Quartet Electronics

• Wide Input Supply Range, 
• Withstand 500Vac 
• Protections - Short circuit / Over load / Over voltage / Rev. Polarity 
• SMPS Based Technology 
• Three Stage Charging Profile 
• Auto Selection of Float and Boost Mode Led Indication For Mains On, Float, Boost, Batt. Rev. 
• High efficiency, long life and high reliability 
• Miniature size, high power density.

The B 90-12 Quartet 12V 6A SMPS Battery Charger is a compact, reliable, and efficient genset-type battery charger designed for continuous charging and maintenance of 12V lead-acid batteries used in diesel generator (DG) sets. Built with advanced SMPS technology, it ensures stable output, high efficiency, and long battery life even under harsh operating conditions.

This charger is ideal for standby and float charging applications, keeping the genset battery always ready for instant engine start. Its rugged industrial design makes it suitable for telecom sites, industrial gensets, commercial buildings, hospitals, and infrastructure projects.

• SMPS-based design for high efficiency and low power loss

• 12V DC output, 6A charging current – optimized for genset batteries

• Automatic float charging to prevent overcharging

• Wide AC input range for stable operation during voltage fluctuations

• Compact and lightweight construction for easy panel mounting

• Low ripple & noise, enhancing battery life

• Maintenance-free operation, ideal for 24×7 standby use

• Short-circuit protection

• Over-voltage protection

• Over-current protection

• Thermal protection

• Diesel generator (DG) sets

• Industrial and commercial gensets

• Telecom and utility backup systems

• Control panels and power backup systems

The B 90-12 Quartet 12V 6A Genset Battery Charger delivers dependable performance, extended battery life, and peace of mind, making it a trusted choice for critical power backup applications.

The Industrial Battery Charger 24V 10A is a robust and reliable charging solution designed for continuous-duty industrial applications. Engineered for stable performance and long service life, this charger is ideal for charging 24V lead-acid battery banks used in control panels, industrial machinery, backup power systems, telecom equipment, and automation systems.

• Rated Output: 24V DC, 10A

• High Reliability: Designed for 24×7 industrial operation

• Smart Charging: Float / Boost charging to enhance battery life

• Protections: Short-circuit, overload, reverse polarity, and over-voltage protection

• Rugged Construction: Heavy-duty metal enclosure suitable for harsh environments

• High Efficiency: Low ripple and noise for safe battery charging

• Thermal Protection: Built-in cooling and thermal shutdown for safety

• Industrial control panels

• Genset starting batteries

• Telecom and UPS systems

• Solar and backup power systems

• Automation and instrumentation equipment

• Ensures fast and safe charging

• Improves battery lifespan

• Minimizes maintenance and downtime

• Suitable for both industrial and commercial use

This 24V 10A Industrial Battery Charger is a dependable power solution for demanding environments where performance, safety, and durability are critical.

• Quartet Industrial Battery Charger – 12V 10A (Lead Acid)

  The Quartet 12V 10A Industrial Battery Charger is a robust, SMPS-based charging solution engineered for reliable and efficient charging of 12V lead-acid batteries in industrial and commercial environments. Designed with high-quality components and advanced protection features, this charger ensures long battery life, stable performance, and safe operation under demanding conditions.

  Built for continuous duty applications, the charger delivers precise voltage regulation and controlled current output, making it ideal for stationary batteries, control panels, gensets, industrial machinery, and backup power systems.

  Key Features

  • Compatible with 12V Lead Acid Batteries (SMF, VRLA, Tubular, Flooded*)

  • High-Efficiency SMPS Design for low power loss and compact size

  • Constant Current (CC) & Constant Voltage (CV) charging profile

  • Rugged construction for industrial use

  • Low ripple & noise, ensuring battery safety and reliability

  • Suitable for continuous operation

  Protections

  • Short Circuit Protection

  • Over Voltage Protection

  • Over Current Protection

  • Thermal Protection

  Applications

  • Industrial Control Panels

  • Genset Battery Charging

  • UPS & Backup Power Systems

  • Telecom & Instrumentation Systems

  • Automation Panels and Equipment

  Why Choose Quartet

  • Designed & manufactured in India

  • Proven reliability in industrial environments

  • Customization available as per application

  • Strong after-sales technical support

  Quartet – Your Partner in Electronics.

The Generator Battery Charger from Quartet Electronics is a rugged and reliable power solution designed to keep generator starting batteries in optimal condition. It is specially engineered for continuous operation in harsh industrial and outdoor environments, ensuring instant and trouble-free generator start-up at all times.

This charger provides automatic charging and float mode operation, preventing battery overcharging while maintaining full charge during standby conditions. It is suitable for lead-acid batteries commonly used in diesel and gas generator sets.

Built using high-efficiency SMPS technology, the charger delivers stable output voltage with low ripple, improving battery life and reducing maintenance. Comprehensive protection features such as short-circuit, reverse polarity, overload, and thermal protection ensure safe and reliable performance even under demanding conditions.

The compact metal enclosure allows easy panel or wall mounting inside generator control panels. The charger is ideal for use in DG sets, telecom shelters, industrial backup systems, hospitals, data centers, and infrastructure projects where uninterrupted generator readiness is critical.

Key Benefits:

• Automatic charging with float mode

• Maintains generator battery health and life

• Continuous duty operation (24×7)

• High efficiency, low power loss

• Industrial-grade protections

• Suitable for harsh environments

Applications:

• Diesel Generator Sets (DG Sets)

• Telecom Towers

• Industrial Backup Power Systems

• Hospitals & Data Centers

• Infrastructure & Utility Projects

Features:
•Three Stage Charging.                       
•Universal InputSupply Range •AutomaticSelectionofFLOATandBOOSTmode •Protections:ShortCircuit /Over load /OverTemperature
•Battery Reversepolarity protection.
•LED Indicationfor Float,BoostandBattery Rev.Polarity •100%FullLoad Burnin test
 •High reliability.

The Quartet 12V 10A Float Cum Boost Battery Charger is a robust and reliable charging solution designed for 12V lead-acid batteries used in industrial, automotive, backup power, and genset applications. Engineered for continuous and heavy-duty operation, this charger intelligently combines Boost charging for fast battery recovery with Float charging to maintain the battery at optimal voltage without overcharging.

• Float Cum Boost Charging Mode
  Automatically switches between boost mode (for quick charging) and float mode (for battery maintenance), ensuring longer battery life.

• Stable 12V DC Output @ 10A
  Provides consistent and regulated output suitable for lead-acid batteries.

• Industrial-Grade Design
  Rugged metal enclosure suitable for harsh industrial environments.

• Built-in Protections
  Protection against short circuit, overload, reverse polarity, and overvoltage.

• High Reliability
  Designed for 24x7 operation with minimal maintenance.

• LED Status Indication
  Clear visual indication for charging, float, and fault conditions (model dependent).

• Genset battery charging

• Inverter & UPS systems

• Automotive & industrial batteries

• Telecom & control panels

• Emergency backup systems

• Input Voltage: 230V AC, 50Hz

• Output Voltage: 12V DC (Float & Boost)

• Output Current: 10A

• Battery Type: Lead-Acid (SMF / Tubular / Flooded)

• Cooling: Natural / Forced air (as per design)

• Mounting: Wall / Panel mount

Quartet battery chargers are designed with a strong focus on performance, safety, and durability, making them a trusted choice for industrial and commercial power solutions.

QUARTET SMPS BATTERY CHARGER – 24V 25A
Model: B700 | Input: 230VAC | Output: 24VDC 25A

The Quartet 24V 25A SMPS Battery Charger is a compact and reliable charging solution designed for industrial and commercial applications. It features an efficient switch mode power supply (SMPS) design that ensures consistent charging performance with safety and durability.

Key Features:

• Input Voltage: 170–270V AC

• Output Voltage: 24V DC

• Output Current: 25A

• Reverse Battery Connection Protection (B REV indicator)

• Boost / Float Auto Charging Modes

• LED Indicators: B-REV, BOOST, FLOAT, POWER ON

• Rugged Metal Body with "Make in India" Branding

• Heavy-duty screw terminals for secure connections

• Built-in protections: Overload, Over-voltage, Short-circuit

• Industrial-grade performance, suitable for continuous use

Applications:
✔️ Genset battery charging
✔️ Industrial battery banks
✔️ Automation panels
✔️ Solar systems (as compatible backup charger)
✔️ Inverter and UPS battery support

Manufactured by Quartet Electronics, Pune – trusted for reliable and durable power electronics.

Ensure reliable and efficient charging for your generator batteries with our 12V 10A Generator Battery Charger, specially designed for 100Ah lead-acid batteries. Built for durability and consistent performance, this charger is ideal for industrial, commercial, and residential generator systems.

• Input Voltage: 180–270V AC, 50/60Hz

• Output Voltage: 12V DC

• Charging Current: 10 Amps (suitable for 100Ah battery)

• Battery Type Supported: Lead-Acid (SMF/Flooded)

• Charging Method: CC-CV (Constant Current – Constant Voltage)

• Full Charge Cutoff: Automatic charging cutoff at 14.4V

• Protections: Overload, Short Circuit, Reverse Polarity, Overvoltage

• Cooling: Natural Air Cooled / Optional Fan Cooled

• Indicator: LED indications for Power ON and Charging Status

• Housing: Rugged metal body for long life and heat resistance

• Mounting: Wall/DIN Rail mounting options available

• Diesel Generator Battery Charging

• Industrial Backup Systems

• Residential Power Backup Units

• AMF Panels

• Designed for 24/7 operation in harsh environments

• Precision regulated output ensures battery longevity

• Simple plug-and-play installation

• Compact and reliable with low maintenance needs

The QUARTET 12V 25A SMPS Battery Charger is a high-performance, compact, and reliable solution for charging 12V lead-acid batteries in demanding environments such as generator systems, control panels, and industrial applications. With state-of-the-art SMPS technology, it delivers stable output, fast charging, and high efficiency, even under fluctuating power conditions.

• Input Voltage: 170 – 270V AC, 50Hz

• Output Voltage: 12V DC

• Output Current: 25 Amps Continuous

• Battery Type Compatibility: 12V Lead Acid (SMF, Tubular, Flooded)

• Charging Method: Constant Current – Constant Voltage (CC–CV)

• Efficiency: >88% with minimal power loss

• Cooling: Smart fan-based active cooling

• Indications: LED for Power ON, Charging, Fully Charged, and Fault

• Built-in Protections:

  • Overload Protection

  • Short Circuit Protection

  • Reverse Polarity Protection

  • Output Overvoltage Protection

  • Thermal Cutoff

• Diesel Generator Starter Battery Charging

• AMF Panels & Auto Start Systems

• Control Panel Backup Systems

• Power Backup & Utility Systems

• Battery Banks up to 250Ah

• Compact & Lightweight SMPS Design

• Noise-free, Highly Durable

• 100% Tested for Field Conditions

• Designed for Continuous 24/7 Operation

• Proudly Made by Quartet Electronics, Pune