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Description
The TP4056 based VMA321 module is a complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries.
Specifications
- input voltage: 4.5 to 5.5 VDC (by on-board USB connector)
- charging current: 1 A adjustable
- charge accuracy: 1.5 %
- Full Charge Voltage: 4.2 V
- Charge indicator: green = fully charged, red = charging
- working temperature: 14 °F to +176°F (-10°C to +80°C)
- weight: 0.35 oz. (10 g)
- dimensions : 0.98" x 0.75" x 0.39" (25 x 19 x 10 mm)