2009-01-07 17:35:02
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Home > Technologies > Nickel > Ni-MH > VH VHT - Super high power series


Nickel Metal-Hydride (Ni-MH) - VH VHT - Super high power series

Rechargeable battery
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Saft VH/VHT cylindrical Ni-MH cells are designed for telecommunications and other portable applications that demand fast charge and discharge capability over a prolonged lifetime. The latest VH Cs, VH D and VH F cells are designed specifically for applications requiring fast charge and high discharge rates (50 A) and specially target cordless power tools, e-bikes and personal electric vehicles, radio control and professional electronics equipment.

Main applications

  • personal mobility (electric and assisted bikes, scooters, golf caddies, electric wheelchairs, assisted systems for disabled persons, …)
  • professional tooling (construction tools, agricultural tools, vacuum cleaners, …)
  • medical equipment (homecare ventilators, respirators, cardiac defibrillators, medical carts, electric wheelchairs, …)
  • personal care (shavers, …)
  • emergency lighting units (exit signs, emergency lighting fixtures, conversion kits)
  • UPS and back-up systems
  • professional lighting (torches & lamps, flashlights,…)
  • radio communication and tracking equipment (portable radio communication, private mobile radio)
  • military equipment
  • professional electronic devices (handheld terminals, video, …)

 

Benefits

  • very high energy
  • very high power (VH)
  • excellent cycling performance (VH)
  • high reliability
  • wide range of chargeability (VH)
  • permanent charge capability (VHT)
  • excellent charge efficiency (VHT)
  • good storage capability
  • environmentally friendly
  • zero maintenance
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  • Data sheet
  • Handbook
  • MSDS
Technical characteristics

 Nominal voltage : 1.2 Volt / cell

  VH AA 1500* VH AA 1700* VH Cs 3200 XL VH D 9500
XP		 VH F 16000
Size AA AA Cs D F
IEC Capacity at 0.2 rate Typical (mAh) 1500 1700 3200 9500 16000
Minimum (mAh) 1400 1600 3000 9000 15000
Standard charge Current (mA) 140 160 300 900 1500
Time (h) 16 16 16 16 16
Quick or fast charge Current (mA) 1400 1600 3000 5000 5000
Time (h) ~1 ~1 1-2 2-3 3-4
Internal impedance (mOhm) 20 20 4 4 4
Diameter (mm) 14.0 14.0 22.0 32.2 32.2
Height (mm) 49.2 49.2 42.4 58.6 89.2
Approx weight (g) 26 26 58 168 265
           

 

  VHT AA VHT Cs VHT 7/5 Cs VHT F  
Size AA Cs 7/5 Cs F  
IEC Capacity at 0.2 rate Typical (mAh) 11500 2200 4200 11000  
Minimum (mAh) 1100 2000 4000 10000  
Standard charge Current (mA) 110 200 400 1000  
Time (h) 16 16 16 16  
Quick or fast charge Current (mA) - - - -  
Time (h) - - - -  
Internal impedance (mOhm) 18 5 20 5  
Diameter (mm) 14.0 22.0 22.2 32.3  
Height (mm) 49.2 48.0 60.0 89.2  
Approx weight (g) 24 60 74 215  
           


* Also available with a high top. Diameter is similar. The projection of the top is 1.7 ± 0.2 mm, the flat area diameter is 4.0 mm, and the total height of the cell is 49.9±0.3 mm.

 

Under development VH Cs 3500 VH F 16000 XP      
Size  Cs F       
IEC Capacity at 0.2 rate Typical (mAh)  3500  16000      
Minimum (mAh)  3200  15000      
Standard charge Current (mA)  320  1500      
Time (h)  16  16      
Quick or fast charge Current (mA)  1500  5000      
Time (h)  ~ 2-3  ~ 3-4      
Internal impedance (mOhm)  4  3      
Diameter (mm) 22.0  32.3      
Height (mm)  42.3  89.2      
Approx weight (g)  59  265      
           

Note: Specifications are subject to modification without notice for further improvement.

Data in this page is subject to change without notice and becomes contractual only after written confirmation by Saft.