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Four Ways to Stay Powered 24/7

K&S power unit intelligently draws energy from any available source and seamlessly switches between 4 charging methods to stay charged:

Grid Charging
Fast charging from any power outlet
Solar energy
MPPT controller for maximum efficiency
DC generator
Automatic start-up when the battery is discharged
External battery
Instant increase in capacity
Build Your Own Autonomous Energy Ecosystem
Efficient. Scalable. Self-managed.
Explore Compatible Solutions
Why Choose All-in-One Power Units?
From Stormy Nights to Off-Grid Weekends
When the lights go out at home, they instantly keep your essentials running — lights, refrigerator, Wi-Fi — without disruption. In your home office, they work as a silent UPS, protecting your workflow from sudden outages. Power a garden house or workshop far from the mains, running tools and lighting without noisy generators or long cables. And at a remote cabin, store solar energy by day and enjoy modern comfort at night — with automatic backup ready whenever nature needs a little support.

Technical Highlights

6000+ Charging Cycles

Each station comes equipped with an ultra-durable lithium iron phosphate battery (LiFePO₄) rated for 6,000+ cycles. That's over 10 years of daily use without significant capacity loss

Fast Charge

Charge up to 80% in as little as 1-2 hours. With dual input charging and an advanced MPPT controller, you can replenish the battery insanely quickly and be back to full power in no time

Plug-and-Play Expandability

The system grows with you. Hook up an extra external battery or even connect a second unit to double your capacity with minimal effort

Ultra-Fast UPS Switching (<10 ms)

In case of grid failure, power switches almost instantly. Your router, computer, server, smart home system won't even notice the outage and will be reliably protected

Smart BMS

Smart Battery Management System (BMS) is a multi-level battery monitoring system that controls charge level, temperature, charging speed, and capacity. It protects against faults like overcharging, and balances cells to ensure long, safe, and reliable operation

3-5.2kW Inverter Power

Delivering up to 3000W (3 kW) of continuous AC power for the 3000PS (and a massive 5200W for the 5200PS), these stations can handle heavy loads and sensitive appliances – everything runs just as if it were grid power

Dry Contacts & ATS

Dry contacts allow the power station to automatically signal a connected generator to start or stop when charging is needed. The ATS (Automatic Transfer Switch) instantly switches your home between grid and backup power in case of an outage

Products

Rated power, W 3000
AC output waveform Pure Sine Wave
Inverter output voltage 230 V ± 5 %
Frequency, Hz 50 (± 0.2)
Nominal built-in battery voltage, V 25.6
AC output conversion efficiency 90%
Battery capacity 125 Ah/3200 Wh
Battery type LiFePO₄ (lithium iron phosphate battery)
Lifecycle ≤ 6000* cycles
Uninterruptible Power Supply (UPS) +
Maximum discharge current, A 125
PV charging current, max, A 60
Maximum combined charging current, A 120
Maximum MPPT conversion efficiency up to 98%
Maximum open-circuit voltage of solar array, V 160
Solar array operating voltage range, V 30~128
Nominal AC input voltage, V 230
AC Input Voltage Range, V 90-280
Maximum AC input current, A 16
Power switching response time, ms 10 (UPS); 20 (VDE4105, Home, GEN)
AC output 4 × Schuko 230 V + rear terminal
DC output 2 × 12V DC5521
USB output 4 × Type A (5V/2A)
Type-C output 1 × Type C (5V/2A)
Operation temperature, °C 0 °C to 45 °C Charge, -10 °C to 60°C Discharge
Special features 24V DC output for generator or battery, Pure sine wave inverter, LiFePO₄ 3.2 kWh, MPPT controller, UPS < 10 ms, Tandem Power support, Fast charging up to 80 % in 1 hour, Overload and overheat protection, LCD monitor display, Wheels and handles for mobility
Includes Power Station, 230 V Power Cable, USB Cable for PC Connection, 2×Quick Plug Connectors, 2×MC4 Connectors, User Manual
Net dimensions (LxWxH), mm 445×280×510
Gross dimensions (LxWxH), mm 555×380×565
Net weight, kg 37
Rated power, W 5200
AC output waveform Pure Sine Wave
Inverter output voltage 230 V ±5 %
Frequency, Hz 50
Nominal built-in battery voltage, V 51.2
AC output conversion efficiency 90%
Battery capacity 100 Ah/5120 Wh
Battery type LiFePO₄ (lithium iron phosphate battery)
Lifecycle ≤ 6000* cycles
Uninterruptible Power Supply (UPS) +
Maximum discharge current, A 100
PV charging current, max, A 100
Maximum combined charging current, A 120
Maximum MPPT conversion efficiency up to 98%
Maximum open-circuit voltage of solar array, V 450
Solar array operating voltage range, V 150~430
Nominal AC input voltage, V 230
AC Input Voltage Range, V 90-280
Maximum AC input current, A 16
Power switching response time, ms 10 (UPS); 20 (VDE4105, Home, GEN)
AC output 4 × Schuko 230 V + terminal on the rear panel
DC output 2 × 12V DC5521
USB output 4 × Type A (5V/2A)
Type-C output 1 × Type C (5V/2A)
Operation temperature, °C 0 °C to 45 °C Charge, -10 °C to 60°C Discharge
Special features 48V DC output for generator or battery, Pure sine wave inverter, LiFePO₄ 5.12 kWh, MPPT controller, UPS < 10 ms, Tandem Power support, Fast charging up to 80 % in 1 hour, Overload and overheat protection, LCD display with parameter monitoring, Wheels and handles for transport
Includes Power Station, USB cable for PC connection, GX20 plug for ATS output, 2x120A plugs for 48VDC terminal, 2×MC4 connectors for photovoltaic input, User manual
Net dimensions (LxWxH), mm 485×280×630
Gross dimensions (LxWxH), mm 599×404×682
Net weight, kg 56

Popular Questions

The KS 3000PS delivers 3000W output, and the KS 5200PS delivers 5200W output.
That means:
3000PS → essentials: fridge, lights, router, TV, laptop, small appliances.
5200PS → heavier loads: power tools, larger kitchen equipment, multiple devices simultaneously.

Yes. It provides inverter-based clean AC power comparable to grid quality
More importantly, it features ultra-fast UPS switching (<10 ms), meaning:
Router won’t reboot
Computer won’t shut down
Smart home systems stay online
For home office or IT-heavy households, this is critical.

It uses LiFePO4 battery chemistry rated for 6000+ charge cycles
That translates to:
10+ years of daily cycling without major capacity loss
Much longer lifespan than standard lithium-ion systems

The system can reach 80% charge in 1–2 hours under optimal conditions
With solar (MPPT controller), it can also recharge very quickly in good sunlight

Yes. It supports:
Adding an external battery
Connecting a second unit to double capacity
This plug-and-play expandability makes it closer to a modular energy system than a fixed-capacity power station.

Yes. With ATS (Automatic Transfer Switch) and <10 ms UPS switching, the system:
Detects grid failure
Switches to backup power almost instantly
Keeps essential systems running without manual action

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