Keysight N9912-90001 User’s Guide 20- 5
Working with the Lithium-Ion Battery
Charging the Battery
Using the External Battery Charger (N9910X–872)
Figure 20-2 External Battery Charger (N9910X-872)
The external battery charger (N9910X–872), lets you charge a fully depleted
battery in approximately three hours. It is a two bay, level–3 stand-alone
battery charger that is compliant with the standard Smart Battery System. The
two bays are charged sequentially on a first-come, first-served basis, though a
discharge can be performed in the left bay while the right bay is charging. It
uses an external universal switching.
For more information, refer to the Instruction Manual included with the
external battery charger.
Read the safety information in
“For the External Battery Charger
(N9910X-872)” on page 21-6
.
External Battery Charger LED Charging Status
Green Fully charged
Green flashing Fast charging
Yellow flashing Reconditioning – the accuracy of the
battery’s internal LED charge gauge
is being renewed. See
“Reconditioning Battery” on
page 20-6.
Yellow/green Battery is reconditioned
Red flashing Error
Yellow Standby
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