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| Specification Attribute | Technical Detail |
| Brand | Smarten |
| Series / Range | Saver Solar PCU Series |
| Model / Item Designation | SAVER 900 (900VA / 12V) |
| Product Type | Pure Sine Wave Hybrid Solar PCU (Power Conditioning Unit) |
| Generic / Common Name | 900VA Solar Inverter / 12V Solar PCU / Home Solar UPS |
| Rated Capacity | 900 VA |
| System DC Battery Voltage | 12 V DC (Single Battery Operation) |
| Output Waveform | Pure Sine Wave (Noiseless, Motor & Appliance Safe) |
| Output Voltage & Frequency | 220V AC ± 5% | 50 Hz ± 0.2 Hz |
| Solar Charge Controller | Built-in Advanced PWM (Pulse Width Modulation) |
| Solar Priority Logic | Solar Priority over Utility Grid Power |
| Mains AC Input Window | 90V AC – 290V AC (Active Smart Charging down to 90V) |
| Deep Discharge Recovery | Integrated Recovery Circuitry (Revives from Zero Volt & Zero Gravity) |
| Operational Modes | Selectable UPS Mode (IT / Computer Safe) & WUPS Mode (Wide Window) |
| Battery Chemistry Support | Flat Plate, Tall Tubular & Sealed Maintenance Free (VRLA / SMF) |
| Hardware & Circuit Protections | Triple MCB Protection (Mains, Solar & Battery), Back-feed, Phase-to-Phase, Short-Circuit & Overload |
| User Interface / Display | Multi-Parameter LCD Display (Mains Availability, Battery Status, Solar Status) |
| Target Power Systems | Residential Setups, Retail Counters, Small Clinics & Home Workstations Across Nepal |
| Best Used For | Juicer Mixers, LED TVs, Laptops, Ceiling Fans & Lowering Grid Electricity Costs |
Integrated PWM Solar Charge Controller: Incorporates an advanced solar charge controller that automatically prioritizes clean solar harvesting over grid power to slash household electricity expenses.
Clean Pure Sine Wave Output: Produces smooth, grid-grade 220V AC power that operates juicer mixers, LED televisions, laptop power adapters, and fans without humming noise or thermal wear.
Single 12V Battery Architecture: Engineered for maximum cost-efficiency and straightforward maintenance, fully compatible with 12V Flat Plate, Tall Tubular, and sealed VRLA/SMF batteries.
Zero-Volt Battery Recovery & 90V Low-Voltage Charging: Features dedicated internal recovery circuitry to rescue deeply drained batteries from zero volts and zero gravity, with active charging down to 90V mains input.
Multi-Layer Circuit Protections & Clear LCD Display: Equipped with dedicated MCB isolation across mains, solar, and battery inputs, backed by a visual LCD tracking live power conditions and selectable UPS/WUPS modes.