USB powered chargers
prices on 14 models— the ability to power the charger from a standard USB port. This gives quite extensive connectivity options: most modern computers and laptops are equipped with similar ports, they are also found in other electronics, and even USB adapters are available for sockets (both conventional and car). At the same time, many gadgets with USB (for example, laptops) are self-powered, which provides even more convenience. On the other hand, in some situations (an outdated version of USB, connection via a hub), the power supply on the connector may not be enough for efficient operation of the charger.
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by ratinglowest to highest pricehighest to lowest priceby reviewsby date of additionCharging slots (шт)Independent charge channels (шт)Min. charge current (mA)Max. charge current (mA)Charge current (all channels) (mA)Number of settings (pcs)Min. discharge current (mA)Max. discharge current (mA)Weight (g)