Solar Charger Power Bank for Laptop 3.7V 20000mAh Output voltage:5V,16V~24V(max) CE, FCC, ROHS Certification New Solar Charger Power Supply for Laptop Features: Lithium ion polymer Battery capacity: 3.7V 20000 mAhOutput voltage:5V,16V~24V(max)Autput current levels: Can choose 5V(USB 500ma), 16V(4A), 19V(4A), 22V(4A) 24V(4A)Output current: 3000 ma (max)Charge voltage: 100~240V AC/DCCharging time:< ...