Standard pack, 45 000 mAh. Largest capacity, for normal climates (-20 to +50 °C).
Specifications
| Rated capacity | 45 000 mAh (2 268 Wh) |
| Rated voltage | DC 50.4 V |
| Charging limit | DC 58.8 V |
| Discharge temperature | -20 to +50 °C |
| Charging temperature | 0 to +40 °C |
| Fits | B2 and B2-W |