Power Paper has developed a number of standard clean printed batteries for use in a variety of products and applications. Currently, the company does not offer its thin batteries as stand-alone products, however, manufacturers interested in integrating Power Paper's thin printed batteries into their own products, or engaging in joint development projects, please see partnership opportunities or contact us. The general specifications for Power Paper’s current generation of batteries are as follows: Primary cell (multiple cell battery packs are possible) 1.5V Typical thickness (total) 0.7 mm Bending radius 2.5cm (1 inch) Nominal continuous current density (per active area) 0.1 mA/cm 2 Nominal capacity (per active area) 4.5 mAh/cm 2 Nominal internal resistance (1kHz impedance) 50 Ohm max Shelf life 3 years Temperature operating range -20°C to +60°C Environmentally friendly No heavy metal components such as Mercury, Cadmium or Lead Specifications for Power Paper's most commonly used standard battery configurations:  Power Paper Model STD-3 Regular STD-3 Premium STD-20 Outline Dimensions 39mm x 39mm 39mm x 39mm 39mm x 26mm Nominal Voltage 1.5 V 1.5 V 1.5 V Nominal Continuous Current 0.5 mA 0.5 mA 0.2 mA Nominal Capacity 18 mAh 30 mAh 13 mAh Nominal Internal Impedance at 1 kHz 50 Ohm 15 Ohm 30 Ohm Nominal Peak Pulse Discharge Current   15 mA [1 msec]