Service Manual
Page 72
... Approximate charge time with 6-cell battery and optical drive) Environmental Temperature range Operating 4-cell "smart" lithium ion (37 WHr) 6-cell "smart" lithium ion (56 WHr) 3-year life-time 9-cell "smart" lithium ion (81 WHr) 9-cell "smart" lithium ion (85 WHr) 2 hours (100% capacity) 1 hour (80% capacity) battery operating time varies depending...
... Approximate charge time with 6-cell battery and optical drive) Environmental Temperature range Operating 4-cell "smart" lithium ion (37 WHr) 6-cell "smart" lithium ion (56 WHr) 3-year life-time 9-cell "smart" lithium ion (81 WHr) 9-cell "smart" lithium ion (85 WHr) 2 hours (100% capacity) 1 hour (80% capacity) battery operating time varies depending...