VH 2100 4/5A Rechargeable Ni-MH Cylindrical Preliminary Data Sheet Type Number: 55118 System: Nickel Metal Hydride/ KOH Electrolyte Nominal Voltage [V]: 1.2 Nominal Capacity C [mAh]: 1900 Typical Capacity C [mAh]: at 430 mA / 1.00 V 2150 Weight, approx. [g] 35.0 Dimensions [mm]: min. max. Diameter [a]: 16.0 17.0 Height [b]: 41.0 43.0 Shoulder Height [c] 40.8 43.3 7.5 8.5 Cap diameter [d] Temperature Ranges [C] min. max. Storage: less than 30 days -20 50 less than 90 days -20 40 less than 1 year -20 30 -20 60 0 45 Discharge: Charge: Charging Method: Normal Charging: 195 mA for 14 - 16 h Accelerated Charging (20C): 585 mA for 4.75 h Time controlled, voltage control recommended Fast Charging: (20C) 1950 mA * Trickle Charging: pulsed recommended Charge Retention [%] at 20C: min. 60% Capacity available after 1 month Storage at 20C (cell was fast charged) Impedance [mOhm]: max. 60 at charged cells (5 cycles), 20C, AC: 1kHz, (IEC 61951-2) Typical Capacities [mAh]: at 430 mA / 1.00 V 2150 at 2.15 A / 1.00 V 2050 at 4.30 A / 1.00 V 1950 Max. Discharge Current (cont.) [mA]: 6400 Life Expectancy (typical): IEC Cycle: >500 Cycles * (dT/ dt, -dV) Capacities based on normal charging VARTA Microbattery GmbH, Daimlerstrae 1, D-73479 Ellwangen/Jagst Tel.: (+49) 7961/921-0, Telefax: (+49) 7961/921-553 Subject to change without prior notice ! Date of Issue: 04-07-06