Quartet Electronics

• Wide Input Supply Range, Withstand 320Vac
• Protections - Short circuit / Over load / Over Voltage / Over Temperature • Battery Reverse Polarity Protection
• SMPS Based Design , CCCV Charging Profile
• Microcontroller Based Intelligent Design takes care of Battery    even though Battery in prolonged Deep discharged condition.
• Led Indications for Power On, Charging status in percentage • High efficiency, long life and high reliability
• Miniature size, high power density 

We are engaged in offering a wide range of Battery Chargers to our clients. Our range of all products is widely appreciated by our clients.

The Quartet 29.2V 3A XLR Lithium-Ion Battery Charger is a compact, reliable, and efficient charging solution designed specifically for 24V (8S) lithium-ion battery packs. Engineered for safety and long battery life, this charger is ideal for electric bikes, e-scooters, mobility equipment, and portable lithium battery systems.

Built with a robust metal enclosure and an industry-standard XLR output connector, the charger ensures secure connectivity, stable performance, and dependable operation in both commercial and industrial environments.

Key Features

• Output Voltage: 29.2V DC

• Output Current: 3A

• Battery Type: Lithium-Ion (8S configuration)

• Connector Type: XLR (safe and reliable connection)

• Charging Profile: CC-CV for optimal battery health

• High Efficiency: Low power loss and minimal heat generation

• Compact & Lightweight: Easy to carry and install

• Protections Included:

  • Over-voltage protection

  • Over-current protection

  • Short-circuit protection

  • Reverse polarity protection

Applications

• Electric bicycles (e-bikes)

• Electric scooters

• Lithium-ion battery packs

• Portable energy storage systems

• Custom OEM battery solutions

Build & Reliability

• Rugged metal enclosure for durability

• Designed for continuous and long-term usage

• Manufactured with high-quality components under strict quality control

Quartet Electronics chargers are trusted for their performance, safety, and customization capability, making this 29.2V 3A XLR charger a dependable choice for lithium-ion battery charging needs.

Hero Electric Optima Bike Lion Battery Charger - 58.4V 6A XLR Connector (Quartet Make)

The Hero Electric Optima Bike Lion Battery Charger by Quartet Electronics is a high-performance charging solution designed specifically for Hero Electric Optima bikes with lithium-ion batteries. This advanced charger combines efficiency, reliability, and convenience, making it an ideal choice for daily use.

Key Features:

• Voltage and Current Output: Precisely engineered for a charging output of 58.4V and 6A, ensuring optimal battery life and performance.
• Connector Type: Equipped with a durable and secure XLR connector, offering a stable and reliable connection.
• Compact Design: Lightweight and portable, making it easy to carry and store, ideal for home or on-the-go charging.
• High Efficiency: Designed to provide fast and efficient charging while minimizing energy consumption.
• Safety Features: Built-in protections against overvoltage, overcurrent, overheating, and short circuits to safeguard your battery and charger.
• Durable Construction: Manufactured with high-quality materials to withstand regular use and varying environmental conditions.
• Compatibility: Perfectly suited for lithium-ion batteries used in Hero Electric Optima bikes.

Technical Specifications:

• Input Voltage: 230V AC ±10%, 50Hz
• Output Voltage: 58.4V DC
• Output Current: 6A
• Connector Type: XLR
• Material: Sturdy and heat-resistant enclosure
• Weight: Lightweight for portability

Why Choose Quartet Make?

Quartet Electronics is renowned for manufacturing top-quality, reliable, and efficient EV charging solutions. With a focus on innovation and customer satisfaction, our chargers are trusted by leading electric bike manufacturers.

Ensure your Hero Electric Optima bike is always ready for the road with the Quartet 58.4V 6A Lion Battery Charger.

Quartet 8S LFP 29.2V 5A Battery Charger

Reliable. Efficient. Safe.

The Quartet 8S LFP 29.2V 5A Battery Charger is a compact, high-efficiency lithium iron phosphate (LiFePO₄) charger designed for 8-cell battery packs. Engineered for consistent performance, it ensures precise voltage regulation and reliable charging with built-in protection features that prioritize battery health and user safety.

Key Features:

• Output Voltage: 29.2V DC (Ideal for 8S LFP battery packs)

• Output Current: 5 Amps – suitable for fast and safe charging

• Battery Type: Lithium Iron Phosphate (LiFePO₄)

• Input Voltage: 100–265V AC, 50/60Hz (Universal input)

• Charging Algorithm: Constant Current / Constant Voltage (CC/CV)

• Safety Features:

  • Over-voltage protection

  • Over-current protection

  • Short-circuit protection

  • Reverse polarity protection

  • Thermal protection with auto-recovery

• LED Indicators: Charging and Full status

• Cooling: Intelligent fan-based cooling for thermal stability

• Build: Rugged aluminum body for long-term durability

• Applications: E-bikes, e-cycles, portable equipment, energy storage packs, robotics, etc.

Why Choose Quartet?

As a trusted name in smart power solutions, Quartet Electronics ensures all chargers are rigorously tested and built to last, providing reliable performance across industrial and commercial applications.