From IRC, “The famous International Rectifier B2M Sun Battery, used by experimenters the world over. The B2M will generate a current of 2 ma with a 10 ohm load in bright sunlight. Cells may be mounted in series or series-parallel to obtain maximum power output for operation of transistorized equipment. Comes equipped with leads and flexible mounting bracket to permit adjustment of sensitive cell surface to any desired angle”
| Company | International Rectifier Corporation |
| Year | 1960 |
| Cell Type | Selenium |
| Part No. | B2M Sun Battery |
| Primary Use | Consumer, |
| Materials | selenium |
| Open-Circuit Voltage (Voc) | 0.6 V |
| Short-Circuit Current (Isc) | 0.002 A |
| Acquisition | Purchased |
