| Name | Backup Battery Charge | |
| Rarity | ||
| Description | Once Battery Charge reaches 240, recover 1 Backup Battery Charge every 18 minutes. You can have up to 2,400 Backup Battery Charge. Consume Backup Battery Charge to gain an equal amount of Battery Charge. | |
| Description | Battery Charge stored in a backup battery, ready for use whenever needed. If Ether technology can be applied to produce batteries, their efficiency might be further improved. Luckily, this backup battery has a large capacity, turning Battery Charge into a valuable long-term asset. |

SYnergy with miyabi? I dont have Yuzuha (break during rerun&didnt get before) or Nangong Yu (I ...