Battery Charge - Pro's Kit MT-7603 User Manual

First you must use the rechargeable batteries. When
the energy is less than 20%, you should charge the
batteries.
Long time low energy, the life of the batteries will be
short. When charging, the battery indication on LCD
will flash. After charging fully, the indication will stop
flashing and show full. Don't charge for more than 24
hours. If charging while using the device, the time will
be longer. The rechargeable batteries must be in
device when you use the AC/DC adaptor for charging.
And do not charge the non-rechargeable batteries, or
the device will be destroyed and also lose the guarantee.
5V/500mA

Battery charge

18
MT-7603
Fiber Optical Power Meter
>2s PERM
VFL
Save Unit REF