Nitecore 18650 Extension Battery Case

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SKU Nitecore 18650 Extension Battery Case Input 5V⎓2A Output 5V⎓2A Battery Option 18650 Li-ion Battery (Except Flat Top Battery) *This product does NOT include battery Dimensions 1 06mm x 40mm x 35mm (4.17" x 1.57" x 1.38") Weight 65g Highlights Always Ready to Use The 18650 extension battery case connects directly to the headlamp, featuring a replaceable 18650 Li-ion battery for a continuous power supply Achieve the impossible Compatible with the NU43 and a high-capacity 18650 battery, it empowers users to tackle a 100-km trail running while offering sufficient power for various situations Highly Stable Output When the battery case is connected to the NU40, NU43, NU50 and other compatible models, the headlamp will seamlessly activate the Perfrormance Mode. This mode is purposefully designed to regulate the rate of brightness reduction in the headlamp, ensuring a more stable output over time. Maximum the Runtime When the headlamp is on, it is first powered by the 18650 extension battery case. Simultaneously, the battery case charges the headlamp's built-in battery, allowing it to function at the fullest potential Well-balanced design Provides an optimal weight distribution for a comfortable and secure wearing experience. USB-C Input & Output The 18650 extension battery case can function as a battery charger or a versatile power bank, ideal for charging various devices such as headlamps, flashlights, smartphones, sport watches, and more Unparalleled compatibility Compatible with conventional 18650 Li-ion battery Red flashing Four power indicators flash in red to effectively guarantee the safety of the wearer at night Power Level Display Short press the power button, then the power indicators will illuminate to indicate the remaining battery power Show more