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Case design - without protruding positive contact.
Be careful that there is no protruding “plus” - for assembly into bags. Not all flashlights and other devices with quick-detachable batteries are suitable for installation - some only require a protruding “plus”!
Recommended for power tools and devices with high current consumption.
Without protection board.
Optimal storage conditions for Li-ion batteries are achieved at 40 percent charge of the battery capacity and a temperature of 0...10°C.
Charge lithium-ion batteries only with specialized chargers.
Characteristics:
element type: LiNiMnCo
manufacturer: Samsung, China
size: 21700
nominal capacity: 4000 mAh
internal resistance: 11mOm±5 (AC Impedance 1 kHz)
built-in protection controller: no
nominal voltage: 3.7V
minimum voltage: 2.5V
maximum voltage: 4.2V
standard charging current: 2A
maximum charging current: 6 A
maximum continuous discharge current - 35A,
maximum short-term discharge current - 45A (heating up to 80 °C)
element diameter: 21 mm
element length: 70 mm
weight: 68 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.
To carry out technical calculations and obtain the exact parameters of the goods, use the datasheets from the manufacturer's website.
If you need additional information, or you found an error in the description, or have other questions about this product, then our manager will help you: Ярослав
slav.voron@gmail.com
The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
