Pressing button five times in two seconds will turned on/off the battery
Capacity of outputting voltage is 3.3 to 4.8V
Display three colors from button to indicate the battery usage level
Button will flashes fifteen times in mixed color to indicate that there is no power at all left in battery
After-sale services:
We supply product warranty, when quantities of defective rate is higher than 2%, defective products can be returned to our factory, and the shipping cost will be paid by us
For individual unqualified products, we will replace them to you in your next order
Payment terms:
When product quantity is less than 2k, 100% payment need to be made in advance after the order is confirmed
When product quantity is more than 2k, 30% as deposit, the balance payment before the shipment
Payment ways:
T/T, Western Union
When payment is less than $1000, we accept PayPal payment