User's Manual

September 06, 2022
CLS-4-420-TH
12
INTERNAL BATTERY
A 3300 mAh lithium-ion baery is installed in the CLS-4-420-TH to provide power in the absence of AC/DC
adapter and USB connector. The internal baery provides power to the external interfaces, the Bluetooth
Link, and the 2x6 pin connector circuitry.
The baery is accessed by removing the baery cover on the right side of the CLS-4-420-TH enclosure.
The Red 'Bat Low' LED will turn on when the wireless sensor detects that less than 500 mAh is remaining
in the internal baery. The internal baery may be recharged in the CLS-4-420-TH by connecng either
the included AC/DC power adapter (CUI Inc. SWI24-12-N-P6), or via a USB connecon to a PC or
dedicated USB charging device. The approximate charging mes for each method are provided in the
table below:
Charging Method
Maximum Charging Current
Charge Time (80% / 100%)
AC/DC Adapter
1.5 A
2.2 hours / 3.2 hours
USB
500 mA
6.6 hours / 7.6 hours
The 'Bat Low' LED will automacally turn o once more than 1000 mAh of capacity has been returned
to the internal baery during a recharge.
The CLS-4-420-TH contains protecon circuitry that automacally disables baery charge operaon
when the baery temperature is below 0 °C or above 50 °C. The baery will connue to provide power
if charge operaon is inhibited. Charge operaon will resume once the temperature returns to within
the permissible range.
The CLS-4-420-TH will disable all operaon once baery temperature exceeds 65 °C. Discharge operaon
will resume once the temperature drops below 55 °C.