Lithium Battery Charging Module – Micro Type B

Description

The TP4056 Micro USB-B Lithium Battery Charging Module is a compact 5V to 4.2V charger ideal for single-cell 3.7V Li-ion or LiPo batteries (e.g., 18650s). Providing an adjustable 1A charge current, it is widely used in DIY electronics, power banks, and IoT projects. [1, 2, 3, 4, 5]

Key Features

• Built-in Protection: Prevents overcharging, deep draining (under \(2.4V\)), and short circuits.
• Status Indicators: Onboard LEDs (Red for charging, Green/Blue for charged).
• Dual Input: Features a Micro Type-B USB port and convenient solder pads.
• Automatic Cut-off: Halts current when the battery reaches 4.2V.