24V System18A MPPT
24V Hybrid Solar System
Demuda DFHY-4.2KW
A 4.2kW grid-hybrid unit for a 3-bedroom home looking to slash daytime electricity bills — routes up to 5,000W of solar panels at 500V Voc into the home while the grid handles overnight loads. The 18A battery charge current limits off-grid autonomy, so this unit excels in grid-connected setups rather than pure off-grid installations.
Power
4.2 kW
Battery
24 V
Charge
18 A
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Technical Blueprint
Deep dive into the electrical capabilities of the Demuda 4.2kW series.
Solar & PV Input
- Max Array
- 5,000 W
- Max Voltage
- 500 V
- MPPT Range
- 120–500V
- MPPT Current
- 18 A
AC Output Specs
- Rated Output
- 4,200 W
- Voltage
- 90–280V
- Waveform
- Pure Sine
Battery Logic
- Chemistry
- Lithium / Lead-Acid
- Nominal V
- 24 V
- Max Charge
- 18 A
Build Quality
- Net Weight
- 8.73 kg
- Dimensions
- 300×470×110 mm
Wiring Specs
Breaker rating and wire gauge for every run on the Demuda 4.2kW — sized at its rated output.
Battery breaker
225A DC
Battery cable
3/0 AWG
AC load breaker
25A AC
PV cable
10 AWG
What can it actually
run?
Most people buy these for brownouts or bill reduction. Here is a realistic scenario of a 4,200W unit supporting a typical Filipino household's daytime loads.
Total DemandActive Load
1,741W
Safezone: you still have 2,459W headroom for surges (pumps, kettles, etc.)
LED bulb (14×)
126W
Electric fan (5×)
300W
LED/Smart TV
150W
Laptop charger
65W
Smartphone charger (5×)
50W
Refrigerator – i…
250W
Water dispenser
80W
Wi-Fi router
20W
Desktop PC with …
300W
Air cooler
400W
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Deep Knowledge Base
Don't just buy a box. Understand how your solar ecosystem works with our dedicated Filipino solar guides.
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