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Case design - without protruding positive contact.
Be careful that there is no protruding “plus” - for assembly into packages. Not suitable for installation in all flashlights and other devices with quick-detachable batteries - some only require a protruding “plus”!
Recommended for high-power flashlights and other devices with high current consumption.
No protection board.
Optimal storage conditions for Li-ion batteries are achieved at a 40% charge of the battery capacity and a temperature of 0...10°C.
Charge lithium-ion batteries only with specialized chargers.
Li-ion 18650 batteries are the most popular battery format for flashlights at present. Combines very high capacity and low self-discharge. Disadvantage - they shrink quickly at low temperatures (from -10°C degrees).
Characteristics:
element type: Li-ion
manufacturer: China
standard size: 18650
nominal capacity: 3500 mAh
built-in security controller: no
rated voltage: 3.7V
minimum voltage: 2.5V
maximum voltage: 4.2V
rated discharge current: 10 A
maximum discharge current (short-term): up to 20 A
element diameter: 18.5 mm
element length: 65 mm
weight: 47 g
number of charge-discharge cycles: 1000
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The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
