VKB 55615 602 059

**V 150 H** 

**Rechargeable NiMH Button** 

Data Sheet[1.)] 

1@ 

**Type Number:** 

**Type Number:** 55615 **System:** Nickel Metal Hydride/ KOH Electrolyte **Nominal Voltage [V]:** 1.2 **Nominal Capacity C [mAh]:** 140 **Typical Capacity C [mAh]:** 150 at 28 mA / 1.00 V **Weight, approx. [g]** 6 **Dimensions [mm]: min. max. Length  [l]:** 13.9 14.1 **Width Facing [w]:** 25.4 25.6 **Height [h]:** 5.6 5.85 **UL Recognition:** MH 13654 (N) **Coding:** Manufacturing 5 digit code (123 = day/4 = year/ 5 = version) **Temperature Ranges [°C] min. max. Storage:** less than 30 days -40 65 **Discharge:** -20 65 **Charge:** 0 65 **Charging Method: Normal Charging:** 14 mA for 14 – 16 h **Accelerated Charging (20°C):** 28 mA for 7-8 h **Fast Charging:** 70 mA for 3 h * Time controlled, voltage control recommended **Trickle Charging:** 4.2  mA **Overcharge (20°C):** 14  mA continuous 28  mA  up to 1 year **Charge Retention [%] at 20°C:** 90 Capacity available after 1 month Storage at 20°C **Internal Resistance [Ohm]:** 0.8 at charged cells, 20°C, DC: 0.2 CA/2 CA, (IEC 61951-2) **Impedance [Ohm]:** 0.13 at charged cells, 20°C, AC: 1kHz, (IEC 61951-2) **Typical Capacities [mAh]:** at 140 mA / 0.90 V 88 

**Max. Discharge Current (cont.) [mA]:** 280 **Life Expectancy (typical): IEC Cycle:** 1000 Cycles **Trickle Charge:** up to 6 years (20°C) **Trickle Charge:** up to 3 years (45°C) 

- for fully discharged cells, 20 °C 

Capacities based on normal charging 

1.) Prior to use read Rechargeable NiMH Button Cell handbook @ www.varta-microbattery.com 

VARTA Microbattery GmbH Daimlerstraße 1, 73479 Ellwangen, Germany Tel.: +49 79 61 921-0 Telefax: +49 79 61 921-553 

Subject to change without prior notice ! 

Date of Issue: 2016-01-19