Unitech SRD650 Manuel d'utilisateur télécharger pdf (Page 31)

Chapter 3

Power system

Charging the Lithium-Ion Battery Pack

The HT650's batteries can be charged via the USB or serial communication cable, or via the

optional docking station - both using the included AC adaptor. Please charge the battery for at

least 4 hours per session to ensure a full charge. Please note that the first time charge should

be for at least 16 hours (see the description below).

Charging the Main and Backup Battery for the First Time

When first charging the HT650, please allow at least 16 hours to fully charge both the main and

backup batteries. Data loss can occur if the backup battery is not adequately charged.

A properly charged backup battery can store data for up to 2 hours without power from the main

battery. This is not recommended. Please make sure an adequately charged main battery or AC

power is presented and try not to rely on the backup battery for other than unusual or

emergency situations. To prevent data loss due to backup battery failure (always a slim

possibility), please minimize the amount of time that the backup battery has to operate without

the main battery pack installed or while disconnected from AC power.

Environment Consideration for Charging

It is important to consider the environment temperature whenever you are charging the

Lithium-Ion battery pack. The process is most efficient at normal room temperature or slightly

cooler. It is essential that you charge batteries within the stated range of -5°C to 50°C. Charging

batteries outside of the specified range could damage the batteries and shorten their charging

life cycle.

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Unitech SRD650 Manuel d'utilisateur Page 31