HGT1 User Manual
14 OMICRON
3.3 Power supply
The HGT1 offers two power supply options:
• A rechargeable lithium polymer (Li-Po) battery
• Four AA batteries (not included)
The new Li-Po battery is charged to approximately 50 % and should be fully charged before use. It can
either be charged via the USB connector or the DC power socket (charger not included).
► Switch off the HGT1 for faster charging.
WARNING
Severe injury caused by electric discharge and burns possible
► Do not heat the battery above 60 °C (140 °F).
► Do not place the battery in or near fire.
► Do not solder directly on to the battery.
► Do not disassemble the battery or insert it in reverse polarity
► Switch off the HGT1 before opening the battery cover in order to prevent any electric
discharges.
► Avoid short-circuits.
► Operate and charge the battery between 0 °C (32 °F) and 45 °C (113°F).
Table 3-2: DC power supply specifications
Characteristic Rating
Voltage 7.5 V … 23.0 V
Power min. 6 W
Connector type 2.1 mm x 5.5 mm x 9.5 mm
Polarity
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