Rechargeable Battery - Extech Instruments BR450W-D User Manual

Rechargeable Battery

Battery Overview
The Borescope is shipped with a partially charged 3.7 V lithium ion battery.
Fully charge the battery before putting this device into operation, per the in-
structions below. Using the Borescope while charging can interfere with its
Wi-Fi connection.
Battery Safety
WARNING
• Remove the battery from the device before storing for extended periods.
• If the battery needs replacing, use only a battery of the same type.
• Do not use this device while the battery compartment is open.
• To reduce the risk of explosion, do not place the battery near fire, compact it, or other-
wise damage it.
• Battery charging circuit is DC input
Battery Charging
1. Open the flap on the bottom of the Borescope to access the USB (mini)
port.
2. Connect the supplied USB cable to the Borescope USB port.
3. Connect the other end of the USB cable to a 5 volt (3 amp) charger.
4. The LED indicator on the right of the Borescope shows the charging sta-
tus. The battery is fully charged when the LED glows solid green; the LED
is solid red when charging and blinking red when the battery is weak.
Auto Power Off (APO)
To conserve battery energy, the Borescope switches off after five minutes of
inactivity. To switch the APO feature off, or to change the APO time, use the
app (Settings > Device Information > Auto Power Off).
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