iStoragE1 Series

Enjoy Energy Independence

With Kehua Energy Storage System + PV, it is now possible to effectively manage day and night solar in your home.

Add in blackout protection and the option to join a virtual power plant to give your customers a complete energy solution.

iStoragE1 Series


■ Built-in EMS function with multi-mode operation (achieves energy independence)
■ Real uninterruptible power supply, switching time<10ms
■ Stronger back up power up to 7800W


■ All-in-one design
■ Modular installation & Quick plug connector
■ Multiple battery expansion& Multiple system expansion


■ Physical and electrical dual isolation
■ Modular fire protection integration
■ AFCI function integration (optional)


■ Multi-point real-time monitoring, adaptive SOC management
■ PACK-level battery management, active balance of charging and discharging
■ Intelligent energy management with weather forecast function

ItemsiStoragE1 3600iStoragE1 5000iStoragE1 6000
DC Input (PV)
Recommended Max. PV input power9.0kWp
Max. PV input voltage580Vdc
No. of MPPTs2
No. of PV strings per MPPT1/1
Max. PV input current15A/15A
Max. short current18.75A/18.75A
MPPT voltage range100~550Vdc
Starting voltage100Vdc
DC (PV) switchYes
DC Input   (Battery)
Battery voltage range360~500Vdc
AC Input and   Output (On-grid)
Rated AC output power3.6kW5.0kW6.0kW
Rated AC output voltage220/230/240Vac
Grid voltage range180~270Vac
Max. output current15.6A21.7A26.1A
Max. input current31.2A43.4A52.2A
Rated grid frequency50/60Hz
Grid frequency range45~55/55~65Hz
Power factor>0.99 (rated power)
Adjustable power factor0.8 (leading)~0.8 (lagging)
THDi<3% (rated power)
AC Output (Back-up)
Rated AC output voltage220/230/240Vac
Rated output frequency50/60Hz
Rated output power3.6kW5.0kW6.0kW
Peak output power4.68kW, 60s5.4kW, 30s6.5kW, 60s7.5kW, 30s7.8kW, 60s
Switch time1<10ms
Max. efficiency97.70%
European efficiency97.10%
Weight17kg/37.47lb (including side plates)
Dimension (W*H*D)800*280*233mm/31.49*11.02*9.17in (including side   plates)
Enclosure typeIP65
CertificationEN   62109-1/2, IEC 62109-1/2, EN IEC 61000-6-2/3, EN IEC 61000-3-11, EN   61000-3-12, VDE-AR-N 4105, VDE V 0124-100, G98, G99, XP C15-712-3, VDE V   0126-1-1, EN50549-1, CEI0-21, AS4777.2, PO12.2, UNE 217002, UNE 217001

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