1A charging module for lithium battery

Small module for charging single-cell lithium-ion batteries

SKU 7300-1ALITIOBATTEAN 8219671061322Format: 14500, 17335, 18500, 18650, 1S, CylindricalOutput voltage: 3.7 Vdc

Description

Small module for charging single-cell lithium-ion batteries. Charging method: linear, charging current: 1 A (adjustable by adding an external resistor), power supply: 5 V (via mini USB), 2 LEDs indicating battery charge status (red LED on: charging – blue LED on: charge complete), charge voltage fixed at 4.2 V, dimensions (mm): 22.2×17.1, weight: 3 grams. By default the module is configured to supply 1 A of current.

To change the charging current, add an external resistor referring to the following table

R PROG (kohm) I BAT (mA)
30 50
20 70
10 130
5 250
4 300
3 400
2 580
1.66 690
1.5 780
1.33 900
1.2 1000

About us

Open-Electronics.org is the brainchild of a world leader in hobby electronics Futura Group srl. Open-Electronics.org is devoted to support development, hacking and playing with electronics: we share exciting open projects and create amazing products!

Open-Electronics.org is not just a container of ideas: it is also a web site lead by a team of engineers and geeks who will take part in the discussions and give support.

Our mission is to become a reference Open Source hacking site with ideas and feedback aimed to enrich the community.