Wide-temperature pack, 40 500 mAh. Rated to +80 °C discharge for hot industrial work.
Specifications
| Rated capacity | 40 500 mAh (2 041.2 Wh) |
| Rated voltage | DC 50.4 V |
| Charging limit | DC 58.8 V |
| Discharge temperature | -40 to +80 °C |
| Charging temperature | 0 to +70 °C |
| Fits | B2 and B2-W |