Solar Charger 20000mAh, Portable Phone Charger Mobile Power Bank, Camping Waterproof External Backup Battery Power Pack Dual USB with 2 LED Flashlight for Cell Phone and Other Electronic Devices

Friendly Reminder:

1. Please DO NOT make a charge of the device while charging the power bank itself to avoid a shortened lifespan or damage to the product.

2. Please DO NOT put it in a parked car or other high-temperature environments, the best operating temperature for solar phone charger is -14°F—140°F.

3. In order to fully activate the battery, please charge it via outlet for 10 hours at least at the first 2-3 uses. It means that it the best to use 2-3 times before using it for travel. And before storing the solar power bank, make sure it is fully charged.

4. Keep the USB port and USB cable dry to avoid physical short circuits inside the solar power charger supply and quit working. If the power bank appears swell, smoke or other unusual phenomena, please quit using solar battery.

5. The energy transformation from solar to electricity is rather slow and the solar charging speed is subject to sunlight intensity and panel conversion rate. In daily life, we highly recommend charge it via wall outlet. The solar charging is a charging way for emergency use, please don't use it as the main source of charge. Please fully charge it by USB cable before traveling or hiking.