For several years I have been using various Nitecore batteries, mainly 18650 ones charged via USB, and I've never been disappointed. However, this product, thanks to its two-sided USB port, can also be used as a power bank, which is a great option for me and was the main reason for purchase, in addition to the quality of Nitecore products. I recommend the product and the store Militaria.pl.
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21700 lithium-ion cell delivering a voltage of 3.6 V and a capacity of 5000 mAh.
Model NL2150RX stands out with the functionality to serve as an extra power supply, featuring a bidirectional USB-C port that enables its use as a power bank. Charging is possible either in the traditional way with a charger or directly via the USB-C port.
An integrated protection circuit provides robust defense against overvoltage, deep discharge, and short circuit, guaranteeing reliable and safe performance.
The battery incorporates an LED indicator to display current operational status:
- green steady – indicates battery discharge status (such as when charging a smartphone),
- red flashing – denotes battery charging status,
- red steady – indicates the battery is fully charged.
Technical data
Model: NL2150RX
Type: 21700
Capacity: 5000 mAh
Voltage: 3.6 V
USB-C input: 5 V~2.5 A
USB-C output: 5 V~2 A
Length: 78.8 mm
Diameter: 21.7 mm
Weight: 74.5 g
Manufacturer: Nitecore, PRC
Militaria.pl is a premium dealer of Nitecore.
Nitecore is one of the world's leading companies in the design and creation of advanced lighting - from flashlights and headlamps to chargers and EDC and outdoor accessories. Solutions from this brand reach more than 100 countries and are used, among others, by uniformed services, the military, hunters, sailors, cavers, divers, and survival enthusiasts. As one of the industry's pioneers, Nitecore introduced intelligent power management systems, advanced cooling systems, and electronic controls that provide convenient operation and long service life. The product range is constantly developing, introducing new lighting series and models with impressive specifications, resistant to harsh weather and mechanical conditions.
| Rechargeable battery/battery type | Li-Ion |
|---|---|
| Capacity | 5000 mAh |
| Weight | 74,5 g |
| Dimensions | 78,8 x 21,7 mm |
| Accumulator/battery type | 21700 |
| EAN | 6952506495535 |
| Manufacturer code | NT-NL2150RX |
| Brand | Nitecore |
| EAN |
Reviews with photos
Review summary
Number of reviews: 3
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Super battery with built-in USB port, so you don't need an external charger. Plus, the power bank option is very good. The price is great for its capabilities.
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The battery is okay. The build quality is appropriate, but you can see some flaws. It's a pity that there is no clear information on the website that this 21700 battery does not meet the standards of, for example, the Olight 21700 battery. Probably because of the added USB module, this battery is a few (~5) millimeters longer.
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