This is the Panasonic DMW-BCJ13 Lithium-Ion Battery. Small and lightweight, Lithium-Ion batteries can be charged or discharged at any time without developing memory effects.
| Chemistry | Lithium-Ion |
| Capacity | 3.6V |
| Output Voltage | 3.6V |
| Dimensions | Not Specified by Manufacturer |
| Weight | 4.8 oz (136.1g) (approx) |