User manual SONY PCGA-AC19V4

[. . . ] Owner's Record The model number and serial number are located on the bottom of your battery pack. [. . . ] Refer to the model and serial number when you call your Sony Service Center. To prevent short circuit accidents, do not allow metal objects, such as a necklace, to touch the terminals. ⷠDo not expose the battery pack to temperatures above 140°F (60°C), such as under direct sunlight or in a car parked in the sun. ⷠKeep the battery pack dry. Before using the battery pack, please read this manual thoroughly and retain it for future reference. See the Sony Notebook Computer User Guide or Online Manual for more information about charging. the Sony PCGA-AC19V4 is the rechargeable battery pack designed for a Sony Notebook Computer. However, it may not be used with some models. [. . . ] 1V DC 3400 mAh 41°F to 95°F (5°C to 35°C) (temperature gradient less than 18°F (10°C)/ hour) 20% to 80% (not condensed), provided that humidity is less than 65% at 95°F (35°C) (hygrometer reading of less than 84°F (29°C)) ­ 4°F to 140°F (­20°C to 60°C) (temperature gradient less than 18°F (10°C)/ hour) 10% to 90% (not condensed), provided that humidity is less than 20% at 140°F (60°C) (hygrometer reading of less than 95°F (35°C)) Approx. [. . . ]