Battery Charging

Thermion Duo riflescopes come with a built-in rechargeable lithium-ion Battery Pack APS5 and a removable rechargeable lithium-ion APS2 Battery Pack. The batteries should be charged before first use.

The icons  in the status bar will flash when the battery is low. The batteries need to be charged.

1. Open the USB Type-C cover (9) by turning it counterclockwise.
2. Connect the USB Type-C plug of the USB cable (18) to the USB Type-C port (10) in the body of the riflescope.
3. Connect the second USB plug of the USB cable (18) to the USB port on the power adapter (19).
4. Plug the power adapter (19) into a 100–240 V socket.
5. Wait until the batteries are fully charged (indication in the status bar: ).

Attention! When charging rechargeable batteries with a USB Type-C connector (10) in the riflescope body section, charging priority is given to the built-in battery. When the device is off, both batteries are charged at the same time. When using the device, the external battery is discharged first.

The rechargeable lithium-ion APS2 and APS3* Battery Packs may be recharged using the APS** charger.

1. Insert the Battery Pack (8) along the rail into the APS charger (15) slot as far as it will go. The APS charger is supplied with your device or purchased separately.
2. Point A on the battery and point B on the charger should match.
3. Connect the USB Type-C plug of the USB cable (18) to the port (16) of the charger (15).
4. Connect the second plug of the USB cable (18) to the USB port on the power adapter (19).
5. Plug the power adapter (19) into a 100-240 V socket.
6. The LED indicator (17) will display battery charge status.
7. Wait until the battery is fully charged (LED indication (17): ).
8. Two batteries* can be charged at the same time.

(17) LED Indicator***	Battery Charge Status
	Battery level is from 0% to 10%. Charger is not connected to a power supply.
	Battery level is from 0% to 10%. Charger is connected to a power supply.
	Battery level is from 10% to 20%.
	Battery level is from 20% to 60%.
	Battery level is from 60% to 95%.
	Battery completely charged. Charging will automatically stop. The battery can be disconnected from the charger.
	Defective battery. Do not use the battery.

* Purchased separately.

** Included in the delivery package.

*** LED indicator displays the current battery charge status for 30 seconds when the APS charger is not plugged in. When the power is being supplied, the indicator is constantly displaying the current battery charge status, the LEDs are additionally flickering to display the battery charging process.