Newland NLS-MT37, Руководство пользователя

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6
Charging the Battery
There are two methods to charge the battery.

Charge with AC adapter: It takes less than 3 hours to fully charge it (The terminal is shut down or in sleep mode).
1) Low battery may result in malfunction of the terminal. Before using MT37 for the first time, charge the battery for at
least 8 hours. Low battery may result in malfunction of the terminal. Before using MT37 for the first time, charge the battery
for at least 8 hours.
2) Connect the USB connector to a power outlet using the AC adapter & Cable. (Do not plug or pull the USB connector
violently to avoid damage)

The AC adapter is recommended to use 5V/2A.
Charge with PC USB
Note: Because the current of USB is only 5V/500mA. It will take a long time to fully charge with a computer.