The is the Rechargeable Lithium-Ion Battery D-Li109 from Pentax for their KR digital SLR camera. Small and lightweight, Lithium-ion batteries can be charged or discharged at any time without developing memory effects.
| Chemistry | Lithium-ion |
| Capacity | 7.4V |
| Output Voltage | 7.4V (approx) |
| Dimensions | 2.2 x 1.4 x 0.6" (56.6 x 36.1 x 14.4mm) |
| Weight | 2 oz (57g) |