The Ricoh DB-90 Rechargeable Battery is designed for use with the GXR System. This 1700mAh, 3.6V lithium-ion battery fits into the GXR Body for powering the GXR Body and Camera Units respectively. Battery Charger BJ-9 is necessary for charging the battery.
| Chemistry | Lithium-ion |
| Capacity | 1700mAh |
| Output Voltage | 3.6V |
| Watt Hours | 6.2Wh |