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SunWell Energy

25.6kWh 12kW APOLLO A Stackable All-in-One ESS

25.6kWh 12kW APOLLO A Stackable All-in-One ESS

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Model

Stackable by nature, this twelve kilowatt twenty-five point six zero kilowatt hour system turns a roof into a managed microgrid with one tidy cabinet. A stack-first design puts a twenty-five point six zero kilowatt hour twelve kilowatt block at the base of a system you extend one cabinet at a time.

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25.6kWh 12kW APOLLO A Stackable All-in-One ESS — Technical Specifications
MODELSW-A-51.2-500
Inverter
Rated Power12kW
AC Rated Voltage230Vac
Rated Frequency50/60Hz
Efficiency≥98%
Transfer Time10ms
WaveformPure Sine Wave
Battery Overvoltage58.4V
Battery Undervoltage Alarm45V
Constant Voltage Charge58.4V
Float Voltage56V
Max. Charging Current160A
Communication InterfaceUSB（Inverter) / RS485（BMS）
Dimension60×40.5×22cm
AC Input
Nominal Voltage230Vac
Voltage Range90-280Vac
Rated Frequency50/60Hz
Frequency Range40-70Hz
Rated Current60A
Max. AC Current160A
PV Input
Max. Voltage500V
Optimum Voltage300-400V
Voltage Range80V-500Vdc
Max. Power27A+27A/7500W×2
Battery
Rated Capacity25600Wh(500Ah)
Nominal Voltage51.2V
Discharge Voltage Range43.2V-58.4V
Standard Charing Current100A
Max. Charging Current200A
Max. Discharging Current200A
Depth of Discharge95%
Communication InterfaceCAN/RS485
Cycle Life≥6000, 25±2°C, 0.5C, EOL80%
Working Temperature RangeCharge: 0°C-50°C; Discharge: -20°C-60°C
Storage Temperature-20°C-60°C
Dimension60×40.5×19.5cm

Features

  • Plug-and-stack Set the twelve kilowatt cabinet down, link the next, and the twenty-five point six zero kilowatt hour system expands without an electrician.
  • True waveform The twelve kilowatt inverter outputs a clean sine on two hundred thirty volt for medical and IT gear.
  • Cycle-hardened Nightly discharge is what the twenty-five point six zero kilowatt hour LiFePO4 pack is made for.
  • Guarded cells A bespoke BMS fences off over-current and heat across the twenty-five point six zero kilowatt hour bank.
  • Hybrid charge Solar leads, grid tops up, generator rescues — one input handles all.
  • Add-on footprint The twelve kilowatt cabinet stacks beside the next, so the twenty-five point six zero kilowatt hour store grows without extra floor wiring.

Applications

  • Large residence: Stacked cabinets cover a villa or multi-room home, meeting the full twenty-five point six zero kilowatt hour demand from one tidy row.
  • Workshop & tools: A pure-sine twelve kilowatt feed starts saws and pumps cleanly, so the workshop runs as if wired to the grid.
  • Small business: Card readers, routers and display lights draw from the twelve kilowatt output, so trading never pauses for an outage.
  • Off-grid cabin: With no mains nearby, the battery and inverter keep a remote cabin lit and working through every nightly cycle.
  • Cold storage: Frozen and chilled goods stay safe on battery through a blackout, with the twenty-five point six zero kilowatt hour pack holding the cold.
  • Security & lighting: Surveillance, gates and yard lights stay on the battery through an outage, holding a site under watch.

Energy Management & System Architecture

The BMS is the brain: it matches the twelve kilowatt inverter to the twenty-five point six zero kilowatt hour cells, capping current and heat so the pack ages evenly across a long service life. Built as one block, the twelve kilowatt inverter and twenty-five point six zero kilowatt hour pack need no external combiner — the BMS already bridges them and logs health on the shared bus.

Grid-tied, surplus solar fills the bank at two hundred thirty volt; off-grid, the twelve kilowatt output runs the home while the BMS fences off any weak cell. It stores midday PV and releases it after dark on two hundred thirty volt; during a blackout the twelve kilowatt stage swaps in quickly and the BMS keeps every cell in bounds.

Grid, Backup & System Integration

Blackout response is measured in milliseconds: the twelve kilowatt stage pulls the twenty-five point six zero kilowatt hour bank online before most appliances notice. When the mains fails, the twenty-five point six zero kilowatt hour store carries the home with no manual switch, the twelve kilowatt stage holding two hundred thirty volt until power returns.

The BMS merges every stacked block into one virtual battery, so backup grows in step with the physical stack and the two hundred thirty volt feed stays unified. Multiple cabinets behave as one: the BMS sums their state of charge, so a growing stack needs no extra wiring or controller to act as a single backup source.

Warranty

We provide a 5-year warranty on the battery and a 2-year warranty on the inverter of this product. If you experience any quality issues within the warranty period, please contact us and we will arrange a replacement or repair promptly.

Frequently Asked Questions

Can several cabinets act as one?

Yes. The BMS sums every twelve kilowatt block into a single twenty-five point six zero kilowatt hour battery.

What voltage does it output?

A clean two hundred thirty volt sine wave suited to home and small-business loads.

How long is the twenty-five point six zero kilowatt hour pack good for?

Thousands of cycles of daily use across its service life.

Safe in a living space?

Yes. The BMS isolates faults; place it where air can move.

Expert Support

Our team of solar energy experts is ready to help you find the perfect solution for your needs.

Fast Response

We typically respond to all inquiries within 24 hours during business days.

Custom Solutions

Every project is unique. Let us design a solar solution tailored to your specific requirements.