Okaya 3500VA 48V MPPT Solar PCU | Off-Grid Inverter with Dual Interleaved MPPT | High Load Efficiency
The Okaya 3.5KVA-48V Solar PCU is engineered for homes and offices that require a dependable solar power solution with more runtime and load support. The system's Dual Interleaved MPPT (DiM) technology ensures precise solar tracking for better charging performance, even in partial shade. The 48V battery configuration enhances backup duration and overall system efficiency. It is equipped with true sine wave output, making it suitable for sensitive electronics. Its sturdy construction, wide battery compatibility, and robust safety features ensure reliable performance for medium-load applications in off-grid or semi-urban environments.
Higher Solar Generation – Advanced MPPT technology ensures superior energy conversion.
Smart Solar Optimization – RTC intelligence for real-time efficiency adjustments.
Dual-Channel Interleaved MPPT – Enhanced power tracking for optimized performance.
Smart Grid Power Savings – Reduce dependence on the grid and maximize solar utilization.
Adaptive Power Priority & Charging Control – Intelligent power management for all-season efficiency.
Intelligent-Power Saver Mode – Optimized energy consumption for long-term savings.
Technology: Dual Interleaved MPPT
VA: 3500
Volt: 48V
Warranty (months): 36
Dimensions (mm): 276x414.8x369.1
Display (LED) Indicator: Mains On, UPS On, SMF Battery, Battery Charging, Overload, Low Battery, and Short Circuit/Fault
Alarms: Low Battery, Overload, and Short-Circuit/Faults
Certifications: BIS Certified, ISO Certified, and CE Certified
At 3.5kVA and above, a 48V battery bank halves the current compared to 24V for the same power, cutting cable heat loss and allowing the 4-battery configuration to deliver 4900–5360W of PV capacity efficiently — the voltage step-up is an engineering necessity at this scale, not a marketing choice.
At this PV capacity (4900–5360W), a PWM controller's efficiency losses compound significantly — losing even 15–20% of nearly 5kW of solar generation is a meaningful amount of wasted energy daily. Okaya's DiM technology here is rated up to 98% efficient, which is why MPPT becomes the standard choice once you're past the entry tier.
Dual Interleaved MPPT tracks each input channel's power point independently, so if part of your array is shaded by a tree or chimney at certain times of day, the unshaded panels still contribute their full output rather than the whole string being pulled down.
PV output current up to 105A — among the faster charging rates in Okaya's mid-range lineup, useful for recovering quickly after consecutive low-sunlight days.
84–195V — if you're wiring multiple panels in series for a 48V system, confirm your combined open-circuit voltage falls in this range before installation.
36 months, with BIS, ISO, and CE certification.
At OKAYA, we offer a wide range of power solutions for various applications. Take a look today!