Charger QOLTEC for ebike Bosch 50762 36V/42V 2A

QOLTEC Charger for ebike Bosch 50762 is a dedicated charger compatible with Bosch e-bike battery systems, offering selectable 36V and 42V output at 2A charging current. It is designed for routine charging and maintenance of compatible Bosch batteries and provides steady, controlled charging suitable for overnight top-ups and regular use at home or in a workshop charging station.

Advantages

The charger delivers a stable 2A current with selectable voltage modes to match 36V and 42V battery configurations, reducing the risk of overcurrent and ensuring balanced charging. Its compact form factor and standard connector compatibility make it easy to store and transport. Built-in safety features such as short-circuit protection, over-voltage protection and thermal management provide reliable operation during repeated charging cycles.

Suitable for

• Charging and maintaining Bosch-compatible e-bike batteries with 36V or 42V nominal voltage
• Overnight top-ups to keep battery charge levels optimal between rides
• Home and workshop charging stations where steady 2A charging is sufficient
• Routine battery maintenance to support long-term battery health

Key specifications

• Output voltages: selectable 36V and 42V
• Charging current: 2 A nominal
• Input: designed for standard mains supply (country-specific mains compatibility depends on local plug version)
• Safety features: over-voltage protection, short-circuit protection, thermal management
• Form factor: compact external charger suitable for bench or wall placement
• Connector: compatible with Bosch e-bike battery charging port (standard type for compatible models)

How to use

Before first use, confirm battery compatibility with the charger's selectable 36V and 42V output. Connect the charger to the mains supply using the appropriate local power lead, then attach the charger connector to the e-bike battery until it seats securely. Select the required output voltage if the charger offers a manual selector; otherwise, allow the charger to negotiate the correct mode with the battery. Monitor the battery status indicators while charging and disconnect once charging is complete. Allow the charger to cool between extended charging sessions.

Recommendations

For best results, use the charger in a dry, well-ventilated area at room temperature and avoid exposing the unit or battery to rain or extreme temperatures. Regularly inspect the connector and cable for damage and replace defective components. Use the charger for intended Bosch-compatible batteries only and follow battery manufacturer guidance for charging cycles and storage to prolong battery life.