Ultralife UKT0011 - Manual (Page 13)

NOTE: Batteries will not charge when the temperature is at or above 50°C or if
below 0°C.
11. If the Charger Box is to be grounded to Earth then connect the ground stud on rear
of unit to Earth ground now. A 12AWG wire or larger is recommended for
grounding. See Figure 3-7
12. The CH0027 requires convection cooling and has a series of vents in the back. It is
recommended that a 6” space is available at the rear of the unit from the vents to
facilitate cooling.
13. Secure the units as necessary prior to operation.
14. Power the charger by attaching the AC or DC power input cables and applying
power. The power source LED should illuminate on the front panel of the charger.
See figure 3-11 for overview.
Figure 3-11 LED Display
15. The Battery Box can now be turned on by switching the toggle switch to the on
position. The State of Charge 2-digit display will show rotating digit while battery
state of charge is gathered. Within 60 seconds, the state of charge should be
displayed. The state of charge is based on a fully loaded box of 12 batteries, and is
based upon whichever Bank (A or B) has a lower SOC. For example, if the 6
batteries of Bank A are at 50% state of charge and the 6 batteries of Bank B are at
UKT0011 CH0028/CH0027 Battery Box / Charger System Operation Manual
Newark, New York | 315-332-7100 | Fax: 315-331-7800
©2010 Ultralife Corporation • www.ultralifecorp.com • All specific subject to change without notice
The information contained herein is for reference only and does not constitute a warrant of performance • 30 SEP 10 UBI-5184 Rev: A
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