NiteCore 21700 NL2145 - 4500mAh, Li-Ion 3.7V - 3.6V - PCB protected

Item number: 100825

Hersteller
: Nitecore


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Safe and robust 21700 cell for demanding users. The 21700 size has already become the standard battery size, as is the case with many manufacturers and also with Nitecore. Due to 10% larger volume compared to the 18650 cell, the engineers have been able to extract 30% more energy than from a 18650 cell.

NL2145 4500mAh 3.6V - 3.7V Li-Ion battery with PCB/BMS.

The 21700 battery features an innovative anode design with high temperature resistance, an integrated PTC to prevent high current surges, a pressure relief valve that activates when the temperature rises rapidly, and microporous membranes that protect the sensitive internal components. Built-in pressure relief valve, high temperature resistant design and built-in safety measures (BMS) protect the Nitecore batteries from overcharging, over-discharging as well as short circuits. 

The Rock Solid and Safe 21700 Battery by Nitecore

The NL2140 is made of high quality materials such as nickel-plated stainless steel connectors for impact resistance, good conductivity and oxidation resistance. The NL2140 is safe and reliable, insured worldwide and has multiple certifications for electronic use.

 

Capacity 4500mAh 16.2Wh
Rated voltage 3.6V - 3.7V
Charging end voltage 4,2V
max. charging current 0.25C 2A
max. discharge current  5A (5000mA)
Discharge voltage 2,75V
Protection present (integrated)
Positive terminal raised (button top)
Diameter 21.70 mm ± 0.30 mm
Height 75.50 mm ± 0.30 mm
Weight 73 g ± 1 g
Charging method CC-CV
Certification CE, RoHs
Manufacturer link Nitecore

Safety instructions:

Please note that lithium cells may only be used by competent persons.
Incorrect handling or short-circuiting may result in fire or explosion.

Further properties:

Lithium-ion batteries are thermally stable and are not subject to memory effect.
They work on the basis of lithium and are characterised by a high energy density.

Notes:

A special charger is required for charging lithium ion batteries, which charges the batteries according to a special charging procedure. (CCCV = constant current, constant voltage.) The batteries must not be charged above a voltage of 4.2 volts, otherwise there is a risk of fire and explosion. It is advantageous to charge the batteries only up to approx. 4.1 volts, as this significantly increases the service life or the number of charging cycles (possibly up to double). Only lithium ion chargers may be used for charging. However, the cheap chargers sometimes have the disadvantage that they do not switch off safely at the end of the charging process, but continue to charge the batteries with a small charging current, which can be dangerous.

Furthermore, rechargeable batteries and batteries do not belong in household waste! Please dispose of them as prescribed by law at the municipal collection points or in the [usually green] containers provided by retailers.

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Versandinformationen

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Für die Länder Schweiz und Liechtenstein fallen lediglich die Nettopreise der jeweiligen Artikel an, ohne deutsche MwSt. Die Verzollungskosten werden separat berechnet. Bei Einfuhr müssen die Steuern des jeweiligen Landes beglichen werden.

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