3 Review(s)

nThis system comprises a lithium 4000mAh Battery, USB output 5V =1A, Adapter input 5V, average usage time of 8 to 10 hours. 5 to 6 years life of battery. Power bank plus emergency light function. it also has a built-in emergency 28W light power behind the solar panel. it comes with two 3W bulbs 2pcs Bulb, the usage time for a single bulb is 20hours while 2 bulbs lasts 10 hours, the emergency light last 7-8 hours. 4000Mah battery can be charged by either the solar panel or the power adapter, the red light indicates the product is charging and the green light indicates the product is fully charged. it takes 8 hours to charge fully. USB it has a 5V USB Output port for power your other devices.