wall-mounted design enables tool-free installation, reducing installation time by 40%

User-Centric Design

  • The LED interface enables real-time energy visualization and control
  • 1C charge/discharge capability for high-power use

Technical Specifications

ModelJAS-1P-05K-EUJAS-3P-10K-EU
DC Side
(Single Pack)		Nominal Energy5.12kWh5.12kWh
Weight54kg54kg
Depth of Discharge (DOD)90%90%
Protection LevelIP65IP65
Nominal Voltage51.2V51.2V
Dimensions (W × D × H)540×490×240mm540×490×240mm
Max. Charging / Discharging Power2.825kW/4.096kW2.825kW/4.096kW
Cycle Life1000010000
CertificationsPack: IEC/EN 62619，UN38.3
Cell: IEC/EN 62619，UL1973		Pack: IEC/EN 62619，UN38.3
Cell: IEC/EN 62619，UL1973
AC SideNominal Voltage230V230/400V
Operating Frequency50/60Hz50/60Hz
Max. Continuous Input Current22A25A
Max. Continuous Output Power5kW17.8kW
PV SideMax. PV Input Capacity6.5kW20kW
MPPT Voltage Range80 ~ 560V140 ~ 1000V
MPPT Trackers / Strings per Tracker2/22/2
System ParametersOperating Temperature Range-25°C ~ +60°C-25°C ~ +60°C
Operating Altitude≤2000m≤2000m
Humidity0 to 95% RH0 to 95% RH
Grid StandardsEN50549-1, VDE-AR-N4105, VDE 0124, CEI 0-21, G98, G99, VDE 0126, NC RfG, UNE217001, UNE217002, NTS V2.1 Type A
CertificationsIEC/EN 62109-1&2, IEC62040-1,IEC62619
EMCEN61000-6-1, EN61000-6-2, EN61000-6-3, EN61000-6-4, EN61000-3-2, EN61000-3-3, EN61000-3-11,EN61000-3-12