1A charging module for lithium battery
SKU 7300-1ALITIOBATTEAN 8219671061322Format: 14500, 17335, 18500, 18650, 1S, CylindricalOutput voltage: 3.7 VdcBattery chargers
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 |









