Specifications
Battery Option 001 Operational Characteristics
Agilent E4419B User’s Guide 5-13
Battery Option 001 Operational Characteristics
The following information describes characteristic performance based at a 
temperature of 25
 °C unless otherwise noted. Characteristics describe 
product performance that is useful in the application of the product, but is 
not covered by the product warranty.
Typical Operating Time
Up to 2 hours with LED backlight on; up to 3 hours with LED backlight 
off.
Charge Time
< 2 hours to charge fully from an empty state: 50 minutes charging 
enables 1 hour of operation with LED backlight ON; 35 minutes charging 
enables 1 hour of operation with the LED backlight OFF. Power meter is 
operational whilst charging.
Service Life
To 70% of initial capacity at 25
 °C: approximately 450 charge/discharge 
cycles.
Chemistry
Nickel Metal Hydride.
Weight
1 kg.
HP4402.book  Page 13  Thursday, November 30, 2000  1:39 PM