Lenovo 7417 Service Guide - Page 79
condition: 31.3°C 88°F
UPC - 884343930091
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Maximum temperature when operating under the unpressurized condition: 31.3°C (88°F) Note: When you charge the battery pack, its temperature must be at least 10°C (50°F). v Relative humidity: - Operating: 8% to 80% - Non-operating: 5% to 95% Heat output v 65 W (222 Btu/hr) maximum or 90 W (307 Btu/hr) maximum (depending on the model) Power source (AC adapter) v Sine-wave input at 50 to 60 Hz v Input rating of the AC adapter: 100-240 V AC, 50 to 60 Hz Battery pack v Lithium-ion (Li-Ion) battery pack - Nominal voltage: 10.8 V DC or 14.4 V DC, depending on the model - Capacity: 2.6 AH, 5.2 AH or 7.8 AH, depending on the model Battery life v For percentage of remaining battery power, see the Power Manager Gauge on the task bar. Appendix C. Features and Specifications 71