Some sharpeners come with multiple power sources, so you can use batteries in addition to plugging them into an outlet. You’ll need to look at what kind of power source the sharpener has, to ensure it works for your needs.If this is the case, be sure to look for a pencil sharpener that doesn’t leave any graphite traces. If you’re an artist, this can lead to smudges on your work. Some electric pencil sharpeners can leave graphite streaks behind on the wood of the pencil.A clear bin lets you see when it’s time to empty the receptacle. This way, you don’t need to stop sharpening after every few pencils to empty out the tray. For those that sharpen multiple pencils at the same time, having a large shaving receptacle is key.This way, you can ensure fingers are always kept safe and away from moving blades. If the shavings tray is opened during sharpening, the blade stops automatically. This ensures that the blade stops by itself once the pencil has been sharpened. Look for an electric pencil sharpener that has an auto-stop blade operation.
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