Powerbank solare da 20000 mAh, caricabatterie di emergenza impermeabile, batteria esterna, powerbank per Xiaomi, MI, iPhone, Samsung, LED

Specification: Battery type: Li-polymer battery Capacity: 10000-20000mAh Product model: syk-z0101 Input: DC 5.0V 2.0A Output: DC 5.0V 2.0A Charging efficiency: ≥ 90% Working frequency: 110-205k Product size: 139 * 75 * 20MM Color: Various colors are shipped randomlyIf you need a specific color, please note before placing an order, thank you for your support and cooperation Working Temperature: Charging: 0℃~45℃ Discharge: -10℃~60℃ Storage temperature: -20 to 60° C strong compatibility ir charging technology is usd to support the charging of smart phones and tablets such as iphone, ipad, ipod, samsung, htc, motorola, xiaomi, nokia, and other digital products compatible with usb dc-5v input Safe and reliable 1.Multiple protection systems to avoid threats such as overcharging, overdischarge, overvoltage, overcurrent, short circuit, and overpower 2.Cooling energy-saving technology can effectively protect the safety of battery cells 3. Has passed authoritative certifications such as FCC, CE, UN38.3, Qi, etc 4.PCBA wireless solution Main Features: Dual USB ports, you can charge phones, earbuds, or other small electronic devices simultaneously Material: Solar panel, ABS plastic cover, silicone frame The LED light works perfectly in darkness, especially for emergencies SOS distress signal to help other people find you Compass, help to find direction Note: Even under perfect laboratory conditions, the energy conversion efficiency of solar energy to electricity is very lowWhen used outdoors, it is also affected by weather conditions, location, or other factorsErgo, it is best to choose direct charging for solar panels firstStill recommend that iu initially charge with a val charger to fully activate the power battery Packing included: 1 x Power Bank