This PCB also support charging the battery, simply supply a 5V Micro-USB source to the charging input and it will charge the connected battery to 4.2V.
Great for mobile power source using Lithium ion batteries (unprotected is also ok).
Connect multiple batteries to the battery input to increase the capacity power capacity.
With iphone recognition circuit, can charge iPhone.
Charging voltage input: 5V 1A
Step up voltage output: 5V 1A max
Transient current: 180uA
Red LED: Charging
Green LED: Charging completed
Blue LED: There is a load in the USB
Size: 50 x 20 x 9 mm
1 x USB DC 5V power supply
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.