The ER310 is the crank radio that keeps showing up in tested roundups, and the reason is boring competence. A replaceable 2600 mAh lithium battery gives up to 32 hours of listening, six AA cells cover the rest, and solar plus the hand crank keep it alive when both run dry. AM, FM and NOAA weather scan with alert, a USB output for a phone, a two mode flashlight, an SOS Morse beacon and an ultrasonic dog whistle that has actually helped people find pets after storms.
Good choice for a go bag, a cabin or a boat, and simple enough that a teenager can work it in the dark. It has no SAME programming, so alerts arrive for the whole broadcast area. Cranking produces useful radio time but charges a phone very slowly, so treat the USB port as a last resort rather than a plan.
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