10pcs 5V 2.1A Output UPS Power DIY Charger Board Step Up DC to DC Converter Module for 3.7V 18650 Lithium Battery

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Please according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.

Specifications:

Charge voltage :  DC 5V (  4.6V-6.5V  )

Charging current : 0-1A 

Full charge voltage : 4.2V±2%.

Led indicator : 'OK' LED is fully charged OR battery failure  indicator; 'CR' LED is charge  indicator.  

Discharge current : 0-3.5A;

Discharge quiescent current : 200uA

Discharge conversion efficiency : 78%-91%  

Output current    : 0-2.1A(5V);  

Operating ambient temperature :  -40??to +85??/span>

Storage temperature :  -65??to +125??nbsp;

Size: 28 x 18 x 6.3mm

Weight : 2.7g

Note:

1. This module without lithium battery over-discharge protection.

2. In order to achieve more than 5W, it is recommended to use two or more batteries in parallel.

Applications:

Battery powered equipment

Lithium Battery 18650 14500

 phone diy

Portable charger diy

UPS power supply equipment diy

Solar charging

MP3/MP4 player

Audio equipment

Video equipment

Portable Devices

Bluetooth Wifi Applications

  

Package Included:

10 x 5V 2.1A Output UPS  Power DIY Charger Board Step Up Module