DC UPS Solutions

Thyristor Battery Chargers – Uninterrupted Power, Unmatched Reliability

At Chhabi Electricals, we recognize that your operations demand unwavering power continuity. That’s why our DC UPS solutions are engineered to deliver reliability, precision, and intelligent control—ensuring your business never skips a beat. Whether you need rugged simplicity or smart, adaptive power management, we have the right solution tailored to your needs.

Agile Alpha Series

Intelligent Power for the Digital Age
When real-time insights and smart control matter, the Agile Alpha Series acts as your 24/7 power guardian. More than just a charger, it optimizes performance, prevents failures, and keeps you in command with advanced monitoring and automation

24–360 VDC

Up to 3000 A

DSP-based closed-loop control

Lead-acid • VRLA • Ni-Cd • Li-ion

Uninterrupted Power for Every Application

The Agile Alpha Series brings digital intelligence to DC UPS charging. It combines precision power regulation with real-time monitoring, predictive diagnostics, and adaptive charging modes. Designed for mission-critical applications, it ensures consistent power quality while extending battery life and reducing downtime

Precision Control

DSP/microcontroller closed-loop control ensures ±1% regulation accuracy.

Intuitive HMI

7-inch LCD/touchscreen for live data, alarms, and mode visualization.

Predictive Diagnostics

Monitors 25+ parameters (ripple, harmonics, battery impedance).

Adaptive Charging

Auto-switches between Float/Boost/Equalize with temperature compensation.

Seamless Integration

Supports Modbus RS-485, RS-232, TCP/IP, Profibus; remote read/write facility

Technical Specifications

Electrical
Specification Details
Input AC Supply 415 V AC ±10%, 3PH, 3/4 Wire, 50Hz or 60Hz ±5% or 230V AC ±10%
DC Output Voltages 24V, 48V, 110V, 125V, 220V, 360V
DC Output Current Range 5A – 3000A (other ratings on request)
Applicable Standards IS 4540, IEC 146 (as applicable)
Quality Standard ISO 9001, ISO 14001, ISO 45001 & ZED (Zero Defects Zero Effects) certified
Supported Battery Types Lead Acid, VRLA (Valve Regulated Lead Acid), Nickel Cadmium, Li-Ion
Charging Characteristics Constant Current, Constant Voltage (CC-CV)
Cell Configuration 24V: LA/VRLA (11–13 cells), NiCd (19–21 cells)
48V: LA/VRLA (23–25), NiCd (38–41)
110V: LA/VRLA (53–56), NiCd (85–87)
125V: LA/VRLA (62), NiCd (98–100)
220V: LA/VRLA (108–111), NiCd (169–176)
360V: LA/VRLA (180), NiCd (278–284)
DC Output Voltage Float Mode: LA 2.15–2.2 VPC, VRLA 2.15–2.25 VPC, NiCd 1.40–1.42 VPC
Boost Mode: LA 2.65–2.75 VPC, VRLA 2.3–2.35 VPC, NiCd 1.65–1.7 VPC
Voltage Regulation ±1% (0–100% load, float mode)
Current Variation Adjustable 10%–100% (boost mode)
Current Limit 105% of rated current (float mode)
DC Current Regulation ±2% (boost mode)
Magnetics Isolation transformer / Filter choke
Insulation Class F, Temperature rise: 90°C (for magnetics)
High Voltage Withstand 2.5 kV for 1 min
Rectifier Type Fully controlled bridge (6/12/24 pulse thyristor)
Output Ripple ≤1% RMS / 2% RMS / 3% RMS or Peak to Peak (without battery connected)
Efficiency ≥80% at full load (110V, 220V, 360V models)
≥70% at full load (24V, 48V models)
Category Details
Output DC Voltmeter, DC Ammeter
Battery DC Voltmeter, DC Ammeter
Input AC Voltmeter, AC Ammeter (optional)
Display Through LCD / Touchscreen
Protection Feature Details
Thyristor Protection Fuse Provides safety for thyristors against faults
Soft Start Prevents inrush currents during startup
Electronic Current Limit Restricts current to safe operating levels
Phase Protection Phase sequence reversal & phase failure protection
Category Details
Alarms / Annunciations
  • LED Annunciations
  • Window Annunciation
  • Digital & Analog combined Annunciations (DAA – Chhabi make)
Status Indications Relay Contacts: Potential free (optional)
Communication RS485 (optional)
Specification Details
Construction Folded sheet MS, powder coated (Paint Shade – Customizable)
Sheet Thickness Frame (Load bearing members) – 2 mm, Panels (Non-load bearing members) – 1.6 mm
Cable Entry Bottom (top on request)
Panel Access Front & rear; Only front on request
Terminal Arrangement Back side
Enclosure Protection IP20 / IP31 / IP42 (others i.e. IP5x on request)
Cooling Natural air cooling / Forced air cooling
Noise Level 70 dBA (natural) / 80 dBA (forced cooling)
Installation Indoor, floor mounting, self-standing
Condition Details
Temperature 0°C to +50°C
Humidity ≤95% RH (non-condensing)
Altitude ≤1000m above MSL

Why Choose Chhabi for Your UPS Needs?

More than just power backup — we deliver engineering reliability, tailored solutions, and unmatched service that keeps your business running 24/7.

Real Impact, Proven Results

Explore how Chhabi Electricals has delivered end-to-end electrical solutions across industries — improving uptime, optimizing energy use, and enabling scalable infrastructure.

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