Velleman VMA321 1 A Lithium Battery Charging Board

Features

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)