HP EliteBook 820 G3 Notebook PC 
HP EliteBook 840 G3 Notebook PC 
HP EliteBook 850 G3 Notebook PC 
Features 
Not all configuration components are available in all regions/countries. 
c04688005 – DA 15295 – World Wide – Version 1 – December 9, 2015 
 
Primary Battery 
HP EliteBook 820  
HP 3-cell Long Life Li-Ion (44 WHr)  
 
HP EliteBook 840 and HP EliteBook 850 
HP 3-cell Long Life Li-Ion (46 WHr) 
 
Battery Life 
HP EliteBook 820  
Up to 12 hours and 30 minutes
1
 
 
HP EliteBook 840  
Up to 13 hours and 30 minutes
1
 
 
HP EliteBook 850  
Up to 12 hours and 30 minutes
1
 
1. Disclaimer: Windows 10/MM14 battery life will vary depending on various factors including product model, configuration, 
loaded applications, features, use, wireless functionality, and power management settings.  The maximum capacity of the 
battery will naturally decrease with time and usage. See www.bapco.com for additional details. 
 
Power Conservation 
Hibernation 
Standby 
ACPI compliance 
WEIGHTS & DIMENSIONS 
HP EliteBook 820  
Weight
1
 
Starting at 2.78 lbs (1.26 kg)  
(3-cell battery (44WHr), UMA, no FPR, 1 SODIMM, WLAN, M.2 SSD, no camera, no WWAN,  Non-Touch panel) 
Starting at 3.08 lbs (1.39 kg) 
(3-cell battery (44WHr), UMA, no FPR, 1 SODIMM, WLAN, M.2 SSD, no camera, no WWAN, FHD Touch) 
Dimensions
2
 (w x d x h) 
Non-Touch 
12.2 x 8.6 x 0.74 in  
31 x 21.89 x 1.89 cm 
Touch 
12.2 x 8.6 x 0.80 in  
31 x 21.89 x 2.02 cm 
HP EliteBook 840  
Weight
1
 
Starting at 3.41 lbs (1.54 kg) 
(3-cell battery (46WHr), UMA, no FPR, 1 SODIMM, WLAN, M.2 SSD, no camera, no WWAN, Non-Touch panel) 
Starting at 3.76 lbs (1.70 kg) 
(3-cell battery (46WHr), UMA, no FPR, 1 SODIMM, WLAN, M.2 SSD, no camera, no WWAN, FHD Touch)