The Varta QUATRO 57652 Battery Charger is a reliable and compact USB-powered device designed for efficient charging of NiMH AA and AAA rechargeable batteries. With a focus on simplicity and usability, this charger is perfect for households and portable gadget users.

Key Features:

• Battery Types: Supports NiMH AA (R6) and AAA (R03).
• Charging Capability: Charges 1 to 4 batteries independently.
• LED Indicators: Each slot has an LED that indicates charging status.
• Built-in Safety Features: Wrong polarity protection, short circuit prevention, and overcharge protection.

This charger uses a processor-controlled CC charging method, ensuring safe and effective charging. The charging currents are optimized at 300 mA for AA batteries and 120 mA for AAA batteries, making it efficient for regular use.

Additionally, it includes a micro USB input for easy connection to various USB power sources. The compact design ensures that it is not only portable but also durable for everyday tasks.