12
13
11. BATTERY STATUS ICONS
The battery status icon for the built-in battery pack appears at the
right side of the status bar at the top of the screen.
If an optional auxiliary battery is installed in the BOLT TD50L, a
battery status icon for the auxiliary battery appears to the left of the
status icon for the built-in battery pack.
The battery status icon for the active battery (the battery currently
being used to power the BOLT TD50L) is displayed in color, while the
inactive battery is displayed in gray.
Battery charge levels are indicated by the color and fill-level of the
icon for the active battery and the fill-level of the gray icon for the
inactive battery.
While charging, the charging
icon in the status bar will appear
inside the status icon for the built-in battery icon. Charge the built-in
battery pack when it reaches the red battery status color to avoid
over-discharge and potential damage to the battery.
ICON
COLOR / STATUS
BATTERY STATUS
Green
More than 40%
Yellow
20% – 40%
Red
< 20%;
charge the battery right away
Charging Icon
The built-in battery pack is
charging (external power supply
or computer is connected via
the data cable)
Inactive (Gray) Battery
Battery status of the
inactive battery
12. SWITCHING THE BATTERY
POWER SUPPLY
The BOLT TD50L Series has a dual power supply system with a built-
in li-ion battery pack and an auxiliary battery option. 18500, or 18650
with adapter, rechargeable li-ion batteries (optional/not included) are
compatible with the BOLT TD50L.
Using with the Optional Auxiliary Battery
• When both the built-in battery pack and the auxiliary battery are
fully charged, the BOLT TD50L will select the auxiliary battery as
its primary power source.
• If the power of the auxiliary battery is low, or the auxiliary battery
is removed, the BOLT TD50L will automatically switch to the
built-in battery pack as its primary power supply. Operation will
not be interrupted during this time.
• When the BOLT TD50L is in use, you may insert (or replace) an
auxiliary battery without powering off. Power will automatically
switch to the built-in battery during replacement of the auxiliary
battery.
Using with an External Power Source
When the data cable is used to connect the BOLT TD50L, via the
USB-C port, to a computer or external power source (such as a
standard wall outlet or an external power supply), the rifle scope will
switch to the external power source and begin charging the built-in
battery pack. See
on the next page for more
information.
While charging, the built-in battery status icon shown in the status
bar will change to the charging
on
NOTE: Only the built-in battery pack will be charged while
connected via the USB-C port.
13. BATTERY SAFETY PRECAUTIONS
Only charge the BOLT TD50L with a standard 5V–2A USB adapter,
as included in the BOLT TD50L kit. Using any other type of adapters
may lead to irreversible damage to the battery, adapter, or rifle
scope. This damage is not covered under warranty.
If your BOLT TD50L has been stored for an extended period, it
should be charged before using.
