Varta/Fdk 1.2V 2700mAH A Cell NiMH (VH2700)

The Varta / FDK VH2700 is a rechargeable Nickel-Metal Hydride (NiMH) A-size cylindrical cell designed for industrial and battery-pack applications where higher capacity and reliable cycling are required. 

Key Specifications

• Model: VH2700 (Varta part number 55027)
• Chemistry: Nickel-Metal Hydride (NiMH) 
• Nominal Voltage: 1.2 V
• Typical Capacity: 2700 mAh
• Nominal Capacity: 2600 mAh 
• Cell Size: A (IEC designation HR17/50)
• Dimensions: Approximately 16.3–17.0 mm diameter × 48–50 mm height
• Weight: About 39–40 g
• Maximum Discharge Current: 7.8 A (3C) 
• Cycle Life: Typically more than 500 charge/discharge cycles under IEC conditions. 

Features

• High-capacity NiMH cell for demanding applications. 
• Low internal resistance (less than 20 mΩ when fully charged), enabling good high-current performance. 
• Stable discharge voltage across most of the discharge cycle. 
• Good overcharge tolerance and long service life. 
• Suitable for custom battery pack assembly.

Typical Applications

• Industrial battery packs 
• Sensor and monitoring equipment 
• Memory and RTC backup systems 
• Portable electronic and communication equipment requiring rechargeable cells. 

Charging

The manufacturer recommends:

• Standard charge: 260 mA for 16 hours. 
• Fast charge: 1300–2600 mA (0.5–1C) with appropriate charge termination controls such as ΔV and temperature monitoring. 

In summary, the VH2700 is a robust 1.2 V, 2700 mAh industrial-grade A-cell NiMH battery, offering high capacity, good current delivery, and a cycle life exceeding 500 cycles, making it well suited for rechargeable battery pack designs and industrial electronics.