The Extended Battery Cap is designed to power Bering Optics thermal scopes and Clip-Ons with larger 16650-type rechargeable batteries. The batteries we sell feature advanced built-in circuit protection. A small electronic circuit integrated into the cell packaging protects the battery against common dangers, such as overcharge, overdischarge, short circuit/overcurrent, and extreme temperatures. Do not be tempted by cheaper unprotected batteries, the problems of which can cause damage to your thermal scope, not covered by warranty, and expensive to repair.
The high-capacity 2500 mAh 16650 batteries we offer, provide extended runtime for your thermal scope. In contrast, many lower-cost 16650 batteries have reduced capacities, between 1800 mAh and 2100 mAh, which results in proportionally shorter operating times.
- Compatible with all Hogster models except for Hogster Boar, Super Hogster A3, and Super Yoter-R lines of thermal scopes and thermal Clip-Ons. Not compatible with Hogster Boar, Super Hogster LRF, and Super Yoter LRF.
- Significantly higher capacity of 16650 batteries allows longer runtime compared to the runtime of the devices powered by CR123 batteries, which are standardly used in Bering Optics thermal scopes and Clip-On units.
- The table below shows the average runtime increase for different thermal scopes when powered by two 16650 batteries installed with the Extended Battery Cap.
- Even longer runtime can be achieved by combining internal batteries with an External Rechargeable Picatinny-Mountable Power Kit. Click HERE for more details.
Installation of 3.7V Rechargeable 16650 Batteries
When using 3.7V rechargeable 16650 batteries, the Extended Battery Cap (BE80008) is required.
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Open the original Battery Compartment Lid (1) by turning the Battery Compartment Lid Knob (2) counterclockwise. Directional open–close arrows are marked on the Knob (2). The Battery Compartment Lid (1) will release and pop out.
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Insert two 16650 batteries, making sure to follow the polarity diagrams located inside the battery compartment.
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Place the Extended Battery Cap (BE80008) into the battery compartment by aligning it properly and pressing down firmly until the two sliding locks click into place.
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Slide the Battery Compartment Lid Knob (2) into the bottom groove of the Extended Battery Cap (BE80008), keeping the Lid in a horizontal position as shown below.
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