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## VNT Cs U High Temperature Series 

ARTS Energy’s VNT U high temperature Ni-Cd series are perfectly suited to emergency and security equipment applications. It is designed to accept a permanent charge for a minimum of 4 years in high temperature environments (up + 55°C). 

It also brings an improvement at low temperature, suiting perfectly with severe outdoor application. 

To meet customers’ requirements, ARTS Energy provides custom-designed and standardized battery packs. 

For your battery design and system needs, please contact ARTS Energy’s engineers. 

## **Applications** 

Emergency lighting Professional lighting Memory back-up systems Security devices 

## **Main advantages** 

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Electrical characteristics<br>|  Good charge efficiency at high temperature Nominal voltage (V) 1.2<br>| Good autonomy at low temperature Typical capacity (mAh)* 1650<br>| Permanent charge IEC minimum capacity (mAh)* 1600<br>| Good storage retention IEC designation KRMU 23/43<br>| Long life duration at high temperature Impedance at 1000 Hz (mΩ) 8<br>* Charge 16 h at C/10, discharge at C/5.<br>Technology Dimensions<br>| Plastic bonded positive electrode a Diameter (mm) 22.0 + 0.15/- 0.05<br>| Plastic bonded negative electrode Height (mm) 41.9 ± 0.3<br>Top projection (mm) 0.8 ± 0.2<br>Top flat area diameter (mm) 9.0 min<br>Temperature range in discharge<br>Weight (g) 45<br>- 20°C to + 70°C Dimensions are given for bare cells.<br>Charge conditions Rate Time (h) Temp. (°C) Charge current (mA)<br>Storage Standard* 16 + 15 to + 55 160<br>Recommended: + 5°C to + 25°C Permanent + 15 to + 55 80<br>Relative humidity: 65 ± 5 % Trickle** 40 to 53<br>* End of charge cut-off is requested: timer, coulomb meter.                            ** Trickle charge follows full charge.<br>Maximum discharge current<br>Continuous (A) at + 20°C 5.2<br>Peak (A) at + 20°C* 40<br>* Peak duration: 0.3 second - final discharge voltage 0.65 volt/cell.<br>**----- End of picture text -----**<br>


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ARTS<br>**----- End of picture text -----**<br>


Advanced Rechargeable Technology and Solutions 

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## **Typical performances** 

For graphs shown, C is the IEC5 capacity. 

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9.0 0.8<br>=)<br>22.0<br>|<br>41.9<br>**----- End of picture text -----**<br>


Dimensions are in mm. 

Data are given for single cells. Please consult ARTS Energy for utilization of cell outside this specification. 

Data in this document are subject to change without notice and become contractual only after written confirmation by ARTS Energy. 

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Charge 24h at C/20 at different temperatures<br>1.8<br>1.7<br>1.6<br>1.5<br>1.4<br>1.3<br>1.2<br>1.1 0°C + 10°C + 25°C + 40°C + 50°C + 55°C<br>1.0<br>0 5 10 15 20 25<br>Time (h)<br>Discharge at 0.6 C at different temperatures after charge 24h at C/20 at different temperatures<br>1.6<br>1.4<br>Sanction<br>| ————<br>1.2<br>1.0<br>0°C + 10°C + 25°C + 40°C + 50°C + 55°C<br>0.8<br>0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6<br>Autonomy (h)<br>Charge efficiency after charge at C/20 and discharge at C/5 at different temperatures<br>120<br>100<br>80<br>60<br>40<br>20<br>0 ————=<br>20 30 40 50 60<br>Temperature (°C)<br>12 months at + 70°C simulates 4 years at + 50°C<br>1.8<br>autonomy (h) @ 0,6 C before ageing 12 month @ + 70°C autonomy (h) @ 0,6 C after ageing 12 month @ + 70°C<br>1.6<br>1.4<br>1.2<br>1.0<br>0.8<br>0.6<br>0.4<br>0.2<br>0<br>+ 5°C + 25°C + 50°C<br>Temperature (°C)<br>Voltage (V)<br>Voltage (V)<br>% of rated capacity<br>% of rated capacity<br>**----- End of picture text -----**<br>


## ARTS 

10, rue Ampère Zone Industrielle 16440 Nersac, France Tél.   +33(0)5 45 90 35 50 www.arts-energy.com 

Doc No.: 11126-2-1213 - Edition: December 2013 ARTS Energy SAS. Stock capital 971.002 RCS Angoulême 792 635 013 Conception in FR by Verrazano