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20W Hand Crank Generator, Portable Emergency USB Charger for Camping Metal shell, multi-voltage output, no fuel required, compact backup power for outages, hiking, field work and survival kits CREATE BACKUP POWER ANYWHERE: Hand-crank design lets you generate power without fuel, outlets or stored battery charge. Keep it in a camping bag, car kit or home emergency shelf to help power compatible low-draw devices when phones, radios or lights need a quick boost. GET 20W MAX OUTPUT WITH VOLTAGE OPTIONS: Permanent magnet generator supports 3V, 5V, 6V, 9V, 12V and 15V regulated output settings plus approx. 28V direct output, giving you...