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| Specification Attribute | Technical Detail |
| Brand | Smarten |
| Series / Range | Savior PWM Solar Charge Controller Series |
| Model / Item Designation | SAVIOR PWM 50A / 24V–48V |
| Product Type | PWM Solar Charge Controller & Inverter Retrofit Conversion Unit |
| Generic / Common Name | 50A PWM Solar Charge Controller / Solar Inverter Conversion Kit / High-Capacity Charge Regulator |
| Maximum Rated Charging Current | 50 Amperes (50A) |
| Charge Controller Technology | Advanced PWM (Pulse Width Modulation) |
| System Voltage Compatibility | Smart Auto-Detect 24V DC / 48V DC |
| Supported Battery Count | 2 Batteries (24V System) or 4 Batteries in Series (48V System) |
| Depth of Discharge (DOD) Controls | 4 User-Selectable Discharge Levels (20%, 30%, 40%, 50%) |
| Grid Management Feature | Smart Grid Control (Prioritizes Solar Over Grid to Save Electricity) |
| Battery Types Supported | Flat Plate, Tall Tubular & Sealed Maintenance Free (VRLA / SMF Lead-Acid) |
| Integrated Protections | Reverse PV Polarity, Battery Low, Battery Deep Discharge & High Temperature Cutoff |
| Display Interface | Multi-Parameter LCD Display (Charging Status, Charging Source, Battery Type) |
| Mounting & Form Factor | Wall Mounting Compatible Enclosure |
| Target Applications | Multi-Story Homes, Commercial Shops, Healthcare Clinics & Inverter Upgrades Across Nepal |
| Best Used For | Converting 24V/48V Inverters into Solar PCUs, Reducing Commercial Bills & Battery Life Extension |
Converts Standard Inverters into Solar Systems: Advanced PWM retrofit controller upgrades standard 24V and 48V non-solar commercial inverters into intelligent solar backup setups, maximizing solar energy utilization.
Smart Auto-Detect 24V/48V Voltage Sensing: Automatically detects connected 24V dual-battery or 48V four-battery systems, ensuring accurate multi-stage charging configuration across Flat Plate, Tall Tubular, and SMF batteries.
Intelligent Grid Control for Maximum Savings: Automatically switches between solar and utility grid power to prioritize solar energy utilization whenever available, reducing mains power consumption and cutting utility bills.
Customizable 4-Level Depth of Discharge (DOD): Features four user-selectable discharge thresholds (20%, 30%, 40%, 50%) to prevent excessive battery depletion and prolong battery bank life.
User-Friendly Digital LCD & Complete Protection: Integrated digital display clearly indicates charging status, charging source, and battery type, backed by comprehensive protection against reverse PV, low battery, deep discharge, and over-temperature.