Logo

Shop Details

MG12K-40 – 12 kW Residential Microgrid Energy Storage System with 40.96 kWh LiFePO4 Battery

Product overview – MG12K-40 microgrids ESS

The MG12K-40 is a residential microgrid energy storage system that combines a powerful 12 kW hybrid inverter with a modular LiFePO4 battery bank, designed to deliver seamless backup power, solar self‑consumption and bill savings for modern homes.
It features fast “no break” transfer, IP65 outdoor rating and up to 40.96 kWh usable capacity, making it ideal for whole‑home backup and demanding residential applications.

Key residential features

  • No‑break supply: automatic transfer in case of grid or generator failure, fast enough to keep computers and electronics running without interruption.

  • Outdoor‑ready IP65 enclosure: engineered for harsh environments with strong protection against dust and water.

  • High power output: 12 kW continuous output with high surge capability for starting heavy loads.

  • Scalable storage: up to 8 battery modules for a maximum of 40.96 kWh energy capacity.

  • Long lifetime: >6000 cycles and 10+ years design life with a 10‑year warranty to 80% capacity retention.

Inverter specifications – MG12K-40

  • Model: MG12K-40.

  • Transfer switch rating: 60 A.

  • Maximum AC input: 60 A.

  • Output frequency and voltage: 50/60 Hz, L/N/PE 220/230 V (single‑phase).

  • Rated AC output and UPS power: 12,000 W.

  • Maximum AC output active power: 13,200 W.

  • Peak power (10 s): 24,000 W for 10 seconds, ideal for motor start‑up.

  • Maximum AC output current: 57.4 A.

  • Maximum efficiency: 97.6%.

Charging & solar PV section

  • Maximum charging current: 250 A.

  • Maximum discharging current: 250 A.

Solar (PV) characteristics:

  • Maximum PV input power: 15,600 W.

  • Maximum open‑circuit voltage: 500 V.

  • MPPT efficiency: >99%.

  • MPPT operating voltage range: 150–430 V.

Battery system – LiFePO4 storage

  • Rated battery voltage: 51.2 V.

  • Rated capacity per module: 5120 Wh (multiplied by number of modules).

  • Usable capacity per module: 4966 Wh (multiplied by number of modules).

  • Maximum number of modules: 8.

  • Maximum total capacity: 40.96 kWh.

Operating conditions & lifetime

  • Working temperature:

    • Charging: 0 to 65 °C

    • Discharging: -20 to 65 °C

  • Design life: 10+ years.

  • Cycle life: >6000 cycles.

  • Certifications: IEC62619 / CE / UN38.3, IEC/EN 61000‑6‑1, 61000‑6‑2, 61000‑6‑3, 61000‑6‑4.

  • Warranty: 10 years to 80% capacity retention.

Benefits for residential applications

  • Whole‑home backup: 12 kW output and large storage capacity support major household loads during outages.

  • Solar optimization: high PV input power and >99% MPPT efficiency maximize self‑consumption and reduce bills.

  • Robust outdoor installation: IP65 rating allows placement on exterior walls or in exposed locations.

  • Reliable long‑term investment: long cycle life, strong certification portfolio and 10‑year warranty for homeowner peace of mind

Reviews

There are no reviews yet.

Be the first to review “MG12K-40 – 12 kW Residential Microgrid Energy Storage System with 40.96 kWh LiFePO4 Battery”

Your email address will not be published. Required fields are marked *