This Mobile Power Bank DIY designed based on the 18650 Lithium Battery Digital Dual USB mobile power module. This dual USB power module provides a USB output of 5V 2.1A / 5V 1A(Dual USB interface) with a 18650 Circuit board shell. Dual USB Mobile Power Bank Battery Charger requires an input of 5V constant voltage power supply can do charge input power, the most matching charger for 5V 1A above.
This power bank module motherboard features protection for Charging, overcharge protection, over-discharge protection, overcurrent protection. This module is capable of automatically stop charging when the output device charged fully. This is performed to prevent mobile phones from overcharge and to make Output voltage and current stable. As a result, will not harm user devices. The intelligent digital display of Screen size 27mm x 17mm indicates Charging percentage. Moreover, the module consists of an on-board LED which indicates the charging status when USB is charging. This module offers a wide range of applications makes it a perfect tool for Arduino, DIY Kits, Power bank, etc. Therefore these are highly reliable modules and offer better performance.
Specification:-
Micro USB input: 5V 1A
Charging voltage input: 5V-6V 1A.
Step-up voltage output: 5V 1A/2.1A (Dual output, Total 2.5A).
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