HP ProBook 6540b Quickspecs page 11

QuickSpecs
Standard Features
Power Supply
Battery
Battery Life
Models with discrete graphics:
External 90-watt Smart AC adapter
Models with integrated graphics:
External 65-watt Smart AC adapter
Power cord included is 6-foot (1.8 meter).
Total length including external AC adapter is 12 feet (3.66 meter).
HP Fast Charge*
*HP Fast Charge recharges your battery up to 90% within 90 minutes when the system is off. HP Fast
Charge does not apply to the 9-cell primary battery, the 12-cell Ultra-Capacity batteries, or the HP Long
Life Battery.
Primary battery
Optional HP Long Life
Battery*
Optional HP Extended Life
Battery
Optional HP Ultra-
Capacity Battery
Integrated Graphics 9-cell (93 WHr)
Primary
Primary battery Up to 10 hours
30 minutes
Primary battery Up to 17 hours
and optional HP
Extended Life
Battery
Primary battery Up to 21 hours
and optional HP
Ultra-Capacity
Battery
Discrete Graphics 9-cell (93 WHr)
Primary
Primary battery Up to 7 hours
30 minutes
Primary battery Up to 12 hours
30 minutes
and optional HP
Extended Life
Battery
DA - 13465 North America — Version 13 — September 27, 2010
9-cell (93 WHr) Li-Ion battery
6-cell (55 WHr) Li-Ion battery
6-cell (47 WHr) Li-Ion battery
3-cell (47 WHr) high capacity Li-Ion battery
8-cell (52 WHr) high capacity Li-Ion battery
12-cell (95 WHr) high capacity Li-Ion battery
6-cell (55 WHr)
Primary
Up to 6 hours
15 minutes
Up to 13 hours
Up to 17 hours
6-cell (55 WHr)
Primary
Up to 4 hours
30 minutes
Up to 9 hours
15 minutes
HP ProBook 6540b Notebook PC
6-cell (47 WHr) HP Long Life
Primary Battery (47 WHr)*
Up to 5 hours
30 minutes
**
**
6-cell (47 WHr) HP Long Life
Primary Battery (47 WHr)*
Up to 3 hours
45 minutes
**
**
**
**
**
**
Page 11