Arts 1.2V 4200mAh VHT 7/5 Cs U Hi-Temp NiMH (792436AE)

The ARTS Energy 1.2V 4200mAh VHT 7/5 Cs U Hi-Temp NiMH (Part No. 792436AE) is a high-temperature rechargeable Nickel Metal Hydride (NiMH) cell designed for demanding industrial and emergency backup applications. It is part of ARTS Energy's VHT (Very High Temperature) battery range. 

Key Specifications

• Chemistry: Nickel Metal Hydride (NiMH) 
• Nominal Voltage: 1.2 V 
• Typical Capacity: 4200 mAh (4.2 Ah)
• Minimum IEC Capacity: 4000 mAh 
• Cell Size: 7/5 Sub-C (7/5 Cs) 
• Dimensions: Approximately Ø22 mm × 60 mm 
• Weight: About 74 g
• Internal Impedance: Approximately 20 mΩ at 1000 Hz 

High-Temperature Performance

The VHT series is specifically engineered for operation in harsh environments:

• Charging temperatures up to +85°C under specified conditions. 
• Discharge temperatures from-40°C to +85°C depending on discharge rate.
• More than 4 years service life at a constant 50°C in emergency lighting applications. 
• Expected 5 to 10 years life in backup and solar/cycling applications. 

Typical Applications

• Emergency lighting systems (ELU)
• UPS and backup power systems
• Professional electronics
• Solar energy storage
• Peak-shaving and energy management systems
• Other equipment exposed to elevated temperatures 

Main Benefits

• Very high cycle life (up to roughly 5,000 cycles at 50% depth of discharge under suitable conditions) 
• Excellent performance at elevated temperatures 
• Robust industrial-grade construction 
• Designed for permanent low-current charging, making it ideal for standby applications such as emergency lighting.