Troubleshooting guide
Troubleshooting Reference
40
Measured AC 
output voltage 
is too low.
Using an average-reading 
AC voltmeter to read 
output voltage.
Duracell® Powerpack 
battery is almost fully 
discharged.
The modified sine wave output 
of the Duracell® Powerpack 
requires a true RMS reading 
meter, such as the Fluke 87 
series, for accurate 
measurement.
Press Battery Level button to 
verify battery status and recharge 
the Duracell® Powerpack as 
necessary. Battery Level LEDs 
are only accurate when the unit 
has been disconnected from all 
appliances and all charging 
sources for 15 minutes.
Battery Status 
LED is 
OFF 
when AC 
charger is 
connected
No AC power at the AC 
wall outlet.
AC charger is faulty.
Ensure power is available at the 
AC wall outlet.
Replace the AC charger.
Battery Status 
LED is red and 
Battery Level 
LEDs show 
the battery is 
full when the 
Battery Level 
button is 
triggered.
Battery Level lights are 
only accurate when the 
Duracell® Powerpack has 
been disconnected from 
all appliances and all 
charging sources for 15 
minutes.
Unplug the charging sources and 
any appliances and let the 
Duracell® Powerpack rest for 15 
minutes to obtain an accurate 
reading.
Battery Status 
LED is red and 
has not 
changed to 
green after 24 
hours of 
charging.
The voltage at the AC wall 
outlet is less than 
120 VAC.
Use AC wall outlet that supplies 
120 VAC.
Continue to charge the unit for 
another 12 hours; the unit will be 
ready to use even if the Battery 
Status light remains red.
Table 5-1
Troubleshooting reference
Problem Possible Cause Solution
Duracell_PP_300_PlusEP.book  Page 40 Wednesday, June 13, 2007 4:02 PM










