The NL2150RX 21700 Rechargeable Lithium-Ion Battery with USB-C Charging Port from Nitecore maintains its output for long periods of time, and has its own USB-C charging port for quick and easy charging without the need for a separate charger. With a USB-C cable, the battery can be used as a power bank for a smartphone or other small electronic devices. Safety features include a tough plastic circuit board protector, a durable metallic coating to protect against abrasion, and a nickel-plated stainless steel protector at each end to ensure good electrical conductivity and oxidation resistance. The battery can also be recharged with the Nitecore UMS4, UMS2, Ci4, and Ci2 chargers.
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