Panasonic DMC-LX7K Basic Owner's Manual page 28

Specifications
Operating
temperature
Operating
humidity
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Battery charger
(Panasonic DE-A81B): Information for Your Safety
Input
Output
Equipment mobility: Movable
Battery pack (lithium-ion)
(Panasonic DMW-BCJ13PP): Information for Your Safety
Voltage / capacity 3.6 V / 1250 mAh
28
VQT4H90 (ENG)
0 °C to 40 °C (32 °F to 104 °F)
10%RH to 80%RH
~ 110 V to 240 V, 50/60 Hz, 0.2 A
4.2 V, 0.65 A