All-in-one AC Coupled Unit


TSUN offers an all-in-one AC Coupled Unit, which simplifies the whole energy storage system's installation process. The ACS series is composed of an AC coupled inverter, battery bank and pre-wired BMS system inside of a modern cabinet, embedded with connection devices and preset cable slot. Simple to install, safe, very reliable, and provides the lowest lifetime energy cost for retrofit customers.


  • All-in-one design, no extra match.
  • Easier installation.
  • All-in-one design unified after-sale service.
  • Larger battery, more power available.
  • Dividing compartment lower battery temperature.
  • Excellent battery supplier ensure high-quality battery.
  • Rich experience professional solution provider.
  • IEC/EN 62619 certification.

All-in-one AC Coupled Unit System


  • Model TSOL-ACU3.0K
    Battery Type LiFePO4
    Nominal Battery Voltage [V] 51.2
    Battery Voltage Range [V] 42 - 58.4
    Nominal Battery Capacity [kWh] 5.12
    Expansion Battery Capacity [kWh] 5.12(TSOL-B100E-S)
    Storage System Capacity [kWh] 5.12/10.24/15.36/20.48 optional
    Max. Charging Current [A] 60
    Charging Current Range [A] 0 - 60 (programmable)
    Charging Curve 2-stage adaptive with maintenance
    Max. Discharging Current [A] 60
    Electronic Protection OCP OTP OVP
    Short Circuit Protection Fuse (100A)
  • Model TSOL-ACU3.0K
    Max. Output Power [VA] 3000
    Nominal AC Voltage [V] * 220/230/240, L/N/PE
    Max. AC Current [A] 13.1
    AC Voltage Range [V] 180 - 270
    Frequency * 50/60
    THDi <3%
    Power Factor 1 default (± 0.8 adjustable)
  • Model TSOL-ACU3.0K
    Max. Charging Efficiency 94%
    Max. Discharging Efficiency 94%
    Standby Loss [W] <8
    Topology High Frequency Insolation (For Battery)
    Degree of Protection IP65
    Safety Protection Anti-islanding, RCMU, Ground Fault Monitoring
    Certification CE-LVD, CE-EMC, VDE 0126, VDE 4105, CEI0-21, G98,AS4777, IEC/EN62619, UN38.3
    Communication WiFi, GPRS, Ethernet
  • Model TSOL-ACU3.0K
    Ambient Temperature Range [℃] -10~45
    Allowable Relative Humidity Range 0 - 95%, No Condensing
    Protective Class Class I
    Max. Operating Altitude [m] 4000 (Derating above 3000m)
  • Model TSOL-ACU3.0K
    Noise [dB] <29
    Weight [kg] 60
    Cooling Natural
    Dimension (W*H*D) [mm] 650 x 738 x 186
  • Model TSOL-ACU3.0K
    Nominal EPS Power [VA] 3000
    Nominal EPS Voltage/Frequency 230 V, 50 / 60 Hz
    Switch Time <20 ms
    THDV <3%
    Over Load 3600VA (10s, 120%)

* The AC voltage and frequency range may vary depending on specific country grid.

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