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Nitecore launches 18650 battery with 4,000mAh and built-in USB-C port
Nitecore has offered 18650 batteries with a 14.4Wh capacity, rated at 4,000mAh, for some time. The new NL1840R adds an integrated USB Type-C port, although using it is optional because the battery is also compatible with suitable external chargers.
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