Battery charger Varta Eco Charger Pro — USB, NiMH, charges 4 AA/AAA, 1 h, grey

Varta Eco Charger Pro is a compact USB-powered charger for Nickel‑Metal Hydride (NiMH) household batteries. It charges up to four AA or AAA cells and delivers a typical full charge in about 1 hour. The charger housing is made from 75% recycled materials and comes with a USB‑C cable and a green LED charge indicator. Safety features include minus delta‑V cut‑off, safety timer, short‑circuit protection, alkaline and bad‑cell detection, wrong polarity protection and a trickle charge function for optimized results.

Advantages

The product combines fast charging with sustainability by using a housing made from 75% recycled material while retaining comprehensive safety controls. Single‑slot charging allows flexible charging of individual cells, and USB‑C power input makes the charger compatible with modern power sources. Its compact grey design and included cable suit both home use and travel.

Suitable for

• Charging AA NiMH household batteries
• Charging AAA NiMH household batteries
• Quick top‑ups before travel or events
• Household devices that require rechargeable batteries (remote controls, toys, flashlights)

Key specifications

• Brand: Varta
• Model: Eco Charger Pro (MPN 57683101111)
• Compatible battery chemistries: Nickel‑Metal Hydride (NiMH)
• Supported battery sizes: AA, AAA
• Number of batteries supported: up to 4
• Typical charge time: 1 hour (per cell)
• Power source type: USB‑C input (USB cable included)
• Safety features: minus delta‑V cut‑off, safety timer, short‑circuit protection, alkaline and bad cell detection, wrong polarity protection
• Trickle charge: yes
• Housing material: 75% recycled materials
• Colour: Grey
• Dimensions (approx.): 73.5 × 28.1 × 125.5 mm
• Weight (approx.): 0.091 kg

How to use

Connect the included USB‑C cable to a suitable USB power source. Insert up to four AA or AAA NiMH batteries in the correct polarity. The green LED indicates charging status. For single slot charging, place only the cells you want to charge in the available slots. The charger applies its safety and detection routines automatically; remove batteries once charging is complete or when the device indicates a full charge.

Recommendations

Use with Nickel‑Metal Hydride (NiMH) rechargeable AA or AAA batteries only. Do not attempt to charge disposable alkaline batteries. Use a compliant USB power adapter that provides stable power. Store and operate the charger in dry conditions and avoid extreme temperatures to preserve performance and battery life.