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| Specification Attribute | Technical Detail |
| Brand | Smarten |
| Series / Range | Bravo Series |
| Model / Item Designation | BRAVO 3500 |
| Product Type | Heavy-Duty Pure Sine Wave Home UPS / Inverter |
| Generic / Common Name | 48V Home UPS / Sine Wave Inverter / Commercial Backup Station |
| Nominal Capacity | 3500 VA |
| Operating DC Battery Voltage | 48 V DC (Requires 4 x 12V Batteries in Series) |
| Output Waveform | Pure Sine Wave (Noiseless, Motor-Safe) |
| Control Architecture | Micro-Controller-Based Digital Design |
| Charging Performance | Multi-Stage Intelligent Fast Battery Charging |
| Protection Systems | Deep Discharge Protection, Ultra-Fast Short-Circuit Trip, Overload Protection & Thermal Cutoff |
| Thermal System | Intelligent Dynamic Thermal Management |
| Battery Compatibility | Tall Tubular, Flat Plate & Sealed Maintenance Free (VRLA / SMF) |
| Target Power Systems | Multi-Story Buildings, Commercial Showrooms, Healthcare Clinics, Corporate Offices & Data Centers |
| Best Used For | Water Pumps, Deep Freezers, Multiple Refrigerators, IT Server Rooms & Whole-House Centralized Power Backup |
High-Capacity 3500VA Pure Sine Wave Engine: Generates clean, noiseless grid-quality power across a 48V platform to run heavy inductive machinery, water pumps, freezers, and sensitive IT servers smoothly without overheating.
Efficient 48V DC Battery Architecture: Operates with four 12V batteries connected in series, lowering internal cable resistance, minimizing energy loss, and delivering exceptional thermal stability during continuous operation.
Intelligent Fast-Charging Micro-Controller: Features multi-stage adaptive charging technology that accelerates battery replenishment during brief grid supply windows while preserving electrode health.
Comprehensive Deep-Discharge Protection: Actively safeguards the entire 48V battery bank from damaging over-discharge states, substantially extending the cyclic life of connected tubular and SMF cells.
Active Thermal & Short-Circuit Safeguards: Incorporates dynamic cooling management alongside ultra-fast short-circuit, overload, and reverse connection trips for reliable, uninterrupted operation across Nepal.