1 A LITHIUM BATTERY CHARGING BOARD (2 pcs)
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User manual
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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: -10°C to +80°C
- weight: 10 g
- dimensions : 25 x 19 x 10 mm
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