Canon SELPHY ES2 - Manual (Page 91)

Specification
91 Appendix
Battery Pack NB-ES1L (sold separately) (SELPHY ES2 only)
Type Lithium ion battery
Nominal Voltage DC 22.2 V
Nominal Capacity 2000 mAh
Charge Cycles Approx. 300 times
Number of prints
*
Postcard size paper: Approx. 50 sheets
L size paper: Approx. 50 sheets
Card size paper: Approx. 100 sheets
Operating
Temperatures 5 - 40 °C (41 - 104 °F)
Dimensions 140.0 x 60.0 x 22.0 mm (5.5 x 2.4 x 0.9 in.)
Weight Approx. 335 g (11.8 oz.)